Re: [Elecraft] K3 Display Won't Shut Off

[Jack Brindle via Elecraft]

VGA cables are incompatible with the KPA500 and KPA1500. You will need a 
straight-through cable. BUT, you also need some pins removed. The power pin of 
the K3 is not compatible with the power pin of the KPA500 or KPA1500, and will 
result in the problems you have seen.
The cable is described in the KPA500 manual, rev E1 on page 45. I’m not sure 
where it is in the KPA1500 manual, but I would be surprised if we didn’t 
include the same table there.

73,
Jack, W6FB
Elecraft Engineering

> On Sep 17, 2021, at 7:47 AM, Jim McCook  wrote:
> 
> Now I see what's going on.  Originally I used the Elecraft cable between the 
> K3 ACC and the KPA1500 and everything was OK.  The K3 could be powered down 
> normally.  When I moved that K3 to a spare position, that cable wasn't long 
> enough, so I ordered an extension VGA cable.  This is when the problem 
> occurred.  Apparently the extension is the problem withh pin 8. Will see what 
> Elecraft Support says.  73, Jim W6YA
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Re: [Elecraft] K3 Display Won't Shut Off

[Jim McCook]

Now I see what's going on.  Originally I used the Elecraft cable between 
the K3 ACC and the KPA1500 and everything was OK.  The K3 could be 
powered down normally.  When I moved that K3 to a spare position, that 
cable wasn't long enough, so I ordered an extension VGA cable.  This is 
when the problem occurred.  Apparently the extension is the problem 
withh pin 8. Will see what Elecraft Support says.  73, Jim W6YA

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Re: [Elecraft] K3 Display Won't Shut Off

[Ray]

Yes, Alarm and Remote Operations Settings.
Ray WA6VAB  K3

Windows  0


From: Drew AF2Z
Sent: Thursday, September 16, 2021 5:13 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Display Won't Shut Off

I've had the same effect by setting the K3's Alarm to ON then turning 
off the p/s. When the p/s is turned on again (and maybe the K3 Power 
button pressed; I forget the exact sequence now) the LCD backlight comes 
on. So, you might want to check the Alarm setting.

73,
Drew
AF2Z


On 09/16/21 18:30, Jim McCook wrote:
> When I plug the ACC connector cable for the KPA1500 into my newly 
> acquired spare K3, the POWER button doesn't shut off the backlight in 
> the display or the P3 that's connected to it.  As soon as I remove that 
> connector or shut off the PS, it powers down normally.
> 
> This doesn't happen with the other K3 using the same cable.  All is normal.
> 
> Looking in the archives I saw something about a D10 removal, but 
> couldn't find the specific info as to where it is and what the access 
> is.  It was described as an early mod, but this K3 is a later version 
> #6695.  Any specific ideas where the problem is and how to fix it?
> 
> 73, Jim W6YA
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Re: [Elecraft] K3 Display Won't Shut Off

[Drew AF2Z]

I've had the same effect by setting the K3's Alarm to ON then turning 
off the p/s. When the p/s is turned on again (and maybe the K3 Power 
button pressed; I forget the exact sequence now) the LCD backlight comes 
on. So, you might want to check the Alarm setting.


73,
Drew
AF2Z


On 09/16/21 18:30, Jim McCook wrote:
When I plug the ACC connector cable for the KPA1500 into my newly 
acquired spare K3, the POWER button doesn't shut off the backlight in 
the display or the P3 that's connected to it.  As soon as I remove that 
connector or shut off the PS, it powers down normally.


This doesn't happen with the other K3 using the same cable.  All is normal.

Looking in the archives I saw something about a D10 removal, but 
couldn't find the specific info as to where it is and what the access 
is.  It was described as an early mod, but this K3 is a later version 
#6695.  Any specific ideas where the problem is and how to fix it?


73, Jim W6YA
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Re: [Elecraft] K3 transmitter power woes

[Keith Trinity WE6R]

Hi Chet;
You should be able to run the TX gain cals with no errors, otherwise 
something is wrong.
NOTE; After a successful Gain-Cal, then never, ever, TX at exactly 5 or 
50watts (or 1.0MW) as that can cause an inadvertent TX gain cal and mess 
it up.

To me, it would appear the LPA is weak.
Check your Watt-Meter Cal, or make sure your WM LP is around 65-100 and 
WM HP is 25-55 typically.
Then if you can get the gain cals to run, send me the numbers, IE click 
Display TX Gain Summary and cut and paste.


*However, I just noticed you mentioned the MW gain cal has issues, so it 
could be before the LPA/KPA and would be the Band Pass Filter adjustable 
caps.


Also from my notes;
Slow ramp up of power, mainly on the upper bands,  can be D1 E560040 
burnt (or bad solder joint) and/or bad Q6 E580026 on LPA. (power ramps 
up starting very low). If Q6 shorts, it can take out Q3 E580030. 
**REPLACE D1 *and* Q6 if the solder joint is bad!!!

Fix; Replace ALL THREE at same time! Q3, Q6 & D1 on LPA.

Note; This can also just be normal operation of Firm Ware overshoot 
protection. (power goes quickly to near (~80%) desired power, then ramps 
up the final percentage in seconds. This happens if you; 1. Change 
desired power, 2. Change bands, 3. Power cycle radio.
So, set desired power, then long press XMIT to do a TUNE (with TUN PWR 
at nor), or Key up on FM (if you have a FM filter). The go back to your 
desired mode and it should reach good power quickly.

Keith WE6R Elecraft K3/K4 Tech.


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Re: [Elecraft] K3 transmitter power woes

[jerry]

On 2021-09-13 12:56, chetsubacco...@snet.net wrote:

Any other suggestions before I bit the bullet and prepare to send it to
Elecraft? Thanks for any ideas.

Generally, when miscellaneous weird stuff happens to a piece of complex 
equipment - stuff that seems to have no relationship the one to the 
other- my first instinct
is to check the power supplies.  Not just the main 13.8V power, but also 
any lower

( or higher! ) transformed voltages.

  Here's an example - I have a Fluke 3000 signal generator that mostly 
worksexcept when it doesn't.  It has a pair of 18V power supplies - 
plus & minus.  The RF guts are
in a multitude of little shield cans.  In each can - well, in most of 
them - are a
couple of 10uF tantalum caps, one on the positive leg, one on the 
negative leg.  Once in a while, one of them will short out, disabling 
that particular power supply.  When one of those 18V supplies goes out, 
pretty much everything dies.


  Power supplies are like octopi - with tentacles going into every part 
of the radio.
No guarantees of course - but when seemingly unrelated stuff starts 
failing, that's where I look first.


  - Jerry KF6VB


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Re: [Elecraft] K3 transmitter power woes

[Don Wilhelm]

Chet,

It sounds like you do not have sufficient audio drive.

In DATA A mode, how many ALC bars do you obtain?  You must have 4 bars 
solid with the 5th one flashing.
Adjust the audio levels from the computer to achieve that - I assume you 
are using LINE in.


73,
Don W3FPR

On 9/13/2021 3:56 PM, chetsubacco...@snet.net wrote:

My K3 transmitter has been struggling for months to behave. I've heard the
service dept turnaround in CA is very long so I might not see it the rest of
the year if I sent it in and wanted to avoid that if possible. I've followed
advice suggested here with no lasting success.

Especially on 6M the power sometimes takes a long time deciding to reach the
setpoint. Sometimes it will be OK, but a few hours later after just sitting
there, it again won't, and drops to a low output level.

I've run the transmitter gain calibration routine again and again and it
fails. Sometimes I get an ERRTXG on 160, 80, 40M. Sometimes the 5W
calibration shows errtxg as it runs but the utility says the calibration had
succeeded.

I've checked that the bandpass filters are OK by using an antenna analyzer
with an attenuator to check receiver sensitivity- all bands seem pretty
close.

I've rechecked if the LPA FET's are ok (I changed two last year), and set
their bias current levels again and all seems well with them.

I've upped the supply voltage- that seems to work for a day or two but then
same old problems come back

I've replaced the fwd and rev power meter Schottky diodes, no fix.

Sometimes when the transmitter fails to reach the set power level, I can
tweak the pwr knob and it will reach the changed level, but sometimes not
and it falls back to a lower value. On 6M, while in "tune" if the power does
not reach the setpoint (e.g. 30W) and I turn the pwr knob down below 12
where the 100w amp is bypassed and then turn it back up to reengage the 100w
amp, the power will sometimes reach and stay at the setpoint (30W). But that
condition does not stay Ok too long.

The transverter output also exhibits similar power problems

I've reloaded the firmware. The utility initially reported  "checksum
reconciliation value" and I have no idea what that means.

And finally, this weekend, when I set the  receive mode to data-a, the audio
output had shifted to a higher freq spectrum width (e.g. 500-3300) on the
WSJT spectrum display with clearly more hiss in the speaker. Cycling the
xtal filters, normalling the shifts and widths had no effect. Changed the
mode to USB and the audio spectrum was normal, change back to data-a and it
was shifted. So I operated WSJT-X in USB. Hours later, data-a was back to
normal. First time I've observed that. Today it is AOK. GOK what happened
Saturday.

Any other suggestions before I bit the bullet and prepare to send it to
Elecraft? Thanks for any ideas.

Chet, N8RA

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Re: [Elecraft] K3 loss of power (KPA3 100W)

[kc8wh.mh]

From the repair reportProblems found: poor solder on R5 on KP3ARepair 
performed: Replaced R5 and adjusted for better solder on KPA3AK3 meets or 
exceeds all factory specifications.73Mike KC8WHSent from my Verizon, Samsung 
Galaxy smartphone
 Original message From: Linda M  Date: 
9/11/21  12:42 PM  (GMT-05:00) To: "kc8wh.mh" , David 
Sumner , Lee  Cc: Elecraft 
Reflector - post  Subject: RE: [Elecraft] K3 loss of 
power (KPA3 100W) Please tell Where the Bad solder joint was.   Thanks   Ray 
WA6VAB  K3   From: kc8wh.mhSent: Saturday, September 11, 2021 7:49 AMTo: David 
Sumner; LeeCc: Elecraft Reflector - postSubject: Re: [Elecraft] K3 loss of 
power (KPA3 100W) My K3S lost both power out and receive when set to 13 watts 
or more. Everything worked fine at 12 watts or below.It turned out to be a bad 
solder joint.Good luckMike. KC8WHSent from my Verizon, Samsung Galaxy 
smartphone Original message From: David Sumner 
 Date: 9/11/21  9:15 AM  (GMT-05:00) To: Lee 
 Cc: Elecraft Reflector - post  
Subject: Re: [Elecraft] K3 loss of power (KPA3 100W) Lee, it may not be that 
bad. Check Config to make sure KPA3 shows “PA nor” — there are other causes of 
your symptom as well that others may be able to comment on. 73, Dave K1ZZSent 
from my iPhone> On Sep 11, 2021, at 8:35 AM, Lee  wrote:> > 
If I had to guess, I would say the finals are blown in my KPA3.> > If I 
advance the power knob, output is normal up to 12 watts.  As soon as> the power 
is advanced to 13 watts, the power drops to near 0, perhaps 1/4> watt.> > Any 
help on troubleshooting?> > Assuming the finals are blown, is it possible to 
just return the KPA3 to> Elecraft for repair, rather than the K3 itself?> > 
Thanks for any help!  Lee> 
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Re: [Elecraft] K3 loss of power (KPA3 100W)

[Linda M]

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Re: [Elecraft] K3 loss of power (KPA3 100W)

[kc8wh.mh]

My K3S lost both power out and receive when set to 13 watts or more. Everything 
worked fine at 12 watts or below.It turned out to be a bad solder joint.Good 
luckMike. KC8WHSent from my Verizon, Samsung Galaxy smartphone
 Original message From: David Sumner 
 Date: 9/11/21  9:15 AM  (GMT-05:00) To: Lee 
 Cc: Elecraft Reflector - post  
Subject: Re: [Elecraft] K3 loss of power (KPA3 100W) Lee, it may not be that 
bad. Check Config to make sure KPA3 shows “PA nor” — there are other causes of 
your symptom as well that others may be able to comment on. 73, Dave K1ZZSent 
from my iPhone> On Sep 11, 2021, at 8:35 AM, Lee  wrote:> > 
If I had to guess, I would say the finals are blown in my KPA3.> > If I 
advance the power knob, output is normal up to 12 watts.  As soon as> the power 
is advanced to 13 watts, the power drops to near 0, perhaps 1/4> watt.> > Any 
help on troubleshooting?> > Assuming the finals are blown, is it possible to 
just return the KPA3 to> Elecraft for repair, rather than the K3 itself?> > 
Thanks for any help!  Lee> 
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Re: [Elecraft] K3 loss of power (KPA3 100W)

[Mike Harris via Elecraft]

KPA3 circuit breaker?

Regards,

Mike VP8NO

On 11/09/2021 10:13, David Sumner wrote:

Lee, it may not be that bad. Check Config to make sure KPA3 shows “PA nor” — 
there are other causes of your symptom as well that others may be able to 
comment on. 73, Dave K1ZZ

Sent from my iPhone


On Sep 11, 2021, at 8:35 AM, Lee  wrote:

If I had to guess, I would say the finals are blown in my KPA3.

If I advance the power knob, output is normal up to 12 watts.  As soon as
the power is advanced to 13 watts, the power drops to near 0, perhaps 1/4
watt.

Any help on troubleshooting?

Assuming the finals are blown, is it possible to just return the KPA3 to
Elecraft for repair, rather than the K3 itself?

Thanks for any help!  Lee

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Re: [Elecraft] K3 loss of power (KPA3 100W)

[David Sumner]

Lee, it may not be that bad. Check Config to make sure KPA3 shows “PA nor” — 
there are other causes of your symptom as well that others may be able to 
comment on. 73, Dave K1ZZ

Sent from my iPhone

> On Sep 11, 2021, at 8:35 AM, Lee  wrote:
> 
> If I had to guess, I would say the finals are blown in my KPA3.
> 
> If I advance the power knob, output is normal up to 12 watts.  As soon as
> the power is advanced to 13 watts, the power drops to near 0, perhaps 1/4
> watt.
> 
> Any help on troubleshooting?
> 
> Assuming the finals are blown, is it possible to just return the KPA3 to
> Elecraft for repair, rather than the K3 itself?
> 
> Thanks for any help!  Lee
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Re: [Elecraft] K3 control software

[Dave Fugleberg]

Bruce,
Several of the programs mentioned will handle sending CW via a macro.  You
said "Both read and write".  Does that mean you need the software to decode
the received CW as well as send it?

Win4K3 includes a 'terminal' function that can use the built-in CW
encode/decode capability of the K3.  You can set up macros, and it can log
to its own log file or optionally to DxLab DXKeeper, Log4OM, or Ham Radio
Deluxe.It basically sends the characters from your keyboard to the K3 which
converts them to CW on transmit, and displays on the screen the text the K3
has decoded on receive. Win4K3 requires payment, but is worth it in my
opinion for the many capabilities it provides.

DxLab includes WinWarbler which can send CW in several different ways, and
includes macros.  It can display decoded CW directly from the decoder in
the K3 or from a couple other software CW decoders. It also logs to its own
DXKeeper logging program.  DXLab is completely free, and is incredibly well
supported by its author. I use it for DXing and as my master log, among
other things.

N1MM can send CW in at least a couple of ways, and includes macros. Even
though it's primary purpose is contesting, it can also be used as a general
DX logging program.  I don't know whether it has any CW decode abilities. I
use N1MM mostly for contesting, and I use a clone Winkeyer with it for CW
keying.

I'm sure there are plenty more possibilities, However, my experience with
machine decoding of CW has not been very good. If the CW signal is strong
and the timing is good, and there's not much QRM, they do ok.  I have yet
to see one that does as well as the decoder between the ears.

That should at least give you some ideas to explore.
73 de W0ZF

On Sat, Aug 14, 2021 at 12:26 PM Bruce Wade  wrote:

> Tnx for the input. I use WSJT for ft8.
> I am looking for controlling the radio for CW. Both read and write. also
> logging. I need marcos for fast response to dx.
> Bruce Wade
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Re: [Elecraft] K3 control software?

[Dave Fugleberg]

I use a variety of things depending on what I want to do. I often run
Win4k3 connected to the radio, and then other software like N1MM, DxLab,
etc. connected to the 'virtual radios' of Win4K3 via virtual serial port
pairs. I have found this a reliable way to allow multiple programs to each
'think' they are directly controlling the K3, while they are all being kept
in sync. In other words, changing frequency. mode, etc on the radio or in
one of the connected programs causes it to change everywhere.

Other times I just run N1MM or DxLab Commander connected directly to the
K3.  Or I'll connect N1MM to the K3, and then run WSJT-X from within N1MM,
so it logs directly into N1MM.

All depends on what you're trying to accomplish. If you can articulate what
your goals are, there are many here who can give you good advice on what to
use to get there!

On Fri, Aug 13, 2021 at 5:34 PM Bruce Wade  wrote:

> What are people using to control the K3?
> Bruce Wade
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Re: [Elecraft] K3 control software?

[Harlan Sherriff via Elecraft]

Win4K3

Sent from my iPhone

> On Aug 13, 2021, at 7:33 PM, Jim Brown  wrote:
> 
> On 8/13/2021 3:32 PM, Bruce Wade wrote:
>> What are people using to control the K3?
> 
> What control do you need? Do you want to run your station remotely, or only 
> from the shack? In addition to the software others have mentioned, virtually 
> all contest loggers provide the controls needed for contesting. WSJT-X, JTDX, 
> and MSHV provide the functions needed for the modes they support.
> 
> 73, Jim K9YC
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Re: [Elecraft] K3 control software?

[Jim Brown]

On 8/13/2021 3:32 PM, Bruce Wade wrote:

What are people using to control the K3?


What control do you need? Do you want to run your station remotely, or 
only from the shack? In addition to the software others have mentioned, 
virtually all contest loggers provide the controls needed for 
contesting. WSJT-X, JTDX, and MSHV provide the functions needed for the 
modes they support.


73, Jim K9YC
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Re: [Elecraft] K3 control software?

[mike stokes]

Win4k3suite

Mike
Kk9v

On Fri, Aug 13, 2021, 7:12 PM David Bunte  wrote:

> Bruce -
>
> I have been using the DXLab suite of modules for logging and rig control. I
> think I have been using it for close to ten years and have never wished for
> anything else.
>
> Dave - K9FN
>
> On Fri, Aug 13, 2021 at 6:35 PM Bruce Wade  wrote:
>
> > What are people using to control the K3?
> > Bruce Wade
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Re: [Elecraft] K3 control software?

[David Bunte]

Bruce -

I have been using the DXLab suite of modules for logging and rig control. I
think I have been using it for close to ten years and have never wished for
anything else.

Dave - K9FN

On Fri, Aug 13, 2021 at 6:35 PM Bruce Wade  wrote:

> What are people using to control the K3?
> Bruce Wade
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Re: [Elecraft] K3 control software?

[Tom Azlin W7SUA]

Flrig or fldigi or JS8Call or WSJT-X

73, tom w7sua

On 8/13/2021 3:32 PM, Bruce Wade wrote:

What are people using to control the K3?
Bruce Wade


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Re: [Elecraft] K3/10 is sick and needs help!

[Keith Trinity WE6R]

If some buttons don't work, and some do the wrong action, you for sure 
need to replace the 4 push-button encoders!

The old ones "leak" and disrupt the resistive matrix.
Sometimes you can snap the push-button action multiple times to clear 
things (temporarily).

Keith WE6R Elecraft K3/K4 Tech
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Re: [Elecraft] K3 dilemma update.

[Don Wilhelm]

Richard,

The two horizontal bars in the SWR display indicate that the KAT3 is not 
installed, go to the menu and activate it.


As for plugging in the speaker, hold the top cover in a tilted position 
and route the wire under the horizontal bar in the center, then onto the 
speaker plug on the vertical board near the left rear corner.  You 
should see the male header easily.


If you have a saved configuration file, load it, and I think your K3 
will come back to life.


73,
Don W3FPR

On 8/8/2021 11:30 AM, Richard Isaacs via Elecraft wrote:

As mentioned, one day it worked, overnight while I slept, gremlins at work.

Unit powers up but will not receive or transmit. White noise is heard and all 
buttons seem operable. The only issue I do notice, when ATU is tapped, instead 
of a number indicating swr, two bars horizontally appear and at the bottom of 
the display 5W is displayed. Somehow I think nothing is burned but an 
adjustment needs to be made. P3 is operational but of course not showing scales 
or waterfall. Upon advisement from others, I undid the top and see nor smell 
and burning or charing, I am asking for help in plugging back in speaker plug 
as well. It came unplugged during removal of top and I want to make sure it 
goes back where it came from.

I have two other radios running off an MFJ switch 1700c, and they RX/TX. 
Perhaps I tapped or held a button and have disconnected RX/TX and could be 
easily rectified without a long and costly trip back to Made In America. I live 
in Syracuse and hate to think of the gorillas along the way handling my “stuff.”

Any ideas and or instructing me where the speaker plug would be helpful. I am 
not a builder, nor a contester…the unit is casually used, and there are very 
few “Elecrafters” here in Central New York to speak with. Oh, I went back to a 
prior configuration from Doug Nathan at Made In America, and did a revision of 
firmware 5.67 which was successful.

Any help would be appreciated and useful. I can’t see how one day it is perfect 
and the next day it is not.

Thanking you all in advance,




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Re: [Elecraft] K3/10 is sick and needs help!

[chetsubaccount]

Hi Dick,

Does the K3 Utility talk to the radio? Perhaps then a reload of the firmware or 
a forced reload might help?

Chet, N8RA

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of RVZ via Elecraft
Sent: Saturday, August 7, 2021 1:48 AM
To: elecraft@mailman.qth.net
Cc: doug...@gmail.com
Subject: [Elecraft] K3/10 is sick and needs help!

Hi Guys,

I received a used K3/10 this week via UPS Ground and it arrived sick.  The 
radio looks "Like New" even though it's an older unit: Serial 822.  Perhaps the 
radio has the front panel "tin pin" problem?  I'd appreciate you reviewing the 
following symptoms and let me know if you have any suggestions. Things that 
work: POWER button turns the radio on/off and the front panel Display lights 
and displays multiple items including Frequency. AF control turns the volume 
up/down.  VFO A and VFO B knobs change frequency. Receives signals well, 
S-meter works fine, and CW stations have a nice clear tone. Things that don't 
work: the BAND, MENU, DISP as pressing these have no action.  However, pressing 
some front panel buttons cause the wrong function, such as: pressing the XMIT 
button turns the PRE on/off and holding down the XMIT button turns on the ATT.  
Similarly, pressing the ATU button on/off switches the AGC from Fast/Slow. I 
once had a K3 get sick after being shipped cross country and
  the solution was to Reset the radio through the recommended Initialization 
process.  However, I haven't been able to do an Initialization of this K3/10 
because "pressing and holding down the SHIFT/LO button while pressing the POWER 
button" as the Manual instructs doesn't Initialize the radio as it should.
 Thanks in advance for your recommendations.  Write direct if you wish: 
r...@aol.com 73, Dick- K9OM 
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Re: [Elecraft] K3/10 is sick and needs help!

[Don Wilhelm]

Dick,

Download either the KRX3 or KDVR3 installation instructions.  I know 
both tell you how to remove the Front Panel assembly.
That will tell not only how to remove the assembly, but just removing 
and re-instaling the Front Panel may wipe the pins enough to remove any 
oxidation and restore proper operation.


If tin pins, ask support@elecraft for the gold front panel pins. The old 
tin pins are not difficult to remove if you work on one pin at a time - 
remove the plastic separator, cutting it if you have to, then remove the 
pins one at a time.  Clean up with solder wick, and if solder remains in 
the holes, heat the solder pad and push it out with a wooden toothpick.


73,
Don W3FPR

On 8/7/2021 1:48 AM, RVZ via Elecraft wrote:

Hi Guys,

I received a used K3/10 this week via UPS Ground and it arrived sick.  The radio looks "Like New" 
even though it's an older unit: Serial 822.  Perhaps the radio has the front panel "tin pin" 
problem?  I'd appreciate you reviewing the following symptoms and let me know if you have any suggestions. 
Things that work: POWER button turns the radio on/off and the front panel Display lights and displays 
multiple items including Frequency. AF control turns the volume up/down.  VFO A and VFO B knobs change 
frequency. Receives signals well, S-meter works fine, and CW stations have a nice clear tone. Things that 
don't work: the BAND, MENU, DISP as pressing these have no action.  However, pressing some front panel 
buttons cause the wrong function, such as: pressing the XMIT button turns the PRE on/off and holding down the 
XMIT button turns on the ATT.  Similarly, pressing the ATU button on/off switches the AGC from Fast/Slow. I 
once had a K3 get sick after being shipped cross country and the solution was to Reset the radio through the 
recommended Initialization process.  However, I haven't been able to do an Initialization of this K3/10 
because "pressing and holding down the SHIFT/LO button while pressing the POWER button" as the 
Manual instructs doesn't Initialize the radio as it should.




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Re: [Elecraft] K3 and P3 for sale, UK ***Sold***

[Dave]

Early serial number K3, complete with 2nd RX module. Front panel and PA
plugs/sockets have been upgraded to gold plated and all applicable official
mods done. In full working order. The radio comprises the following roofing
filters and modules:
2 x 2.8 KHz, 2 x 400 Hz, 1 x 6 KHz, 1 x 250 Hz (all 8 pole, Elecraft)
2 x KSYN3A upgraded low noise synths
KTCXO-3 (Elecraft)
KAT3 (ATU)
1 x KBPF3 (general coverage)
KXV3 (transverter interface)
KRX3 (sub receiver)
KDVR3 (digital voice recorder)
P3 (pan adapter includes cables)
Advanced Receiver Research P50VDG 6m 0.5 dB NF GaAsFET preamp

£1600
Prefer buyer inspects and collects.

Located nr J38, M62, East Yorkshire
73 Dave G4AON
-- 
Sent from my iPhone SE
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Re: [Elecraft] K3 small rotary encoder replacement

[Nick Kennedy]

To close the loop, I finally finished installing the encoders and
reassembling my K3. It still works!  And the encoder action is smooth.

I just did the SPEED/MIC and CMP/PWR encoders. Should I decide to attempt
the other two, I'd probably get a better desoldering scheme than I have now.

73

Nick, WA5BDU

On Wed, Aug 4, 2021 at 11:59 AM Nick Kennedy  wrote:

> I'm in the process of replacing the four encoders to the left of the main
> VFO knob and wonder if anyone has any advice or pep talks to offer.
>
> The encoders in my summer 2008 vintage K3 degraded to the point where they
> often count backwards, making adjustment of CW speed or power out difficult.
>
> I've purchased four replacements from Elecraft and have been working up my
> courage and taking deep breaths. Getting to the board is a fairly
> complicated first phase. I had an Elecraft document on installation of an
> audio LPF on the DSP board and found it to be very useful in this process.
> Of course the original assembly manual is also useful.
>
> Now I've got the K3 apart to the point of allowing access. The upper two
> encoders have terminals located beneath an LED mounting board and are
> almost impossible to access from the top. I may stop after replacing the
> lower two, assuming I'm successful with them.
>
> My usual method involves solder wick plus flux. Sometimes I find ChipQuik
> to be very helpful in allowing me to remove a part without getting rid of
> all the solder. In this case though, using ChipQuik would require heating
> seven joints simultaneously which I haven't been able to do.
>
> There's also an issue with mounting the encoder at the correct height so
> the shaft switch can be operated. So I'll try to match the height of the
> new shaft end to that of the existing encoders.
>
> I found one website  which is somewhat helpful discussing this task:
>
>
> https://www.n5na.net/s9y/index.php?/archives/26-Replacing-Elecraft-K3-Push-Button-Encoders.html
>
> I'm keeping a lot of notes. Anyone planning to attempt this job is
> welcome to them.
>
> 73
>
> Nick, WA5BDU
>
>
>
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Re: [Elecraft] K3/K3S Options and Upgrades

[Charles Hardt]

Wayne and Eric have on numerous occasions stated in this forum that they will 
continue to support the K3/K3S in terms of maintenance.  Now, one has to be 
realistic in expectations.  To have replacement cards made for replacements or 
upgrades, manufactured in small numbers will become prohibitively expensive.  
Elecraft does not manufacture their own boards.  Once their stock is depleted, 
cards obviously will be come unavailable.   Wayne has stated in this forum that 
his repairs will go to component level, when cards are gone from stock.  So now 
component availability will be the driving issue.  I believe the K3/K3S has 
been in production for over 15 years and I am sure they have dealt with 
component obsolescence in the past, but know we cannot expect an engineering 
team to do redesign work for an out of production radio.  Replacement 
processor's, memory, ADCs, etc, could be a problem as component obsolesce kicks 
in.  I too have a K3, that I want to move from my home station to
  support my portable work and replace it with a K4 (When the kit version comes 
out).  In my opinion based on Elecraft's past performance and statements made 
by Wayne and Eric, loss of maintenance support for the K3/K3S will be due to 
parts obsolesce and not Elecraft lack of support.  I too look for years of 
usage out of my K3.

73,
Charlie, N2PKW

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Thomas Donohue
Sent: Monday, August 02, 2021 8:26 AM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3/K3S Options and Upgrades

[You don't often get email from tomdo...@gmail.com. Learn why this is important 
at http://aka.ms/LearnAboutSenderIdentification.]

Given the termination of options and upgrades, I'm concerned that the same 
thing will happen to K3/K3S service and repair. There are a lot of us here in 
customer land that will need that capability well into the future, therefore 
it's loss or diminishment would adversely affect lots of folks.  I attempted to 
post this item on the K4 reflector and it was denied in part because it was off 
topic; however, it seems to me  that the increasing attention being paid to the 
K4, has resulted in less attention going to the K3/K3S. So, I would like to 
know how some of you out there feel about that?

Best 73,
Tom/W1QU
Sent from my iPad
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Re: [Elecraft] K3 small rotary encoder replacement

[Keith Trinity WE6R]

Hi
Please search the Nabble archives.
http://elecraft.85.s1.nabble.com/
I have done many of the encoder replacements and posted tips.
Keith WE6R Elecraft K3/K4 Tech

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Re: [Elecraft] K3 small rotary encoder replacement

[Nick Kennedy]

No, my pins are tin plated I think. Recently I replaced some power pins
with gold plated ones per Elecraft's recommendation after getting an ERR
12V message and losing power to the 100 W amplifier.

When my K3 was less than a year old (June 2009) I had a lot of indications
going crazy and Elecraft replaced the front board under warranty. No
problems since then. I suspected the problem was tin whiskers but couldn't
be sure.

And  now back to the encoder replacements.

73

Nick, WA5BDU

On Wed, Aug 4, 2021 at 4:40 PM David Hachadorian 
wrote:

> Do you have gold pins on the connectors between the front panel and the
> body of the radio?  I had tinned pins until about a year ago, when I
> replaced them with gold. The old pins were increasingly causing all kinds
> of strange glitches.
>
> I also looked at replacing the small encoders, and ultimately chickened
> out.  After I replaced the front panel pins, the glitches that I thought
> were caused by the encoders all went away.
>
> Dave Hachadorian, K6LL
> Big Bear Lake, CA
>
> On 8/4/2021 9:59 AM, Nick Kennedy wrote:
>
> I'm in the process of replacing the four encoders to the left of the main
> VFO knob and wonder if anyone has any advice or pep talks to offer.
>
> The encoders in my summer 2008 vintage K3 degraded to the point where they
> often count backwards, making adjustment of CW speed or power out difficult.
>
> I've purchased four replacements from Elecraft and have been working up my
> courage and taking deep breaths. Getting to the board is a fairly
> complicated first phase. I had an Elecraft document on installation of an
> audio LPF on the DSP board and found it to be very useful in this process.
> Of course the original assembly manual is also useful.
>
> Now I've got the K3 apart to the point of allowing access. The upper two
> encoders have terminals located beneath an LED mounting board and are
> almost impossible to access from the top. I may stop after replacing the
> lower two, assuming I'm successful with them.
>
> My usual method involves solder wick plus flux. Sometimes I find ChipQuik
> to be very helpful in allowing me to remove a part without getting rid of
> all the solder. In this case though, using ChipQuik would require heating
> seven joints simultaneously which I haven't been able to do.
>
> There's also an issue with mounting the encoder at the correct height so
> the shaft switch can be operated. So I'll try to match the height of the
> new shaft end to that of the existing encoders.
>
> I found one website  which is somewhat helpful discussing this task:
> https://www.n5na.net/s9y/index.php?/archives/26-Replacing-Elecraft-K3-Push-Button-Encoders.html
>
> I'm keeping a lot of notes. Anyone planning to attempt this job is  welcome
> to them.
>
> 73
>
> Nick, WA5BDU
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> --
> Dave Hachadorian, K6LL
> Big Bear Lake, AZ
>
>
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Re: [Elecraft] K3 small rotary encoder replacement

[Dave]

Send it into Elecraft as I did...  I sent my rig in 20 or so months ago 
to get them replaced.


If you do take the front panel off, tighten the mic plug...  :)

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 8/4/21 9:59 AM, Nick Kennedy wrote:

I'm in the process of replacing the four encoders to the left of the main
VFO knob and wonder if anyone has any advice or pep talks to offer.

The encoders in my summer 2008 vintage K3 degraded to the point where they
often count backwards, making adjustment of CW speed or power out difficult.

I've purchased four replacements from Elecraft and have been working up my
courage and taking deep breaths. Getting to the board is a fairly
complicated first phase. I had an Elecraft document on installation of an
audio LPF on the DSP board and found it to be very useful in this process.
Of course the original assembly manual is also useful.

Now I've got the K3 apart to the point of allowing access. The upper two
encoders have terminals located beneath an LED mounting board and are
almost impossible to access from the top. I may stop after replacing the
lower two, assuming I'm successful with them.

My usual method involves solder wick plus flux. Sometimes I find ChipQuik
to be very helpful in allowing me to remove a part without getting rid of
all the solder. In this case though, using ChipQuik would require heating
seven joints simultaneously which I haven't been able to do.

There's also an issue with mounting the encoder at the correct height so
the shaft switch can be operated. So I'll try to match the height of the
new shaft end to that of the existing encoders.

I found one website  which is somewhat helpful discussing this task:

https://www.n5na.net/s9y/index.php?/archives/26-Replacing-Elecraft-K3-Push-Button-Encoders.html

I'm keeping a lot of notes. Anyone planning to attempt this job is  welcome
to them.

73

Nick, WA5BDU
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Re: [Elecraft] K3/K3S Options and Upgrades

[K9ZTV]

And that's the rub for every manufacturer and always will be.

73,

Kent  K9ZTV



> On Aug 2, 2021, at 10:48 AM, Dave  wrote:
> 
> As long as parts are available, I am sure Elecraft will do their best to 
> repair K3, and K3s rigs...
> 
> 

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Re: [Elecraft] K3/K3S Options and Upgrades

[Dave]

Hi Tom,
I doubt Elecraft will abandon the K3, or 3s.  Why?  All the owners of 
K4's, (and any later rigs), would start to apply that to the "Do I need 
to purchase a $5K radio, that will not be supported, after a new model 
comes out", thought process...  Hams have long memories...  Elecraft is 
aware of this.


Elecraft was kind enough to let everyone know, and build an ordering 
process for one last set of addons for the K3/3s...  I have not seen 
Icom, or any other maker do that for any radio...  I may have missed it, 
but I am happy that Elecraft did that, and not worried...


As long as parts are available, I am sure Elecraft will do their best to 
repair K3, and K3s rigs...


73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 8/2/21 6:26 AM, Thomas Donohue wrote:

Given the termination of options and upgrades, I’m concerned that the same 
thing will happen to K3/K3S service and repair. There are a lot of us here in 
customer land that will need that capability well into the future, therefore 
it’s loss or diminishment would adversely affect lots of folks.  I attempted to 
post this item on the K4 reflector and it was denied in part because it was off 
topic; however, it seems to me  that the increasing attention being paid to the 
K4, has resulted in less attention going to the K3/K3S. So, I would like to 
know how some of you out there feel about that?

Best 73,
Tom/W1QU
Sent from my iPad
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Re: [Elecraft] K3/K3S Options and Upgrades

[Don Wilhelm]

Tom and all,

Elecraft still offers service on its legacy gear - KX1, K1, K2, 
XVseries, so as long as repair parts are available, you can expect 
service will be available for the K3/K3S in a similar manner.


73,
Don W3FPR

On 8/2/2021 9:26 AM, Thomas Donohue wrote:

Given the termination of options and upgrades, I’m concerned that the same 
thing will happen to K3/K3S service and repair. There are a lot of us here in 
customer land that will need that capability well into the future, therefore 
it’s loss or diminishment would adversely affect lots of folks.  I attempted to 
post this item on the K4 reflector and it was denied in part because it was off 
topic; however, it seems to me  that the increasing attention being paid to the 
K4, has resulted in less attention going to the K3/K3S. So, I would like to 
know how some of you out there feel about that?




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Re: [Elecraft] K3/K3S Options and Upgrades

[John Stengrevics]

Tom,

W3DVX posts occasionally here offering Elecraft rig service.  At this time, 
this is probably the best bet for timely service.

73,

John
WA1EAZ

> On Aug 2, 2021, at 9:26 AM, Thomas Donohue  wrote:
> 
> Given the termination of options and upgrades, I’m concerned that the same 
> thing will happen to K3/K3S service and repair. There are a lot of us here in 
> customer land that will need that capability well into the future, therefore 
> it’s loss or diminishment would adversely affect lots of folks.  I attempted 
> to post this item on the K4 reflector and it was denied in part because it 
> was off topic; however, it seems to me  that the increasing attention being 
> paid to the K4, has resulted in less attention going to the K3/K3S. So, I 
> would like to know how some of you out there feel about that? 
> 
> Best 73,
> Tom/W1QU
> Sent from my iPad
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Re: [Elecraft] K3/K3S Options and Upgrades

[Pete Smith N4ZR]

I don't think that linkage necessarily holds water.  I think it makes 
sense for Elecraft to stop selling upgrades (after one last round) so 
they can focus their attention on producing K4s.  On the other hand, 
maintenance issues may reflect staff shortages, but those are 
remediable, and it wouldn't make business sense to stop servicing their 
recent products.  At some point, however, the rapid obsolescence of 
semiconductor parts is likely to affect whether old hardware is even 
repairable.  Hopefully that's a few years away for the K3/K3S.


73, Pete N4ZR
Check out the new Reverse Beacon Network
web server at .
For spots, please use your favorite
"retail" DX cluster.

On 8/2/2021 9:26 AM, Thomas Donohue wrote:

Given the termination of options and upgrades, I’m concerned that the same 
thing will happen to K3/K3S service and repair. There are a lot of us here in 
customer land that will need that capability well into the future, therefore 
it’s loss or diminishment would adversely affect lots of folks.  I attempted to 
post this item on the K4 reflector and it was denied in part because it was off 
topic; however, it seems to me  that the increasing attention being paid to the 
K4, has resulted in less attention going to the K3/K3S. So, I would like to 
know how some of you out there feel about that?

Best 73,
Tom/W1QU
Sent from my iPad
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Re: [Elecraft] K3 & KX3 with KPA500/KAT500

[Ken Winterling]

I use this four position AV switch to select the keying line. Since it can
switch three connections (L/R audio, video) you can get creative. Although
I don't use ALC it could also be switched along with the keying line.

https://smile.amazon.com/gp/product/B00KXVBB3Q/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Ken
WA2LBI





On Fri, Jul 30, 2021 at 3:37 PM Jim Brown  wrote:

> On 7/30/2021 9:43 AM, Phil Hystad via Elecraft wrote:
> > Can this be done and if so has this been written up or documented
> someplace?
>
> The KAT500, KPA500, and KPA1500 have excellent frequency sensing, so
> nothing more than a SPDT coax switch is required. I suspect that the key
> lines from the KX3 and K3 can be paralleled. For many years, I've run
> the Key inputs of a KPA500 (and now KPA1500) wired in parallel.
>
> In my station, a K3 is switched between an 87A and a KPA1500. I'm doing
> it with a pair of Tohtsu SPDT coax relays on input and output. Before
> the KPA1500, the KPA500 gave me 500W on 6M, while the 87A was the HF
> contesting amp. Now the 87A is standby.
>
> 73, Jim K9YC
>
>
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Re: [Elecraft] K3 & KX3 with KPA500/KAT500

[Jim Brown]

On 7/30/2021 9:43 AM, Phil Hystad via Elecraft wrote:

Can this be done and if so has this been written up or documented someplace?


The KAT500, KPA500, and KPA1500 have excellent frequency sensing, so 
nothing more than a SPDT coax switch is required. I suspect that the key 
lines from the KX3 and K3 can be paralleled. For many years, I've run 
the Key inputs of a KPA500 (and now KPA1500) wired in parallel.


In my station, a K3 is switched between an 87A and a KPA1500. I'm doing 
it with a pair of Tohtsu SPDT coax relays on input and output. Before 
the KPA1500, the KPA500 gave me 500W on 6M, while the 87A was the HF 
contesting amp. Now the 87A is standby.


73, Jim K9YC


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Re: [Elecraft] K3/K3S options and upgrades

[Ian Kahn]

Madelyn,

Thank you for the update. Does this mean, for those of us who already
ordered, we can expect our upgrade kita/components soon?

Thanks and 73,

Ian Kahn, NV4C

On Tue, Jul 27, 2021, 12:35 PM Madelyn Gomez  wrote:

> Good morning.
>
> This is a notification that the K3/K3S options and upgrades page will be
> CLOSED as of 5:00 pm PDT today, July 27th.
>
> If you have been thinking about ordering any of these items, please do so
> before 5:00 pm today.
>
> Madelyn Gomez
> Elecraft Sales
> 125 Westridge Drive, Watsonville, CA.
> 831-763-4211
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Re: [Elecraft] K3/K3S options and upgrades

[Scott Laird]

What does this mean for the KRX3A, which is still listed as
eventually-orderable on the order page?

On Tue, Jul 27, 2021 at 9:35 AM Madelyn Gomez  wrote:

> Good morning.
>
> This is a notification that the K3/K3S options and upgrades page will be
> CLOSED as of 5:00 pm PDT today, July 27th.
>
> If you have been thinking about ordering any of these items, please do so
> before 5:00 pm today.
>
> Madelyn Gomez
> Elecraft Sales
> 125 Westridge Drive, Watsonville, CA.
> 831-763-4211
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Re: [Elecraft] K3 DVR comes and goes?

[Rich]

Let us know what you find.   I have a K3S which was sent back to have 
the DVR firmware updated, not the update we can do, but the one that 
needs done at the repair center which now shows "dr 02.05".  Even after 
the repair many times my DVR will not work at all or locks in 
transmit.   If I check the FW REVS in CONFIG it will show "dr 00.01" or 
a variety of other numbers, but not "dr 02.05".   If I cycle the power 
on the radio a time or two it will again show "dr 02.05" and starts 
working again.


You might want to check what you FW version is when the DVR is not working.

Rich

K3RWN

On 7/22/2021 13:37 PM, Jeff Kinzli N6GQ wrote:

Hey y'all, I have an old K3 that we upgraded to K3S a few years back. It
also has a DVR unit in it. All firmware is current.

Today upon powerup the DVR didn't work - showed as not installed and
obviously didn't work.

I powered off the radio and back on again, and there was the DVR, working
again as usual.

I'm thinking the contacts may need cleaning on the DVR/pins - but also
wondering if there's other things that I should check. I'm taking the radio
on a dxpedition soon and want everything to work properly.

Thanks,

Jeff N6GQ
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Re: [Elecraft] K3/K3S Options & Upgrades

[Paul GACEK via Elecraft]

Robie

Not sure that Larry K6ro still has one but a while back he had a krx3 available 
on eBay.

As with all the upgrades to the k3 and/or K3s, none are inexpensive and 
ultimately you need to weight the value add to an existing system versus 
acquiring a new and more contemporary radio.

Paul

> On Jul 19, 2021, at 2:01 PM, Robie Elms  wrote:
> 
> Paul,
> 
> Thanks for the feedback.  I'm concerned about the availability as well and
> that's why I posted the question.
> 
> Robie - AJ4F
> 
>> On Mon, Jul 19, 2021 at 3:54 PM Paul GACEK  wrote:
>> 
>> Robie
>> 
>> I gave up waiting for the sub receiver info to be updated as I suspect
>> based on absolutely no information that the krx3a will be MIA due to parts
>> availability.
>> 
>> I ended up transplanting one from a k3 into a K3s and getting the Ksyn3a
>> from K6ro.
>> 
>> YMMV….
>> 
>> Paul
>> W6PNG
>> www.nomadic.blog
>> 
>> On Jul 19, 2021, at 1:12 PM, Robie Elms  wrote:
>> 
>> I see the Elecraft webpage is urging us to place orders for the last run
>> of
>> K3/K3S options & upgrades.  As of today the webpage states they are
>> still waiting on info from suppliers for the KRX3A sub receiver.  When
>> might we expect to be able to order the KRX3A?
>> 
>> Robie - AJ4F
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Re: [Elecraft] K3/K3S Options & Upgrades

[Robie Elms]

Paul,

Thanks for the feedback.  I'm concerned about the availability as well and
that's why I posted the question.

Robie - AJ4F

On Mon, Jul 19, 2021 at 3:54 PM Paul GACEK  wrote:

> Robie
>
> I gave up waiting for the sub receiver info to be updated as I suspect
> based on absolutely no information that the krx3a will be MIA due to parts
> availability.
>
> I ended up transplanting one from a k3 into a K3s and getting the Ksyn3a
> from K6ro.
>
> YMMV….
>
> Paul
> W6PNG
> www.nomadic.blog
>
> On Jul 19, 2021, at 1:12 PM, Robie Elms  wrote:
>
> I see the Elecraft webpage is urging us to place orders for the last run
> of
> K3/K3S options & upgrades.  As of today the webpage states they are
> still waiting on info from suppliers for the KRX3A sub receiver.  When
> might we expect to be able to order the KRX3A?
>
> Robie - AJ4F
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Re: [Elecraft] K3/K3S Options & Upgrades

[Paul GACEK via Elecraft]

Robie 

I gave up waiting for the sub receiver info to be updated as I suspect based on 
absolutely no information that the krx3a will be MIA due to parts availability.

I ended up transplanting one from a k3 into a K3s and getting the Ksyn3a from 
K6ro.

YMMV…. 

Paul
W6PNG 
www.nomadic.blog

> On Jul 19, 2021, at 1:12 PM, Robie Elms  wrote:
> 
> I see the Elecraft webpage is urging us to place orders for the last run of
> K3/K3S options & upgrades.  As of today the webpage states they are
> still waiting on info from suppliers for the KRX3A sub receiver.  When
> might we expect to be able to order the KRX3A?
> 
> Robie - AJ4F
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Re: [Elecraft] K3 TX light flashing when RTS=PTT

[Geert Jan de Groot]

At Field Day this year, the K3 TX light started flashing when we loaded
N1MM to use RTS=PTT to send .wav files.  This only occurs when RTS=PTT is
set on the rig.   I thought it was a bug in N1MM but it also does this 
when

using N3FLP's logger and the flashing corresponds to the polling rate
(which N3FJP allows one to set).


Check whether RTS is active when you powered up the K3. Yaesu radios 
have a similar safety feature (cannot transmit if key is engaged during 
powerup, it avoids the radio immediately transmitting when the 
microphone is jammed under some electronics project or the cat sleeps on 
top of the morse key.


I apologise for replying to my own mail but the exact behavior is 
described in the K3S manual (page 20):


PTT and Keying (via DTR and RTS)
In the K3S, these are not used as serial I/O handshaking lines. Instead, 
the K3S can use these as PTT IN or KEY IN (see CONFIG:PTT-KEY). The 
default for both signals is inactive. Refer to application software 
documentation to determine if it can use RS232 signal lines for PTT or 
keying.


Use these signals with caution. A computer may assert DTR or RTS during 
power-up, causing the K3S to transmit unexpectedly. If a computer or 
other device asserts RTS or DTR while you’re using the PTT-KEY menu 
entry, the K3S will enter TEST mode as a precaution, allowing you to 
change the menu setting if required.



... and test mode shows as the TX light flashing.

So it's even in the manual!

Geert Jan
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Re: [Elecraft] K3 TX light flashing when RTS=PTT

[Geert Jan de Groot]

At Field Day this year, the K3 TX light started flashing when we loaded
N1MM to use RTS=PTT to send .wav files.  This only occurs when RTS=PTT is
set on the rig.   I thought it was a bug in N1MM but it also does this when
using N3FLP's logger and the flashing corresponds to the polling rate
(which N3FJP allows one to set).


Check whether RTS is active when you powered up the K3. Yaesu radios 
have a similar safety feature (cannot transmit if key is engaged during 
powerup, it avoids the radio immediately transmitting when the 
microphone is jammed under some electronics project or the cat sleeps on 
top of the morse key.


Geert Jan

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Re: [Elecraft] K3 TX light flashing when RTS=PTT

[Frank Stein]

Joe,
Thanks for your response.  See my responses embedded below IN CAPS FOR YOU
TO SEE.

Appreciate any thoughts.

73,
Frank
W4TG

On Mon, Jul 12, 2021 at 7:51 AM Joseph DeVincentis  wrote:

> I don't think I've seen an answer to this question.
>
> Is H/W flow control set for the port.  That would explain it.  I don't
> recall if N1MM has flow control as an option or not when setting up the
> port, but the port settings in the device manager do.
> >>> I DON'T SEE ANYTHING IN N1MM ABOUT FLOW CONTROL.  IN THE WIN10 PORT
> SETTING I HAVE "DISABLE MODEM CTRL AT STARTUP CHECKED.  WAS THERE SOMETHING
> ASSOCIATED WITH FLOW CONTROL THAT i SHOULD DISABLE?
> If that is not the answer, then we need to look elsewhere.
>
> Is there any other software besides N1MM that can possibly be using serial
> ports?  If so, don't bring them up and see if it goes away.  Then bring
> them up one by one to figure out who's doing it.
>
>>>  BEFORE I START N1MM THERE IS NO PROBLEM, THAT IS THE tx LIGHT IS NOT
FLASHING.  MY BREAKOUT BOX HAS RXD, TXD DTR AND RTS RED.
IF I START CWTYPE WHICH USES THE DTR LINE FOR CW, WHEN I SEND FROM THE
KEYBOARD, THE RTS LIGHT TURNS GREEN AND THE DTR FLASHES, AND THE K3
TRANSMITS AS IT SHOULD.

WHEN I START N1MM (EVEN WITH RTS = OFF AND DTR = OFF) THE TXD AND RXD FLASH
GREEN ON THE BREAKOUT BOX AND THE RIG'S TX LIGHT FLASHES ON AND THE RECEIVE
AUDIO PAUSES DURING THE FLASHES. IF I CLOSE N1MM, THEN THE RIG RETURNS TO
NORMAL.

IF I START THE K3 UTILITY PROGRAM, NOTHING HAPPENS UNTIL I TEST
COMMUNICATIONS AND THEN THE TX FLASHES AS WITH N1MM (BUT ONLY ONE TIME). IF
I GOT TO TERMINAL TAB THE RIG FLASHES UNTIL I LEAVE THAT MODE (AND THE RXD
AND TXD LIGHTS ON THE BREAKOUT BOX FLASH) .

SO I DON'T THINK IT IS A 'BAD ACTOR'  - FOR SOME REASON SENDING AND
RECEIVING DATA CAUSES THE TX LIGHT ON THE RIG TO FLASH.

>
> If that doesn't help, go here (
> https://www.eltima.com/products/serial-port-monitor/) and download the
> monitor.  IIRC, they have a 14 free trial.  It will help you find out who
> is messing with the serial port for the radio.
>


>
> I can't tell you how many really bad actors (not just ham programs) that
> are out there for serial ports.  I have caught programs opening every port
> up to 15 times to scan and see what ports are available rather than using
> the registry as they should - dumb programmers.  That drove my radio nuts
> because it would mess with DTR/RTS.  I have caught programs opening every
> port and playing with modem control and constantly sending data to see what
> responses it gets to find their devices and causing all sorts of havoc -
> those programmers should be fired and sent to McDonalds to flip burgers -
> that is all they are good for.  Programs should never send data to devices
> they don't know they own.
>
> I've gotten to the point of looking at firing up virtual machines so I can
> control what hardware the bad actor programs can even see.  I really wish
> M$ would put ACLs in place for the COM ports.
>
> Then there's the whole serial enumerator idea (again someone's bad idea to
> treat serial ports as plug and play) causing havoc with mice.  Thank M$ and
> FTDI for perpetuating that horrifically bad idea.
>
> Sorry for the soap box, but I was trying to give you an idea of just how
> badly serial ports are treated in Windows by both M$ and the programmers
> out there.
>
> 73,
> Joe
>
>
>
> On Jul 10, 2021, at 14:01, Frank Stein  wrote:
>
> At Field Day this year, the K3 TX light started flashing when we loaded
> N1MM to use RTS=PTT to send .wav files.  This only occurs when RTS=PTT is
> set on the rig.   I thought it was a bug in N1MM but it also does this when
> using N3FLP's logger and the flashing corresponds to the polling rate
> (which N3FJP allows one to set).
>
> This is not a bug in either program since I get the same response when I
> use the K3 Utility and select Terminal Tab.
>
> Why would polling the rig cause the TX light to flash and the receive audio
> to momentarily drop?  This is not a temporary initiation of the USB-RS-232
> connection.   And more importantly, what setting is wrong that is causing
> this?
>
> I have tried a different computer with a rs-232 port and I get the same
> result.
>
> Thanks,
> Frank
> W4TG
> fst...@ieee.org
>
>
>
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Re: [Elecraft] K3 TX light flashing when RTS=PTT

[Joseph DeVincentis]

I don't think I've seen an answer to this question.

Is H/W flow control set for the port.  That would explain it.  I don't recall 
if N1MM has flow control as an option or not when setting up the port, but the 
port settings in the device manager do.

If that is not the answer, then we need to look elsewhere.

Is there any other software besides N1MM that can possibly be using serial 
ports?  If so, don't bring them up and see if it goes away.  Then bring them up 
one by one to figure out who's doing it.

If that doesn't help, go here 
(https://www.eltima.com/products/serial-port-monitor/) and download the 
monitor.  IIRC, they have a 14 free trial.  It will help you find out who is 
messing with the serial port for the radio.

I can't tell you how many really bad actors (not just ham programs) that are 
out there for serial ports.  I have caught programs opening every port up to 15 
times to scan and see what ports are available rather than using the registry 
as they should - dumb programmers.  That drove my radio nuts because it would 
mess with DTR/RTS.  I have caught programs opening every port and playing with 
modem control and constantly sending data to see what responses it gets to find 
their devices and causing all sorts of havoc - those programmers should be 
fired and sent to McDonalds to flip burgers - that is all they are good for.  
Programs should never send data to devices they don't know they own.

I've gotten to the point of looking at firing up virtual machines so I can 
control what hardware the bad actor programs can even see.  I really wish M$ 
would put ACLs in place for the COM ports.

Then there's the whole serial enumerator idea (again someone's bad idea to 
treat serial ports as plug and play) causing havoc with mice.  Thank M$ and 
FTDI for perpetuating that horrifically bad idea.

Sorry for the soap box, but I was trying to give you an idea of just how badly 
serial ports are treated in Windows by both M$ and the programmers out there.

73,
Joe



On Jul 10, 2021, at 14:01, Frank Stein 
mailto:fst...@ieee.org>> wrote:

At Field Day this year, the K3 TX light started flashing when we loaded
N1MM to use RTS=PTT to send .wav files.  This only occurs when RTS=PTT is
set on the rig.   I thought it was a bug in N1MM but it also does this when
using N3FLP's logger and the flashing corresponds to the polling rate
(which N3FJP allows one to set).

This is not a bug in either program since I get the same response when I
use the K3 Utility and select Terminal Tab.

Why would polling the rig cause the TX light to flash and the receive audio
to momentarily drop?  This is not a temporary initiation of the USB-RS-232
connection.   And more importantly, what setting is wrong that is causing
this?

I have tried a different computer with a rs-232 port and I get the same
result.

Thanks,
Frank
W4TG
fst...@ieee.org


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Re: [Elecraft] K3 on wsjt-x

[Don Wilhelm]

Doug,

You have had suggestions on this reflector on how to get in DATA A mode.
As far as audio levels are concerned, I have an article on my website 
www.w3fpr.com that may be helpful.

Scroll the left column to the last entry and click to open the document.

Bottom line is that you must have 4 bars solid on the ALC meter with the 
5th bar flashing.  You may have up to 3 audio level controls to work 
with.  It is best to start with them all set to mid-range, then adjust 
from there.


73,
Don W3FPR

On 7/3/2021 5:35 PM, doug dietz wrote:

Guys
I have k3 with all the options available except finals. I have installed the 
ftdi driver. The receiver sends frequency and decodes wsjt signals correctly.   
In the wsjt program the cat test turns green and the ptt  works ok. When I call 
cq the transmitter is keyed but no power is sent out. I think I’m in the wrong 
mode. Any  suggestions. I cannot get it to “data a”?  HELP
WD8Z. Doug



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Re: [Elecraft] K3 on wsjt-x

[Bill Frantz]

It sounds like your audio is not getting to the K3. There are 
many places it can get lost, including wsjt-x, the selection of 
output devices in wsjt-x, the OS audio chain (seen frequently in 
Windows, but also other OSes), and in the K3 -- are you sure 
your computer is connected to the transmit audio.


73 Bill AE6JV

On 7/3/21 at 5:35 PM, doug49...@gmail.com (doug dietz) wrote:

I have k3 with all the options available except finals. I have 
installed the ftdi driver. The receiver sends frequency and 
decodes wsjt signals correctly.   In the wsjt program the cat 
test turns green and the ptt  works ok. When I call cq the 
transmitter is keyed but no power is sent out. I think I’m in 
the wrong mode. Any  suggestions. I cannot get it to “data 
a”?  HELP


---
Bill Frantz| When an old person dies, a   | Periwinkle
(408)348-7900  | library burns. - Joe McGawon | 150 
Rivermead Rd #235
www.pwpconsult.com | Irish Ethnographer   | 
Peterborough, NH 03458


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Re: [Elecraft] K3 on wsjt-x

[Dave]

To get to DATA-A, use the DATA MD button, it is the long press of AFX.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 7/3/21 3:20 PM, Dave wrote:

Hi Doug,
I transmit using DATA-A mode.  You might also check to be sure you have 
your computer audio feeding the active input port on the K3.


If you get really stuck, send me a not off list, and one of us can call 
the other, and I can talk you thought rig setup.


73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 7/3/21 2:35 PM, doug dietz wrote:

Guys
I have k3 with all the options available except finals. I have 
installed the ftdi driver. The receiver sends frequency and decodes 
wsjt signals correctly.   In the wsjt program the cat test turns green 
and the ptt  works ok. When I call cq the transmitter is keyed but no 
power is sent out. I think I’m in the wrong mode. Any  suggestions. I 
cannot get it to “data a”?  HELP

WD8Z. Doug

Sent from my iPhone
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Re: [Elecraft] K3 on wsjt-x

[Dave]

Hi Doug,
I transmit using DATA-A mode.  You might also check to be sure you have 
your computer audio feeding the active input port on the K3.


If you get really stuck, send me a not off list, and one of us can call 
the other, and I can talk you thought rig setup.


73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 7/3/21 2:35 PM, doug dietz wrote:

Guys
I have k3 with all the options available except finals. I have installed the 
ftdi driver. The receiver sends frequency and decodes wsjt signals correctly.   
In the wsjt program the cat test turns green and the ptt  works ok. When I call 
cq the transmitter is keyed but no power is sent out. I think I’m in the wrong 
mode. Any  suggestions. I cannot get it to “data a”?  HELP
WD8Z. Doug

Sent from my iPhone
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Re: [Elecraft] K3 no RF on FT8

[w1rm]

That was it, Mike.  Dang windows messed with the settings.  I've been
restoring this computer for 3 days now and I'm punchy with it.


Pete Chamalian, W1RM
w...@comcast.net

-Original Message-
From: Mike Flowers  
Sent: Sunday, June 20, 2021 1:15 PM
To: w...@comcast.net
Subject: RE: [Elecraft] K3 no RF on FT8

Hi Pete,

I would first look at how you are generating your FT8 audio tones.   The
symptoms you describe seem to me to be a case of your input audio tones
being attenuated somehow.

Sometimes Windows updates mess with the sound levels of various audio
devices, so whatever sound device you're using is worth checking the levels.

- 73 and good DX de Mike, K6MKF, NCDXC Vice-President 2021-2022


> -Original Message-
> From: elecraft-boun...@mailman.qth.net  boun...@mailman.qth.net> On Behalf Of w...@comcast.net
> Sent: Sunday, June 20, 2021 10:10
> To: Elecraft@mailman.qth.net
> Subject: [Elecraft] K3 no RF on FT8
> 
> 
> 
> My K3S occasionally does not put out any power when transmitting FT8.  
> The problem was usually resolved by turning the rig off then back on.  
> Now it doesn't want to put out RF when in that mode.  It does transmit 
> just fine
on
> CW.
> 
> 
> 
> The normal level of mic (Level) setting is 11-12 but now I have to 
> crank
it way
> up to 58 to get any power out.
> 
> 
> 
> Any thoughts on what's wrong and how to fix?
> 
> 
> 
> 
> 
> 
> 
> Pete Chamalian, W1RM
> 
> w...@comcast.net
> 
> 
> 
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> delivered to mike.flow...@gmail.com


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Re: [Elecraft] K3 no RF on FT8

[Julia Tuttle]

Just spitballing what I'd check:

Have you checked all the computer-side settings? There's output attenuation
in the app, per-app output volume (on some operating systems), and master
output volume.

If it can be toggled or there are separate jacks, are you using headphones
or line-out? Have you tried the other?

If you've got an audio interface with a hardware output gain knob, have you
checked the settings on that?

Have you checked the cables and connections, and perhaps tried another
cable?

If you're using SSB instead of DATA mode, have you checked the COMP and TX
EQ settings? (DATA mode avoids this problem.)

Have you tried transmitting some other computer audio, like a plain sine
wave of good volume? This would isolate the app, output attentuation, or
per-app volume.

Have you tried transmitting some plain mic audio in the same mode? This
would isolate the app, computer, or interface.

73,

Julie

On Sun, Jun 20, 2021, 13:10  wrote:

>
>
> My K3S occasionally does not put out any power when transmitting FT8.  The
> problem was usually resolved by turning the rig off then back on.  Now it
> doesn't want to put out RF when in that mode.  It does transmit just fine
> on
> CW.
>
>
>
> The normal level of mic (Level) setting is 11-12 but now I have to crank it
> way up to 58 to get any power out.
>
>
>
> Any thoughts on what's wrong and how to fix?
>
>
>
>
>
>
>
> Pete Chamalian, W1RM
>
> w...@comcast.net
>
>
>
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Re: [Elecraft] [K3} - K3 Powerpole

[Don Wilhelm]

Rich,

I have never had an APP connector break - but:

I think you will have to take the back cover off.  Part of the APP 
connector is inside the K3.
You may be able to salvage the contact blade (be certain it is seated 
all the way), but if you cannot, I recommend you download the assembly 
instructions for one of the XV series transverters to see how those APP 
connectors are installed using #14 gauge wire - the alternative is to 
order new contact blades.
You can optionally glue a new locking pin in place once you have 
completed the repair, but if you use "Superglue" between the halves of 
the connector, that is seldom necessary.


73,
Don W3FPR

On 6/17/2021 6:54 PM, Rich wrote:

[K3}  -  K3 Powerpole

The positive (red) Powerpole plastic on my K3 broke while pushing it back on
my desk.
Has anyone replaced the plastic covers without taking the K3 apart? If so I
would like a plan of attack on fixing the Powerpole. Or, do I need to take
the back of partially, wholly, etc.

The "locking" pin is gone along with the red plastic cover. I have
replacement sets. Can I simply pull off the black one, connect the red and
black together, insert the locking pin in the notch, and shove it on. ? ?

Any guidance to fix this would be helpfully.




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Re: [Elecraft] K3 preamp upgrade board?

[Hisashi T Fujinaka]

All the replies are coming straight to me, so I figured I'd follow up to
myself here.

Turns out the KXV3B contains the preamp I was thinking of, and I
pre-ordered one. It's $260 and when I was buying all the other updates I
figured I'd wait for the sunspot cycle to start back up before I spent
that much on a preamp (I already have the KXV3).

I pre-ordered one. Now I can pretend my K4 and the KXV3B are in a race.

On Thu, 27 May 2021, Hisashi T Fujinaka wrote:


I'm probably too late for this, but does anyone remember all the
upgrades that you could make to the K3? The one I'm really interested in
is the 10M/6M preamp.

I can't seem to find it on the "preorder" list so I'm guessing it's
probably going to be hard to find, but does anyone remember what it was?

I'm guessing if I do find one, I'll get it about the same time my K4
finally ships. :)

Thanks.

Todd K7FU




--
Hisashi T Fujinaka - ht...@twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] K3 on 6M

[Tim Tucker]

If anyone needs the external 6m preamp for an original K3, I have one I
would part with for a reasonable price.

Tim,
AE6LX

On Mon, May 24, 2021 at 7:33 AM Linda M  wrote:

>
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AE6LX, Amateur Radio
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Re: [Elecraft] K3 on 6M

[Linda M]

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Re: [Elecraft] K3 on 6M

[Ronnie Hull]

Thanks everyone!
 I Do have the the transverter interface in my upgraded K3

I was just curious!

Ron W5SUM 

Sent from my iPhone

> On May 23, 2021, at 11:16 PM, Jim Brown  wrote:
> 
> On 5/23/2021 7:35 PM, Ronnie Hull wrote:
>> I have a K3 with every upgrade available. What are your opinions of such a 
>> K3 on 6M?
> 
> It's quite good with either the outboard PR6 preamp they sold, or the preamp 
> built into the transverter interface introduced with the K3S. When I got my 
> first K3 in 2008, the internal preamp was pretty stinko on 10M and 6M. I 
> already owned a GASFET preamp, so I used it at the RX Out - RX In patch 
> point, and it worked great from 12M up to 6M.
> 
> The preamp in the KX3 is also very good on 6M, making it a very good 
> backpacking rig.
> 
> 73, Jim K9YC
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Re: [Elecraft] K3 on 6M

[Jim Brown]

On 5/23/2021 7:35 PM, Ronnie Hull wrote:

I have a K3 with every upgrade available. What are your opinions of such a K3 
on 6M?


It's quite good with either the outboard PR6 preamp they sold, or the 
preamp built into the transverter interface introduced with the K3S. 
When I got my first K3 in 2008, the internal preamp was pretty stinko on 
10M and 6M. I already owned a GASFET preamp, so I used it at the RX Out 
- RX In patch point, and it worked great from 12M up to 6M.


The preamp in the KX3 is also very good on 6M, making it a very good 
backpacking rig.


73, Jim K9YC
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Re: [Elecraft] K3 General Coverage

[Brian Hunt]

The easiest way is to use the K3 Frequency Memory Editor to enter favorite 
stations into memory. The program is available for download from Elecraft.com. 
It works for KX3 and KX2 also. 

73, Brian, K0DTJ

> On May 23, 2021, at 16:40, Larry Boekeloo  wrote:
> 
> Curious as to how others access the short wave bands.

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Re: [Elecraft] K3 Problem, VFO Noise While Rotating On 10 Meters

[Randy via Elecraft]

Hi Paul Thanks for the reply. I have the upgraded SYN-3A synthesizer and the 
rig came from the factory with the resistor and diode mod installed.  The clock 
rate is set to SP2. I should have mentioned that info in the original post. 73 
Randy In a message dated 5/19/2021 7:02:19 AM Pacific Standard Time, 
pokir...@gmail.com writes: 
Based on the description of your rig, you have the original synthesizer(s).  
The noise mod involved adding some resistors and diodes to the K3 main board at 
specific spots and making some firmware adjustments. On the assumption that you 
have the resistors and diodes already, per your description of your K3 vintage, 
here are the firmware comments from the mod instructions: 
**IMPORTANT: You must install the resistors and diodes 
as described above before changing the busclock rate. Failure to do so will 
result in erratic behavior of your K3.1. Download and install firmware revision 
3.24 or later. Refer to the K3 software page for instructions.2. IMPORTANT: 
Locate the CONFIG:VCO MD menu entry, and tap the 1 keypad switch until yousee 
SPI 2; this selects the new bus clock rate. (The default setting is SPI 
1.)* I will email you the mod instructions separately 
so that you can see where the resistors and diodes should be (although Elecraft 
may have relocated them in later production).  Then you can proceed with the 
CONFIG setting. 73, Paul W8TM  [Elecraft] K3 Problem, VFO Noise While Rotating 
On 10 MetersRandy w9zr at aol.comWed May 19 06:46:18 EDT 2021 When I tune the 
VFO knob on 10 meters I hear a scratching type noise.  This problem only occurs 
on 10.There was an Elecraft mod that addressed this issue for early serial 
number K3's but my K3 is a later  unit with the mod built in at the factory 
during production. Can anyone shed some light on this issue?  I assume that 
this is not normal operation. 73 Randy 
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Re: [Elecraft] [K3] KAT3 not functioning on 6m

[Sverre Holm (LA3ZA)]

This thread saved me. I thought my k3 antenna tuner had malfunctioned on 6 m,
but luckily it was only because it was in Split (Data mode). The erratic
behavior of the ATU and the SWR are quite confusing though as they tell you
nothing about this cause.



-
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] K3: Replacing Headphone Jack

[Rajiv Dewan]

Hello, 

 Installation document for any option that goes in the front panel has the 
front panel disassembly directions.  

One example is the KDVR3.  Here is a link to the manual on the K3 website: 
https://ftp.elecraft.com/K3S/Manuals%20Downloads/E740130%20KDVR3%20Option%20Installation%20Rev%20C.pdf
 


In those instructions, look at pages 6 thru 8 on how to separate the front 
panel from the rest.  In the process, you will also remove the bottom front 
cover which you need to have off to replace the p35 and p30 jumpers.

73 de Raj, N2RD



> On May 12, 2021, at 12:47 PM, Paul Kirley  wrote:
> 
> Dear OM Pete N4ZR,
> 
> Instructions for removing and replacing the K3 front panel assembly are 
> included in the following two Elecraft documents, neither of which I was able 
> to find today on the Elecraft website.  Copies of each are attached for your 
> use, but will of course be stripped from this post before it is sent to the 
> reflector.
> 
> K3_Remove_Replace_DSP_Board_Rev_B.pdf
> replace p35 and p30 on the k3.doc
> 
> When the Elecraft website was rearranged according to type of document 
> (manual, modification, part installation), the manuals for part installation 
> appear to have been removed from the website.  As far as I can tell, this is 
> the case both for the parts no longer available and also for those still 
> available, like the front panel gold pins p35 and p30.
> 
> I expect that paper instructions accompany those parts still available, just 
> as they did when the instructions were also downloadable.
> 
> 73, Paul W8TM
> 
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Re: [Elecraft] K3 s/n 2274 update to new synthesizer board

[JOHN LAWRENCE via Elecraft]

Hi Don
I was thinking of you when making this inquiry.  Thank you!  
I’m also changing K3 to other changes: usb io, plus adding the 2 meter and GPS 
boards aimed at the digital mode use.  
Awaiting last K3 update production boards to arrive in June.  
Again thanks for tip on synthesizer board washers when removing the old board.  
73,
John Lawrence W1QS







Sent from the all new Aol app for iOS


On Monday, May 10, 2021, 11:29 AM, Don Wilhelm  wrote:

John,

Yes, there are lockwashers behind the board - when removing the old 
synth, do not initially remove the screws completely - loosen them until 
they are almost out, then tilt the board toward the rear and push the 
lockwashers up against the old synth board.
Now you can fully remove the screws without dropping the lockwashers 
(they will stay on the screws if you are careful)

73,
Don W3FPR

On 5/10/2021 10:54 AM, JOHN LAWRENCE via Elecraft wrote:
> Hi
> any hands on experiences detail that might be useful if I do it myself when 
> the kit arrives.  Thanks
> John, W1QS
>
>
>




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Re: [Elecraft] K3: Replacing Headphone Jack

[N4ZR]

Thanks, Brian, for providing the answer.

73, Pete N4ZR
Check out the new Reverse Beacon Network
web server at .
For spots, please use your favorite
"retail" DX cluster.

On 5/11/2021 4:13 PM, Brian Moran wrote:

Answering the question you posed: check the installation instructions for the 
DVR or other accessory that attaches to the front panel. That usually includes 
the steps necessary to disassemble the K3.

Brian N9ADG


Sent via iPhone


On May 11, 2021, at 11:40 AM, N4ZR  wrote:

I'm about to replace the headphone jack on my K3 - the first two times it 
failed I had Elecraft do it while it was back there other work, but this time, 
it's otherwise FB, and I have the part, so...

I can probably reverse-engineer the removal of the front panel from the 
original construction manual, but thought I'd ask first whether there might, 
perhaps, be an easier way when working on a completed  and working rig.

--
73, Pete N4ZR
Check out the new Reverse Beacon Network
web server at .
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] K3: Replacing Headphone Jack

[Dave Cole]

I used a Genovation external key pad to fire macros at things K3 
related...  That way I don't need a software package to fire the macros 
off...




73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 5/11/21 11:47 AM, Jim McDonald wrote:

To reduced wear on the headphone jacks, I leave my headphones plugged in all 
the time, both the front and rear panel jacks.  I turn the speakers on and off 
with a macro:

MN097;UP;MN255;

I have the macro available in three (!) places:

DXLab's Commander
K-Pod
Win4K3Suite

For that matter, I don't use the front panel controls very much, instead using 
the K-Pod, logging programs, or Win4K3Suite.

73,  Jim N7US

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of N4ZR
Sent: Tuesday, May 11, 2021 13:39
To: Elecraft List 
Subject: [Elecraft] K3: Replacing Headphone Jack

I'm about to replace the headphone jack on my K3 - the first two times it 
failed I had Elecraft do it while it was back there other work, but this time, 
it's otherwise FB, and I have the part, so...

I can probably reverse-engineer the removal of the front panel from the 
original construction manual, but thought I'd ask first whether there might, 
perhaps, be an easier way when working on a completed  and working rig.

--
73, Pete N4ZR
Check out the new Reverse Beacon Network web server at 
.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] K3: Replacing Headphone Jack

[Dave Cole]

I do about the same, I feed the headset from the rear of the K3.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 5/11/21 11:47 AM, Jim McDonald wrote:

To reduced wear on the headphone jacks, I leave my headphones plugged in all 
the time, both the front and rear panel jacks.  I turn the speakers on and off 
with a macro:

MN097;UP;MN255;

I have the macro available in three (!) places:

DXLab's Commander
K-Pod
Win4K3Suite

For that matter, I don't use the front panel controls very much, instead using 
the K-Pod, logging programs, or Win4K3Suite.

73,  Jim N7US

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of N4ZR
Sent: Tuesday, May 11, 2021 13:39
To: Elecraft List 
Subject: [Elecraft] K3: Replacing Headphone Jack

I'm about to replace the headphone jack on my K3 - the first two times it 
failed I had Elecraft do it while it was back there other work, but this time, 
it's otherwise FB, and I have the part, so...

I can probably reverse-engineer the removal of the front panel from the 
original construction manual, but thought I'd ask first whether there might, 
perhaps, be an easier way when working on a completed  and working rig.

--
73, Pete N4ZR
Check out the new Reverse Beacon Network web server at 
.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] K3: Replacing Headphone Jack

[Jim McDonald]

To reduced wear on the headphone jacks, I leave my headphones plugged in all 
the time, both the front and rear panel jacks.  I turn the speakers on and off 
with a macro:

MN097;UP;MN255;

I have the macro available in three (!) places:

DXLab's Commander
K-Pod
Win4K3Suite

For that matter, I don't use the front panel controls very much, instead using 
the K-Pod, logging programs, or Win4K3Suite.

73,  Jim N7US

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of N4ZR
Sent: Tuesday, May 11, 2021 13:39
To: Elecraft List 
Subject: [Elecraft] K3: Replacing Headphone Jack

I'm about to replace the headphone jack on my K3 - the first two times it 
failed I had Elecraft do it while it was back there other work, but this time, 
it's otherwise FB, and I have the part, so...

I can probably reverse-engineer the removal of the front panel from the 
original construction manual, but thought I'd ask first whether there might, 
perhaps, be an easier way when working on a completed  and working rig.

--
73, Pete N4ZR
Check out the new Reverse Beacon Network web server at 
.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] K3 (S) Weird Main RX issue

[Udo Langenohl - DK5YA]

Thanks to all so many who replied, also off list.

I found the K1 relay on the SUBIN board to be faulty. Ordered a new one 
and will see what happens after.


73 Udo, DK5YA

hashtag: #cantwaituntilmyK4arrives

Am 08.05.2021 um 10:55 schrieb Udo Langenohl - DK5YA:

Gentleman,

I have a problem with the main receiver on one of my K3s. The main 
receiver is between 6 and 8dB worse than the second receiver. The stupid 
thing about it: it is not always like that, but the poor sensitivity 
comes sometimes creeping or sometimes suddenly. It seems to have 
something to do with the transmit / receive switching. I checked this 
very carefully with an HP8664A signal generator and a spectrum analyzer. 
Sometimes both receivers are exactly the same, then the main receiver 
slowly gets worse and worse (within a minute the amplification drops by 
6-8dB) sometimes it happens immediately after switching from RX to TX 
and back. Then it happens that after switching from RX to TX and back 
again, both receivers are the same again. It can also happen that the 
main receiver is initially 8dB worse than the second receiver, but 
without RX / TX switching the missing 6-8dB are suddenly there again - 
in the middle of receiving mode, without switching. So it's intermittent 
and it drives me crazy not to find out what's going on. Is that another 
bad pin diode somewhere in the main receiver and if so: which one? Maybe 
someone has an idea? Help is very much appreciated.


This is a K3 #56xx with all features and all upgrades so its more or 
less a K3S rather than an K3.


73 Udo, DK5YA
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Re: [Elecraft] K3: KTCXO-3 Compatible Elecraft K3 TCXO 1 PPM High Stability Ref. Osc. Compatible

[Hank via Elecraft]

They are no longer available from Elecraft based on an email I received several 
weeks ago when calling to ask for a replacement. I sent my K3s in for an 
upgrade and to be generally looked over last year. I had already installed the 
KTCXO-3 crystal new from Elecraft earlier but was still having frequency drift 
issues. The factory replaced that one with a new one and upon return it began 
to drift. Without an external reference connected - I have to change the ref 
frequency almost every time I use the radio. 

2 meters is so bad on SSB that it is unusable. 

I have switched back to the original crystal that came with the rig new in 
2018. It is much better and I can use my rig for outings like field day or 
training exercises without a reference signal. 

For the money spent on a new rig in 2018 (which was the single most expensive 
ham radio purchase I have ever made and the first and only new Desktop HF 
transceiver I have ever owned) I am not happy that I can’t even get simple 
parts for repair less than 3 years later.  If I knew a new model was 
approaching I would have waited. 

The factory has given me 2 options: use the original crystal which I am doing 
and the performance is ok, or take my KTCXO-3 and tweak it with a screwdriver 
to get it back closer to the reference frequency. 

I have done the first because I can’t do the later. 2 meter SSB is still a 
little off with the old crystal. 

I feet certain that my KTCXO-3 is bad and no amount of tweaking will allow it 
to be stable so sending back to the factory again probably will do no good. 

Some days I wish I had still had my IC-7610/7700 combo :-(

Hank
K4HYJ. 


> On May 10, 2021, at 10:12 PM, Mark Goldberg  wrote:
> 
> 
> Most Hams do not have the test equipment to measure phase noise. The big 
> issue is 49.380 MHz is an unusual frequency and probably a custom order 
> frequency standard. The knockoff makers generally don't spend for a custom 
> part. They take a standard TCXO and generate that frequency using a crappy 
> PLL based synthesizer with high phase noise and lots of spurs. I have not 
> tested this particular type (Elecraft replacement) though. Others I tested 
> were awful. The result would be more interference between radios that are 
> physically close to each other and on the same band. such as contest and 
> Dxpedition stations. The low phase noise is a big reason that Elecrafts are 
> prized for such applications. Both RX and TX are affected.
> 
> I make replacement TCXOs for Kenwood TS-590s. They also use an unusual 
> frequency but I was able to get a TCXO chip supplier to provide me a custom 
> frequency chip that I had to buy in some quantity. That allowed me to produce 
> a quality product, although things are upside down now with the component 
> shortages in the industry. If huge companies like auto makers and a company 
> with a decent volume like Elecraft have part procurement problems, you can 
> imagine how bad it is for a really small fry like myself.
> 
> Has Elecraft stated why they are no longer available? I have not checked with 
> my supplier recently, but I expect there would be no interest in low volume 
> runs when demand can't be met for their high volume parts.
> 
> 73,
> 
> Mark
> W7MLG
> 
> 
> 
> 
> 
>> On Mon, May 10, 2021 at 5:58 PM Hank via Elecraft  
>> wrote:
>> I was thinking the same thing.  Several posters here said that the phase 
>> noise created was worse than the Elecraft part.  I do not understand enough 
>> about the process to understand how that works.  I keep hoping someone will 
>> buy one and try it out - and test the phase noise!
>> 
>> Hank
>> K4HYJ
>> 
>> 
>> - Original Message -
>> From: RVZ via Elecraft (elecraft@mailman.qth.net)
>> Date: 05/10/21 19:27
>> To: elecraft@mailman.qth.net
>> Subject: [Elecraft] K3: KTCXO-3 Compatible Elecraft K3 TCXO 1 PPM High 
>> Stability Ref. Osc. Compatible
>> 
>> I'm interested in adding a KTCXO-3 to my K3S.  Since Elecraft no longer 
>> sells them I'm wondering if anyone has purchased one of the Chinese versions 
>> being sold on eBay and if so how it worked?  
>> https://www.ebay.com/itm/182814802678
>> 
>> Tnx & 73, Dick- K9OM 
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Re: [Elecraft] K3: KTCXO-3 Compatible Elecraft K3 TCXO 1 PPM High Stability Ref. Osc. Compatible

[Mark Goldberg]

Most Hams do not have the test equipment to measure phase noise. The big
issue is 49.380 MHz is an unusual frequency and probably a custom order
frequency standard. The knockoff makers generally don't spend for a custom
part. They take a standard TCXO and generate that frequency using a crappy
PLL based synthesizer with high phase noise and lots of spurs. I have not
tested this particular type (Elecraft replacement) though. Others I tested
were awful. The result would be more interference between radios that are
physically close to each other and on the same band. such as contest and
Dxpedition stations. The low phase noise is a big reason that Elecrafts are
prized for such applications. Both RX and TX are affected.

I make replacement TCXOs for Kenwood TS-590s. They also use an unusual
frequency but I was able to get a TCXO chip supplier to provide me a custom
frequency chip that I had to buy in some quantity. That allowed me to
produce a quality product, although things are upside down now with the
component shortages in the industry. If huge companies like auto makers and
a company with a decent volume like Elecraft have part procurement
problems, you can imagine how bad it is for a really small fry like myself.

Has Elecraft stated why they are no longer available? I have not checked
with my supplier recently, but I expect there would be no interest in low
volume runs when demand can't be met for their high volume parts.

73,

Mark
W7MLG





On Mon, May 10, 2021 at 5:58 PM Hank via Elecraft 
wrote:

> I was thinking the same thing.  Several posters here said that the phase
> noise created was worse than the Elecraft part.  I do not understand enough
> about the process to understand how that works.  I keep hoping someone will
> buy one and try it out - and test the phase noise!
>
> Hank
> K4HYJ
>
>
> - Original Message -
> From: RVZ via Elecraft (elecraft@mailman.qth.net)
> Date: 05/10/21 19:27
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] K3: KTCXO-3 Compatible Elecraft K3 TCXO 1 PPM High
> Stability Ref. Osc. Compatible
>
> I'm interested in adding a KTCXO-3 to my K3S.  Since Elecraft no longer
> sells them I'm wondering if anyone has purchased one of the Chinese
> versions being sold on eBay and if so how it worked?
> https://www.ebay.com/itm/182814802678
>
> Tnx & 73, Dick- K9OM
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Re: [Elecraft] K3 s/n 2274 update to new synthesizer board

[Bill Frantz]

When I upgraded my synths, the big problem was getting the TMP 
connectors correctly replugged. The manual said where to run 
them, but getting them reliably plugged in was my problem. You 
need to get the center conductor to slip smoothly into the 
socket. Then the rest of the connector will go in easily.


73 Bill AE6JV

On 5/10/21 at 10:54 AM, elecraft@mailman.qth.net (JOHN LAWRENCE 
via Elecraft) wrote:



Hi 
any hands on experiences detail that might be useful if I do 
it myself when the kit arrives.  Thanks

John, W1QS


---
Bill Frantz|"We used to quip that "password" is the most common
408-348-7900   | password. Now it's 'password1.' Who said 
users haven't

www.pwpconsult.com | learned anything about security?" -- Bruce Schneier

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Re: [Elecraft] K3: KTCXO-3 Compatible Elecraft K3 TCXO 1 PPM High Stability Ref. Osc. Compatible

[Hank via Elecraft]

I was thinking the same thing.  Several posters here said that the phase noise 
created was worse than the Elecraft part.  I do not understand enough about the 
process to understand how that works.  I keep hoping someone will buy one and 
try it out - and test the phase noise!

Hank
K4HYJ


- Original Message -
From: RVZ via Elecraft (elecraft@mailman.qth.net)
Date: 05/10/21 19:27
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3: KTCXO-3 Compatible Elecraft K3 TCXO 1 PPM High 
Stability Ref. Osc. Compatible

I'm interested in adding a KTCXO-3 to my K3S.  Since Elecraft no longer sells 
them I'm wondering if anyone has purchased one of the Chinese versions being 
sold on eBay and if so how it worked?  https://www.ebay.com/itm/182814802678

Tnx & 73, Dick- K9OM 
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Re: [Elecraft] K3 (S) Weird Main RX issue DK5YA

[Keith Trinity WE6R]

OK, that info helps.
Does the Sub receiver also suffer when sharing the main?
There is a 3db splitter when you share the main antenna, so you should 
see that drop in both receives.
When the sub is on AUX antenna, it is using the coax straight out the 
back of the sub receiver to either the Aux BNC or to the ATU where it 
would use the OTHER antenna (from the main).


So, when the Sub is using MAIN, is it also down?

The 3db splitter is on the little Sub-In board at the back of the sub 
receiver, there could be a bad connection there, the relay or solder on 
the little wires to the transformer, or cracked solder joint on 
something like the little black choke-coil.


If both suffer when using the main, it could also be D25, just shotgun 
replace it.
Look for damaged parts on that little daughter board next to D25, BSF 
(Band Stop Filter).
It could also be something on the KXV3 transverter interface, you can 
pull and put two jumpers per the silkscreen. If it has the old single 
3-legged D5, shotgun replace that.

Keith WE6R Elecraft K3/K4 Tech


On 5/10/2021 9:32 AM, Udo DK5YA wrote:

Hello Keith,

thanks for your kind answer. I don't think that KPAIO3 is the suspect 
since it also happens at the TVTR RX input. I.e. when I feed exactly 
the same amount of HF to the TVTR input and AUX from the signal 
generator and hit diversity 6-8 DB are missing intermittent at the 
main RX.


73 Udo DK5YA

10.05.2021 17:53:49 Keith Trinity WE6R :

Hi Udo;
In addition to what N6TV suggested, also click above and below
12Watts.
You will hear the relay on the KPAIO3 riser board click.
Do that when the main RX is down, or click it a bunch to see if
you can force the problem.
If so, replace that relay.
Keith WE6R Elecraft K3/K4 Tech

Does rotating the MAIN RF GAIN knob back and forth make any difference?  Or
tapping the ANT or RX ANT buttons a lot to exercise the antenna relays?

I assume both receivers are listening to ANT1, and nothing is connected to
AUX RF or RX ANT.

What happens if you move the coax to ANT2?

73,
Bob, N6TV


On Sat, May 8, 2021 at 1:55 AM Udo Langenohl - DK5YA http://mailman.qth.net/mailman/listinfo/elecraft>> wrote:

>/Gentleman, />//>/I have a problem with the main receiver on one of my K3s. 
The main />/receiver is between 6 and 8dB worse than the second receiver. The
stupid />/thing about it: it is not always like that, but the poor sensitivity 
/>/comes sometimes creeping or sometimes suddenly. It seems to have />/something 
to do with the transmit / receive switching. I checked
this />/very carefully with an HP8664A signal generator and a spectrum
analyzer. />/Sometimes both receivers are exactly the same, then the main
receiver />/slowly gets worse and worse (within a minute the amplification
drops by />/6-8dB) sometimes it happens immediately after switching from RX
to TX />/and back. Then it happens that after switching from RX to TX and
back />/again, both receivers are the same again. It can also happen that
the />/main receiver is initially 8dB worse than the second receiver, but 
/>/without RX / TX switching the missing 6-8dB are suddenly there
again - />/in the middle of receiving mode, without switching. So it's
intermittent />/and it drives me crazy not to find out what's going on. Is 
that
another />/bad pin diode somewhere in the main receiver and if so: which
one? Maybe />/someone has an idea? Help is very much appreciated. />//>/This is a K3 
#56xx with all features and all upgrades so its more or />/less a K3S rather than an K3. 
/>//>/73 Udo, DK5YA/



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Re: [Elecraft] K3/K3s keying with bugs, ponderings

[John Oppenheimer]

Hi Roy,

A question best answered with a measurement. Appended to:
https://www.kn5l.net/debounce555/

is waveform for a Bug running just under 40WPM. One small weight at
fastest setting.

John KN5L

On 5/10/21 11:17 AM, Roy wrote:
> Relating to contact bounce, I wonder what the typical length of a bounce 
> is? We hear QRQ stations operating at 60+ wpm all the time. If Elecraft 
> designed to smooth out such short "dots" from semi-auto key bounce, then 
> perhaps a K4 would not allow 70+ wpm speeds to be sent either?
> 
> 73,  Roy   K6XK
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Re: [Elecraft] K3/K3s keying with bugs, ponderings

[Walter Underwood]

>From a quick search, contact bounce appears to last less than 10 ms, which is 
>similar to the rise time for a CW signal. Dit duration at 70 wpm should be 17 
>ms. Debounce should be similar to shaping the rise time. 70 wpm is certainly 
>close to the limit, even for the signal shaping.

https://www.eejournal.com/article/ultimate-guide-to-switch-debounce-part-4/ 

https://morsecode.world/international/timing.html 


wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 10, 2021, at 9:17 AM, Roy  wrote:
> 
> Relating to contact bounce, I wonder what the typical length of a bounce is? 
> We hear QRQ stations operating at 60+ wpm all the time. If Elecraft designed 
> to smooth out such short "dots" from semi-auto key bounce, then perhaps a K4 
> would not allow 70+ wpm speeds to be sent either?
> 
> 73,  Roy   K6XK
> 
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Re: [Elecraft] K3 (S) Weird Main RX issue DK5YA

[Keith Trinity WE6R]

Hi Udo;
In addition to what N6TV suggested, also click above and below 12Watts.
You will hear the relay on the KPAIO3 riser board click.
Do that when the main RX is down, or click it a bunch to see if you can 
force the problem.

If so, replace that relay.
Keith WE6R Elecraft K3/K4 Tech

Does rotating the MAIN RF GAIN knob back and forth make any difference?  Or
tapping the ANT or RX ANT buttons a lot to exercise the antenna relays?

I assume both receivers are listening to ANT1, and nothing is connected to
AUX RF or RX ANT.

What happens if you move the coax to ANT2?

73,
Bob, N6TV


On Sat, May 8, 2021 at 1:55 AM Udo Langenohl - DK5YA http://mailman.qth.net/mailman/listinfo/elecraft>> wrote:


/Gentleman, />//>/I have a problem with the main receiver on one of my K3s. The main />/receiver is between 6 and 
8dB worse than the second receiver. The stupid />/thing about it: it is not always like that, but the poor sensitivity 
/>/comes sometimes creeping or sometimes suddenly. It seems to have />/something to do with the transmit / receive 
switching. I checked this />/very carefully with an HP8664A signal generator and a spectrum analyzer. />/Sometimes 
both receivers are exactly the same, then the main receiver />/slowly gets worse and worse (within a minute the 
amplification drops by />/6-8dB) sometimes it happens immediately after switching from RX to TX />/and back. Then it 
happens that after switching from RX to TX and back />/again, both receivers are the same again. It can also happen that 
the />/main receiver is initially 8dB worse than the second receiver, but />/without RX / TX switching the missing 
6-8dB are suddenly there again - />/in the middle of receivin

g mode, without switching. So it's intermittent />/and it drives me crazy not to find out what's 
going on. Is that another />/bad pin diode somewhere in the main receiver and if so: which one? 
Maybe />/someone has an idea? Help is very much appreciated. />//>/This is a K3 #56xx with all 
features and all upgrades so its more or />/less a K3S rather than an K3. />//>/73 Udo, DK5YA/

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Re: [Elecraft] K3 s/n 2274 update to new synthesizer board

[Don Wilhelm]

John,

Yes, there are lockwashers behind the board - when removing the old 
synth, do not initially remove the screws completely - loosen them until 
they are almost out, then tilt the board toward the rear and push the 
lockwashers up against the old synth board.
Now you can fully remove the screws without dropping the lockwashers 
(they will stay on the screws if you are careful)


73,
Don W3FPR

On 5/10/2021 10:54 AM, JOHN LAWRENCE via Elecraft wrote:

Hi
any hands on experiences detail that might be useful if I do it myself when the 
kit arrives.  Thanks
John, W1QS





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Re: [Elecraft] K3 (S) Weird Main RX issue

[Bob Wilson, N6TV]

Does rotating the MAIN RF GAIN knob back and forth make any difference?  Or
tapping the ANT or RX ANT buttons a lot to exercise the antenna relays?

I assume both receivers are listening to ANT1, and nothing is connected to
AUX RF or RX ANT.

What happens if you move the coax to ANT2?

73,
Bob, N6TV


On Sat, May 8, 2021 at 1:55 AM Udo Langenohl - DK5YA  wrote:

> Gentleman,
>
> I have a problem with the main receiver on one of my K3s. The main
> receiver is between 6 and 8dB worse than the second receiver. The stupid
> thing about it: it is not always like that, but the poor sensitivity
> comes sometimes creeping or sometimes suddenly. It seems to have
> something to do with the transmit / receive switching. I checked this
> very carefully with an HP8664A signal generator and a spectrum analyzer.
> Sometimes both receivers are exactly the same, then the main receiver
> slowly gets worse and worse (within a minute the amplification drops by
> 6-8dB) sometimes it happens immediately after switching from RX to TX
> and back. Then it happens that after switching from RX to TX and back
> again, both receivers are the same again. It can also happen that the
> main receiver is initially 8dB worse than the second receiver, but
> without RX / TX switching the missing 6-8dB are suddenly there again -
> in the middle of receiving mode, without switching. So it's intermittent
> and it drives me crazy not to find out what's going on. Is that another
> bad pin diode somewhere in the main receiver and if so: which one? Maybe
> someone has an idea? Help is very much appreciated.
>
> This is a K3 #56xx with all features and all upgrades so its more or
> less a K3S rather than an K3.
>
> 73 Udo, DK5YA
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Re: [Elecraft] k3 STEPPIR 6Meters

[Jim Brown]

On 5/2/2021 5:42 AM, Joe Subich, W4TV wrote:

That modification is by GM3SEK (about 2015).


Yes, I remember that, and it looked good.

73, Jim K9YC

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Re: [Elecraft] k3 STEPPIR 6Meters

[Joe Subich, W4TV]

In my design, you can make the changes to a steppir on a tower if you
can reach your passive 6M element.   You don't have to order any
parts to make this work.

The GM3SEK modification can also be made "on the tower" as both the
new elements are less than 4 feet from the mast.  Ian spent considerable
time modelling and working on an element mounting system to provide
stable operation with changing weather.

73,

   ... Joe, W4TV


On 2021-05-02 10:42 AM, Michael Walker wrote:

I added the 6M element and wasn't happy with the performance.

I remodelled it and I was able to improve a number of things and posted the
measurements on my QRZ page if you are interested.

Not only did it model better it performed better and loaded better as the
SWR was lower.   A bunch of  my friends tried it and they were pleased with
it as well.

In my design, you can make the changes to a steppir on a tower if you can
reach your passive 6M element.   You don't have to order any parts to make
this work.

This was for the 3EL Steppir.

Mike va3mw


On Sun, May 2, 2021 at 8:42 AM Joe Subich, W4TV  wrote:


On 2021-05-02 3:59 AM, turnbull wrote:> Dear OMs and YLs,I believe if
you check online there is a

modification to mounting the additional parasitic element possibly
even adding yet another which is supposed to greatly improve the
three element SteppIR six meter performance over that of the three
element with the single parasitic element.

That modification is by GM3SEK (about 2015).  I believe is was in one
of the UK publications.  In any case, Doug is correct, the modification
adds both a director and reflector turning the 3 element SteppIR into
a proper four element yagi on a 12.5 foot boom.

73,

 ... Joe, W4TV


On 2021-05-02 3:59 AM, turnbull wrote:

Dear OMs and YLs,I believe if you check online there is a modification

to mounting the additional parasitic element possibly even adding yet
another which is supposed to greatly improve the three element SteppIR six
meter performance over that of the three element with the single parasitic
element.As I have a four element SteppIR, this has not been tried
here.Worth investigating.73 Doug EI2CNSent from my Galaxy




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Re: [Elecraft] k3 STEPPIR 6Meters

[Dr. William J. Schmidt]

There is always an ongoing discussion about this in the SteppIR forum on
groups.io.  The key to making the SteppIR antennas anything more than
pathetic on 6M is adding a fixed reflector.  Some in the group have modeled
and developed 6M antennas on the same boom that rival commercial monobanders
on the same length using only the original driven element as being
adjustable. 


Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ 


-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Joe Subich, W4TV
Sent: Sunday, May 2, 2021 7:42 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] k3 STEPPIR 6Meters

On 2021-05-02 3:59 AM, turnbull wrote:> Dear OMs and YLs,I believe if you
check online there is a
> modification to mounting the additional parasitic element possibly 
> even adding yet another which is supposed to greatly improve the three 
> element SteppIR six meter performance over that of the three element 
> with the single parasitic element.
That modification is by GM3SEK (about 2015).  I believe is was in one of the
UK publications.  In any case, Doug is correct, the modification adds both a
director and reflector turning the 3 element SteppIR into a proper four
element yagi on a 12.5 foot boom.

73,

... Joe, W4TV


On 2021-05-02 3:59 AM, turnbull wrote:
> Dear OMs and YLs,I believe if you check online there is a modification 
> to mounting the additional parasitic element possibly even adding yet 
> another which is supposed to greatly improve the three element SteppIR 
> six meter performance over that of the three element with the single 
> parasitic element.As I have a four element SteppIR, this has not been 
> tried here.Worth investigating.73 Doug EI2CNSent from my Galaxy


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Re: [Elecraft] k3 STEPPIR 6Meters

[Michael Walker]

I added the 6M element and wasn't happy with the performance.

I remodelled it and I was able to improve a number of things and posted the
measurements on my QRZ page if you are interested.

Not only did it model better it performed better and loaded better as the
SWR was lower.   A bunch of  my friends tried it and they were pleased with
it as well.

In my design, you can make the changes to a steppir on a tower if you can
reach your passive 6M element.   You don't have to order any parts to make
this work.

This was for the 3EL Steppir.

Mike va3mw


On Sun, May 2, 2021 at 8:42 AM Joe Subich, W4TV  wrote:

> On 2021-05-02 3:59 AM, turnbull wrote:> Dear OMs and YLs,I believe if
> you check online there is a
> > modification to mounting the additional parasitic element possibly
> > even adding yet another which is supposed to greatly improve the
> > three element SteppIR six meter performance over that of the three
> > element with the single parasitic element.
> That modification is by GM3SEK (about 2015).  I believe is was in one
> of the UK publications.  In any case, Doug is correct, the modification
> adds both a director and reflector turning the 3 element SteppIR into
> a proper four element yagi on a 12.5 foot boom.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 2021-05-02 3:59 AM, turnbull wrote:
> > Dear OMs and YLs,I believe if you check online there is a modification
> to mounting the additional parasitic element possibly even adding yet
> another which is supposed to greatly improve the three element SteppIR six
> meter performance over that of the three element with the single parasitic
> element.As I have a four element SteppIR, this has not been tried
> here.Worth investigating.73 Doug EI2CNSent from my Galaxy
>
>
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Re: [Elecraft] k3 STEPPIR 6Meters

[Joe Subich, W4TV]

On 2021-05-02 3:59 AM, turnbull wrote:> Dear OMs and YLs,I believe if 
you check online there is a
modification to mounting the additional parasitic element possibly 
even adding yet another which is supposed to greatly improve the 
three element SteppIR six meter performance over that of the three 
element with the single parasitic element.

That modification is by GM3SEK (about 2015).  I believe is was in one
of the UK publications.  In any case, Doug is correct, the modification
adds both a director and reflector turning the 3 element SteppIR into
a proper four element yagi on a 12.5 foot boom.

73,

   ... Joe, W4TV


On 2021-05-02 3:59 AM, turnbull wrote:

Dear OMs and YLs,I believe if you check online there is a modification to 
mounting the additional parasitic element possibly even adding yet another 
which is supposed to greatly improve the three element SteppIR six meter 
performance over that of the three element with the single parasitic element.As 
I have a four element SteppIR, this has not been tried here.Worth 
investigating.73 Doug EI2CNSent from my Galaxy



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Re: [Elecraft] k3 STEPPIR 6Meters

[turnbull]

Dear OMs and YLs,I believe if you check online there is a modification to 
mounting the additional parasitic element possibly even adding yet another 
which is supposed to greatly improve the three element SteppIR six meter 
performance over that of the three element with the single parasitic element.As 
I have a four element SteppIR, this has not been tried here.Worth 
investigating.73 Doug EI2CNSent from my Galaxy
 Original message From: Frederick Dwight  
Date: 02/05/2021  05:08  (GMT+00:00) To: elecraft@mailman.qth.net Subject: 
[Elecraft] k3 STEPPIR 6Meters Sent from Mail for Windows 10If you do not have 
the added 6 meter element it should be a worthwhile addition.  I think it makes 
the 3 element antenna a 4 element antenna on 6 meters and greatly improves the 
F/B ratio and adds a small gain.  I have not added thisto my Yagi, since I 
seldom have operated on 6 meters, but it looks like it may be possible to add 
it to the boomfrom the top of the tower without much trouble since it is not 
too far out from the mast.  At one time I think the costwas less than $100, but 
probably you could build your own element if you have aluminum scrap antennas.  
  Just an idea, since every dB helps.  Rick  
KL7CW__Elecraft 
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Re: [Elecraft] k3 STEPPIR 6Meters

[Jim Brown]

On 5/1/2021 9:05 PM, Frederick Dwight wrote:

If you do not have the added 6 meter element it should be a worthwhile 
addition.  I think it makes the 3 element antenna
a 4 element antenna on 6 meters and greatly improves the F/B ratio and adds a 
small gain.


Yes, if you can't afford (or can't rig) a dedicated 6M antenna, the 3-el 
with the added director is a decent, but not great, antenna. I had a lot 
fun with it. The 7-el G0KSC LFA I added a year ago is a very nice 
improvement if you're serious about 6M. :)


73, Jim K9YC
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Re: [Elecraft] K3 Chirp - K3SYN Board

[Dana Roode K6NR]

It shouldn't really be a surprise, but a number of folks have extra KSYN3
boards after they upgraded to KSYN3A.  I am sorting through the email
offers, but looks like I will have no  trouble finding one.

  Dana


On Sat, May 1, 2021 at 12:39 PM Dana Roode K6NR 
wrote:

> The cause of my chirp is my K3SYN board; the intermittent nature was
> purely related to what frequency I was on.  Turns out when I was on
> 14044.74, plus or minus a little, the chirp was there, even when I was
> transmitting at a few watts out.  I did the Config VCO Cal procedure Wayne
> mentioned, didn't fix the problem, nor did reseating the board and doing
> the procedure again.  There is a mod from 2010 or so to correct a problem
> like this, but my board already has this done (r20 is 25 ohms not 50).  I
> have an older K3, and I moved its K3SYN board to the newer K3, seems to
> work fine, no chirp.  Meanwhile, I put the odd K3SYN in the older K3 and
> the chirp is there, same frequency.
>
> I'm not sure if I caused other issues when I swapped the boards, so if you
> hear me on, drop me an email to let me know how its sounding.  The older
> board doesn't have the metal plate stiffener on it, nor does it have the
> 2010 mod.
>
> Meanwhile, I'm in the market for a K3SYN board.  Don't know if elecraft
> has them as spare parts or can repair the one I have.  Will have to ask.
>
>   Dana
>
>
> On Fri, Apr 30, 2021 at 10:44 AM Dana Roode K6NR 
> wrote:
>
>> Let me give this another try.  Anyone out there ever have an issue with a
>> CW Chirp from a K3?   Mine seems to be intermittent, it's not always
>> present.  I've got a spare K3, I guess I will drive out to the station and
>> swap out the one there now.  If it's not the power supply, the only other
>> thing I can think of is an issue with the KSYN3 board.  I can try the
>> calibration Wayne mentioned in his 2017 post.
>>
>>   Dana
>>
>>
>> On Wed, Apr 28, 2021 at 5:21 PM Dana Roode K6NR 
>> wrote:
>>
>>> It was reported today by several folks who heard my CW signal that I
>>> have a bad chirp - I was operating on 20 meters during CWT.  I listened to
>>> the signal myself (my station is 80 miles away and I can listen on a local
>>> transceiver).  Someone also sent me a recording.
>>>
>>> I've been using the same K3, KPA1500, and Astron power supply for many
>>> years.  I shut off the amp and could still hear the chirp.
>>>
>>> One thought is that it has something to do with my power supply,
>>> although I saw a previous posting that made that seem unlikely (below).
>>> Wayne mentioned something about KSYSN3 calibration, I had not heard of that
>>> before, I will look into it.
>>>
>>> If anyone has experienced a problem with chirp on a K3, let me know (it
>>> is a K3 not a K3S).
>>>
>>>   Dana
>>>
>>>
>>>
>>> In reply to this post
>>> 
>>> by Doug Smith [W7KF]
>>> Under normal circumstances, it is impossible for a K3 or K3S for exhibit
>>> "chirp." The synthesizer settles well before the rig switches from TX to RX
>>> or vice-versa.
>>>
>>> The KSYN3A (newer synth, used in the K3S) settles in well under 1 ms
>>> thanks to its entirely digital architecture (UHF DSPLL, divided down).
>>>
>>> The KSYN3 (older synth, used on the K3) uses a more traditional PLL with
>>> its VCO running at the target output frequency. It normally settles in
>>> under 5 ms. It can take a bit longer depending on the actual PLL voltage
>>> and VCO frequency. This is accounted for in firmware.
>>>
>>> If your KSYN3 were not properly calibrated, you might see a longer
>>> settling time on one or two bands, most likely 6 meters. If you suspect
>>> this, refer to the CONFIG:VCO MD menu entry. The K3 includes an automatic
>>> VCO calibration routine that requires no test equipment and takes only a
>>> couple of minutes to run.
>>>
>>> Wayne
>>> N6KR
>>>
>>>
>>>
>>> On Jan 19, 2017, at 12:57 PM, "Ron D'Eau Claire" <[hidden email]
>>> >
>>> wrote:
>>>
>>> > In a synthesized VFO rig like the K3S, any tendency to "chirp" is
>>> almost always related to the synthesizer momentarily losing frequency (or
>>> phase) lock.
>>> >
>>> > While that could conceivably be linked to change in the power bus
>>> voltage, it's highly unlikely since the bus is isolated from the actual
>>> synthesizer by voltage regulators and filters.
>>> >
>>> > OTOH, the OO's report was strictly advisory. I have experienced
>>> spurious OO reports over my >50 years of pounding brass, and one that
>>> turned out to be accurate when I blew the filter caps in the transmitter
>>> and did not notice, nor did the stations I was working report the hum on my
>>> signal. When I got a "chirp" report one time (on a homebrew rig) and was
>>> unable to hear it myself, I sent a friendly letter to the OO. He replied
>>> that he was "almost sure" he could detect a "slight chirp" so he sent the
>>> card.
>

Re: [Elecraft] K3 Chirp - K3SYN Board

[Dana Roode K6NR]

The cause of my chirp is my K3SYN board; the intermittent nature was purely
related to what frequency I was on.  Turns out when I was on 14044.74, plus
or minus a little, the chirp was there, even when I was transmitting at a
few watts out.  I did the Config VCO Cal procedure Wayne mentioned, didn't
fix the problem, nor did reseating the board and doing the procedure
again.  There is a mod from 2010 or so to correct a problem like this, but
my board already has this done (r20 is 25 ohms not 50).  I have an older
K3, and I moved its K3SYN board to the newer K3, seems to work fine, no
chirp.  Meanwhile, I put the odd K3SYN in the older K3 and the chirp is
there, same frequency.

I'm not sure if I caused other issues when I swapped the boards, so if you
hear me on, drop me an email to let me know how its sounding.  The older
board doesn't have the metal plate stiffener on it, nor does it have the
2010 mod.

Meanwhile, I'm in the market for a K3SYN board.  Don't know if elecraft has
them as spare parts or can repair the one I have.  Will have to ask.

  Dana


On Fri, Apr 30, 2021 at 10:44 AM Dana Roode K6NR 
wrote:

> Let me give this another try.  Anyone out there ever have an issue with a
> CW Chirp from a K3?   Mine seems to be intermittent, it's not always
> present.  I've got a spare K3, I guess I will drive out to the station and
> swap out the one there now.  If it's not the power supply, the only other
> thing I can think of is an issue with the KSYN3 board.  I can try the
> calibration Wayne mentioned in his 2017 post.
>
>   Dana
>
>
> On Wed, Apr 28, 2021 at 5:21 PM Dana Roode K6NR 
> wrote:
>
>> It was reported today by several folks who heard my CW signal that I have
>> a bad chirp - I was operating on 20 meters during CWT.  I listened to the
>> signal myself (my station is 80 miles away and I can listen on a local
>> transceiver).  Someone also sent me a recording.
>>
>> I've been using the same K3, KPA1500, and Astron power supply for many
>> years.  I shut off the amp and could still hear the chirp.
>>
>> One thought is that it has something to do with my power supply, although
>> I saw a previous posting that made that seem unlikely (below).  Wayne
>> mentioned something about KSYSN3 calibration, I had not heard of that
>> before, I will look into it.
>>
>> If anyone has experienced a problem with chirp on a K3, let me know (it
>> is a K3 not a K3S).
>>
>>   Dana
>>
>>
>>
>> In reply to this post
>> 
>> by Doug Smith [W7KF]
>> Under normal circumstances, it is impossible for a K3 or K3S for exhibit
>> "chirp." The synthesizer settles well before the rig switches from TX to RX
>> or vice-versa.
>>
>> The KSYN3A (newer synth, used in the K3S) settles in well under 1 ms
>> thanks to its entirely digital architecture (UHF DSPLL, divided down).
>>
>> The KSYN3 (older synth, used on the K3) uses a more traditional PLL with
>> its VCO running at the target output frequency. It normally settles in
>> under 5 ms. It can take a bit longer depending on the actual PLL voltage
>> and VCO frequency. This is accounted for in firmware.
>>
>> If your KSYN3 were not properly calibrated, you might see a longer
>> settling time on one or two bands, most likely 6 meters. If you suspect
>> this, refer to the CONFIG:VCO MD menu entry. The K3 includes an automatic
>> VCO calibration routine that requires no test equipment and takes only a
>> couple of minutes to run.
>>
>> Wayne
>> N6KR
>>
>>
>>
>> On Jan 19, 2017, at 12:57 PM, "Ron D'Eau Claire" <[hidden email]
>> >
>> wrote:
>>
>> > In a synthesized VFO rig like the K3S, any tendency to "chirp" is
>> almost always related to the synthesizer momentarily losing frequency (or
>> phase) lock.
>> >
>> > While that could conceivably be linked to change in the power bus
>> voltage, it's highly unlikely since the bus is isolated from the actual
>> synthesizer by voltage regulators and filters.
>> >
>> > OTOH, the OO's report was strictly advisory. I have experienced
>> spurious OO reports over my >50 years of pounding brass, and one that
>> turned out to be accurate when I blew the filter caps in the transmitter
>> and did not notice, nor did the stations I was working report the hum on my
>> signal. When I got a "chirp" report one time (on a homebrew rig) and was
>> unable to hear it myself, I sent a friendly letter to the OO. He replied
>> that he was "almost sure" he could detect a "slight chirp" so he sent the
>> card.
>> >
>> > So my advice is that if you can't repeat what the OO observed, don't
>> worry about it.
>> >
>> > 73, Ron AC7AC
>>
>
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Re: [Elecraft] K3 / KXV3A / PR6 / SteppIR 3L - 6M Operation

[Josh Fiden]

Not upcoming, e season already in progress! Seeing at least single hop every 
day. 

Leave PR6 on all the time. K3 is deaf on 6 without it. 

73
Josh W6XU 

Sent from my mobile device

> On May 1, 2021, at 7:47 AM, Mike Flowers  wrote:
> 
> Hi Folks,
> 
> 
> 
> I recently purchased a used PR6 6-Meter preamp in anticipation of the
> upcoming 6M summer season.
> 
> 
> 
> My K3 has the KXV3A Interface option installed.  I have a K-Line station;
> K3,P3,KAT500,KPA500.
> 
> 
> 
> My 6M antenna is my SteppIR 3L.
> 
> 
> 
> I've downloaded the PR6 and KXV3A manuals, and I'm reading the Elecraft K3
> Owners manual and Fred Cadys K3 manual to understand the signal path for the
> proper use of the PR6 preamp.   This is the first time I've needed to use
> the RX ANT feature on the K3, and there are a lot of ways to configure the
> signal path in the K3, I've discovered.
> 
> 
> 
> My 6M operation is pretty simple.  The SteppIR gives me a 3L yagi on 6M.  I
> have the KAT500 configured to recognize the SteppIR as a resonant 6M antenna
> on ANT1 and the KPA500 gives me a full 500W if I need it.
> 
> 
> 
> I'm looking for guidance for using the PR6 in this configuration, and I will
> appreciate any suggestions and cautions about how to effectively use the PR6
> for my 6M operation.
> 

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Re: [Elecraft] [K3] RTTY Questions

[Wes]

Are you using an external RTTY program, e.g. MMTTY?  If not and you're using the 
internal CW to RTTY feature, I can't help you.  Otherwise I'm assuming audio 
input via Line In.  Baud rate is set in the program.


Make sure the audio drive, set by 1) soundcard level and 2) "Mic" gain, drive 
the ALC indicator to four bars.  Less and the power control loop will try to 
adjust, but it does this slowly. Otherwise it could be a blown final, in either 
of the PAs (regrettably too common) or a mistuned BPF.  I don't know how common 
this is but it happened to mine.


Wes  N7WS

On 4/29/2021 8:18 PM, John Reilly wrote:

I have two K3 questions:
   1. In Data MD, AFSk A, you can set the baud rate to either 45 or 75. Is the 
baud rate just for the RTTY reader? Does it affect anything else?
   2. With my K3s power set to 100w, RTTY starts at a little below 50w and and 
then fairly slowly builds to 100w (measured on an external wattmeter). I've 
done a TX calibration -- no change. What is going on?


Thanks,
  - 73, John, N0TA
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Re: [Elecraft] K3 Chirp

[Dana Roode K6NR]

Let me give this another try.  Anyone out there ever have an issue with a
CW Chirp from a K3?   Mine seems to be intermittent, it's not always
present.  I've got a spare K3, I guess I will drive out to the station and
swap out the one there now.  If it's not the power supply, the only other
thing I can think of is an issue with the KSYN3 board.  I can try the
calibration Wayne mentioned in his 2017 post.

  Dana


On Wed, Apr 28, 2021 at 5:21 PM Dana Roode K6NR 
wrote:

> It was reported today by several folks who heard my CW signal that I have
> a bad chirp - I was operating on 20 meters during CWT.  I listened to the
> signal myself (my station is 80 miles away and I can listen on a local
> transceiver).  Someone also sent me a recording.
>
> I've been using the same K3, KPA1500, and Astron power supply for many
> years.  I shut off the amp and could still hear the chirp.
>
> One thought is that it has something to do with my power supply, although
> I saw a previous posting that made that seem unlikely (below).  Wayne
> mentioned something about KSYSN3 calibration, I had not heard of that
> before, I will look into it.
>
> If anyone has experienced a problem with chirp on a K3, let me know (it is
> a K3 not a K3S).
>
>   Dana
>
>
>
> In reply to this post
> 
> by Doug Smith [W7KF]
> Under normal circumstances, it is impossible for a K3 or K3S for exhibit
> "chirp." The synthesizer settles well before the rig switches from TX to RX
> or vice-versa.
>
> The KSYN3A (newer synth, used in the K3S) settles in well under 1 ms
> thanks to its entirely digital architecture (UHF DSPLL, divided down).
>
> The KSYN3 (older synth, used on the K3) uses a more traditional PLL with
> its VCO running at the target output frequency. It normally settles in
> under 5 ms. It can take a bit longer depending on the actual PLL voltage
> and VCO frequency. This is accounted for in firmware.
>
> If your KSYN3 were not properly calibrated, you might see a longer
> settling time on one or two bands, most likely 6 meters. If you suspect
> this, refer to the CONFIG:VCO MD menu entry. The K3 includes an automatic
> VCO calibration routine that requires no test equipment and takes only a
> couple of minutes to run.
>
> Wayne
> N6KR
>
>
>
> On Jan 19, 2017, at 12:57 PM, "Ron D'Eau Claire" <[hidden email]
> >
> wrote:
>
> > In a synthesized VFO rig like the K3S, any tendency to "chirp" is almost
> always related to the synthesizer momentarily losing frequency (or phase)
> lock.
> >
> > While that could conceivably be linked to change in the power bus
> voltage, it's highly unlikely since the bus is isolated from the actual
> synthesizer by voltage regulators and filters.
> >
> > OTOH, the OO's report was strictly advisory. I have experienced spurious
> OO reports over my >50 years of pounding brass, and one that turned out to
> be accurate when I blew the filter caps in the transmitter and did not
> notice, nor did the stations I was working report the hum on my signal.
> When I got a "chirp" report one time (on a homebrew rig) and was unable to
> hear it myself, I sent a friendly letter to the OO. He replied that he was
> "almost sure" he could detect a "slight chirp" so he sent the card.
> >
> > So my advice is that if you can't repeat what the OO observed, don't
> worry about it.
> >
> > 73, Ron AC7AC
>
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Re: [Elecraft] [K3] RTTY Questions

[Bob Wilson, N6TV]

On Thu, Apr 29, 2021, 8:20 PM John Reilly  wrote:

> I have two K3 questions:
> 1. In Data MD, AFSk A, you can set the baud rate to either 45 or 75.
> Is the baud rate just for the RTTY reader?


Yes

Does it affect anything else?
>

No.

2. With my K3s power set to 100w, RTTY starts at a little below 50w
> and and then fairly slowly builds to 100w (measured on an external
> wattmeter). I've done a TX calibration -- no change. What is going on?


You may have lost a final.  How to confirn (TNX WE6R):

1. Mode: SSB
2. Band: 160m
3. Power: 10W
4. Speak into the microphone and listen on another receiver.
5. Continue speaking while listening on the other receiver and slowly
increasing the power.
6. If the received audio becomes terribly distorted once you get above 13
or 14 watts, it usually means that you need to have the unit repaired to
replace a final.

GL.

73,
Bob, N6TV
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Re: [Elecraft] [K3] RTTY Questions

[Ken K6MR]

My radios only do the power ramp up the first time you transmit after changing 
bands.  Doesn’t take that long though.  Less than one second I would guess.  As 
noted, it’s the power control loop.  Usually it’s not that noticeable.

Ken K6MR

From: John Reilly
Sent: Thursday, April 29, 2021 20:21
To: Elecraft@mailman.qth.net
Subject: [Elecraft] [K3] RTTY Questions

I have two K3 questions:
1. In Data MD, AFSk A, you can set the baud rate to either 45 or 75.
Is the baud rate just for the RTTY reader? Does it affect anything else?
2. With my K3s power set to 100w, RTTY starts at a little below 50w
and and then fairly slowly builds to 100w (measured on an external
wattmeter). I've done a TX calibration -- no change. What is going on?

Thanks,
   - 73, John, N0TA
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Re: [Elecraft] K3 Chirp

[Lou Mecseri]

I love chirps, it reminds of the real good old days when I was young.

We used to be able to recognize station by their distinct chirp.

I heard one station in the recent FQP with one, the chirp give me a very 
warm feeling.


I guess, it does not take much to make an old ham warm and happy.

73, Lou KE1F

On 4/29/2021 00:21, Dana Roode K6NR wrote:

It was reported today by several folks who heard my CW signal that I have a
bad chirp - I was operating on 20 meters during CWT.  I listened to the
signal myself (my station is 80 miles away and I can listen on a local
transceiver).  Someone also sent me a recording.

I've been using the same K3, KPA1500, and Astron power supply for many
years.  I shut off the amp and could still hear the chirp.

One thought is that it has something to do with my power supply, although I
saw a previous posting that made that seem unlikely (below).  Wayne
mentioned something about KSYSN3 calibration, I had not heard of that
before, I will look into it.

If anyone has experienced a problem with chirp on a K3, let me know (it is
a K3 not a K3S).

   Dana



In reply to this post

by Doug Smith [W7KF]
Under normal circumstances, it is impossible for a K3 or K3S for exhibit
"chirp." The synthesizer settles well before the rig switches from TX to RX
or vice-versa.

The KSYN3A (newer synth, used in the K3S) settles in well under 1 ms thanks
to its entirely digital architecture (UHF DSPLL, divided down).

The KSYN3 (older synth, used on the K3) uses a more traditional PLL with
its VCO running at the target output frequency. It normally settles in
under 5 ms. It can take a bit longer depending on the actual PLL voltage
and VCO frequency. This is accounted for in firmware.

If your KSYN3 were not properly calibrated, you might see a longer settling
time on one or two bands, most likely 6 meters. If you suspect this, refer
to the CONFIG:VCO MD menu entry. The K3 includes an automatic VCO
calibration routine that requires no test equipment and takes only a couple
of minutes to run.

Wayne
N6KR



On Jan 19, 2017, at 12:57 PM, "Ron D'Eau Claire" <[hidden email]
>
wrote:


In a synthesized VFO rig like the K3S, any tendency to "chirp" is almost

always related to the synthesizer momentarily losing frequency (or phase)
lock.

While that could conceivably be linked to change in the power bus

voltage, it's highly unlikely since the bus is isolated from the actual
synthesizer by voltage regulators and filters.

OTOH, the OO's report was strictly advisory. I have experienced spurious

OO reports over my >50 years of pounding brass, and one that turned out to
be accurate when I blew the filter caps in the transmitter and did not
notice, nor did the stations I was working report the hum on my signal.
When I got a "chirp" report one time (on a homebrew rig) and was unable to
hear it myself, I sent a friendly letter to the OO. He replied that he was
"almost sure" he could detect a "slight chirp" so he sent the card.

So my advice is that if you can't repeat what the OO observed, don't

worry about it.

73, Ron AC7AC

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Re: [Elecraft] K3/KPA500 question

[Jack Brindle via Elecraft]

Actually, no. The KAT500 does not communicate with the KPA500, only the K3. In 
RADIO=K3 (on the KPA) changing bands on the KPA500 causes the KPA to send a 
special Auxbus message to the K3. The KAT500 cannot receive this message. The 
K3 does a band change, then sends data using normal Auxbus communications to 
the KAT500. Note that the KPA500 only sends data on the Auxbus (only the K3 can 
decode this), while the KAT500 only receives data, and only from the K3.

I _really_ wish the KAT500 and KPA500 could communicate, but unfortunately they 
cannot.

73!
Jack, W6FB


> On Apr 25, 2021, at 1:51 PM, Lou  wrote:
> 
> That also controls the KAT500 when connected.
> 
> 73, Lou KE1F
> 
> On 4/25/2021 4:08 PM, Andy Durbin wrote:
>> "FYI, you can still tap the BAND buttons on the KPA500 to change bands on 
>> the K3, because that uses the AUXBUS line (ACC Pin 2), not the BAND DATA 
>> lines.  Many folks may have never discovered this cool feature of the KPA500 
>> and KPA1500."
>> 
>> I had to write code to put the KPA500 back on the correct band if one of 
>> these band buttons was accidentally pressed.  I wish there was a way to 
>> disable them completely.  One person's cool feature is another's PITA.
>> 
>> Andy, k3wyc
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Re: [Elecraft] K3/KPA500 question

[Bob Wilson, N6TV]

On Tue, Apr 27, 2021 at 8:34 PM Andy Durbin  wrote:

> "It's not clear why this feature of the KPA500 is a "PITA," since the
> majority of users want the rig and the amp. to always be locked to the same
> band.  "
>
> And that is exactly why the band buttons are a PITA - If pressed they
> would ensure that my KPA500 is NOT on the same band as my transmitter.
>

Well, a few milliseconds after you transmit, the KPA500's frequency counter
will automatically switch the KPA500 back to the right band.


> if I want to select bands, I would do it with the TS-590 band buttons
> which each provide a 3 deep frequency/mode stack.
> I don't need any help.  I have effectively defeated the KPA500 band
> buttons but I only added that code after I realized the risk they presented.
>

OK, but for others who may be curious, the KPA500 can automatically track
the band of TS-590S with no computer and no custom code required.  Just a
connect a straight serial cable from the KPA500 *XCVR (RS232)* jack to the
TS-590S *COM* port, and set the KPA500 MENU as follows:

RADIO to SERIAL
RS232X to the baud rate of the TS-590S COM port
SER POLL ON if the TS-590S is the only device connected to the TS-590S COM
PORT
-or-
SER POLL OFF if some other device like an RS232 band decoder is polling the
radio on the TS-590S COM port, in which case both KPA500 and the device can
be connected in parallel to the TS-590S COM port via an RS-232 Y-Cable or
S-BOX.  SER POLL OFF uses a relay to open the TXD pin of the KPA500 RS232
connector, so the usual problems caused by connecting two RS232 devices in
parallel are no problem.


Now the KPA500 will automatically track the band of the TS-590S, as will
an RS232 band decoder or similar.

73,
Bob, N6TV
https://bit.ly/S-BOX
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Re: [Elecraft] K3/KPA500 question

[Andy Durbin]

"It's not clear why this feature of the KPA500 is a "PITA," since the majority 
of users want the rig and the amp. to always be locked to the same band.  "

And that is exactly why the band buttons are a PITA - If pressed they would 
ensure that my KPA500 is NOT on the same band as my transmitter.

I don't have a K3 and the KPA500 band buttons control nothing except the KPA500 
BPF selection.   Yes I could make them change bands on my TS-590S but my 
station control is based on frequency not band.   Also, if I want to select 
bands, I would do it with the TS-590 band buttons which each provide a 3 deep 
frequency/mode stack.

I don't need any help.  I have effectively defeated the KPA500 band buttons but 
I only added that code after I realized the risk they presented.

Andy, k3wyc


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Re: [Elecraft] K3/KPA500 question

[Bob Wilson, N6TV]

OTOH, if you change Radio type from K3 to BCD, and have set the K3
menu *CONFIG:PWR-SET
*to *PER-BAND*, the K3 will no longer be able to recognize when a KPA500 or
KPA1500 is switched from STBY to OPER, so there will effectively be just
one fixed drive power setting stored per band, instead of two power
settings (one for amp in OPER and a second for amp in STBY).

73,
Bob, N6TV


On Tue, Apr 27, 2021 at 8:19 PM Bob Wilson, N6TV  wrote:

> It's not clear why this feature of the KPA500 is a "PITA," since the
> majority of users want the rig and the amp. to always be locked to the same
> band.  However, I suppose it could be a problem in a station where antenna
> switching is all manual rather than automatic.
>
> In that case, one can change the KPA500 "RADIO" menu from "K3" to "BCD",
> and now the band buttons will not change the band of the K3 anymore, but
> the amp. will still follow band changes made by the K3.
>
> Hope that helps.
>
> 73,
> Bob, N6TV
>
> On Sun, Apr 25, 2021 at 1:11 PM Andy Durbin  wrote:
>
>> "FYI, you can still tap the BAND buttons on the KPA500 to change bands on
>> the K3, because that uses the AUXBUS line (ACC Pin 2), not the BAND DATA
>> lines.  Many folks may have never discovered this cool feature of the
>> KPA500 and KPA1500."
>>
>> I had to write code to put the KPA500 back on the correct band if one of
>> these band buttons was accidentally pressed.  I wish there was a way to
>> disable them completely.  One person's cool feature is another's PITA.
>>
>> Andy, k3wyc
>>
>
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Re: [Elecraft] K3/KPA500 question

[Bob Wilson, N6TV]

It's not clear why this feature of the KPA500 is a "PITA," since the
majority of users want the rig and the amp. to always be locked to the same
band.  However, I suppose it could be a problem in a station where antenna
switching is all manual rather than automatic.

In that case, one can change the KPA500 "RADIO" menu from "K3" to "BCD",
and now the band buttons will not change the band of the K3 anymore, but
the amp. will still follow band changes made by the K3.

Hope that helps.

73,
Bob, N6TV

On Sun, Apr 25, 2021 at 1:11 PM Andy Durbin  wrote:

> "FYI, you can still tap the BAND buttons on the KPA500 to change bands on
> the K3, because that uses the AUXBUS line (ACC Pin 2), not the BAND DATA
> lines.  Many folks may have never discovered this cool feature of the
> KPA500 and KPA1500."
>
> I had to write code to put the KPA500 back on the correct band if one of
> these band buttons was accidentally pressed.  I wish there was a way to
> disable them completely.  One person's cool feature is another's PITA.
>
> Andy, k3wyc
>
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Re: [Elecraft] [K3][K2][K1] Legacy Update, Tuneup, Rescue, Build Services

[Alan D. Wilcox]

Thanks, Jim; I appreciate your support.  :)

Alan D. Wilcox, W3DVX (K2-5373, K3-40, SKCC 22955)
570-916-9590 (cell, text)
https://WilcoxEngineering.com
http://www.eham.net/reviews/detail/6768 ... Elecraft Client Comments
http://amazon.com/author/alandwilcox
Williamsport, PA 17701

On 4/27/21 14:33, Jim Brown wrote:

On 4/27/2021 10:41 AM, Ray wrote:

Is this an Advertisement ?


It is an offer of services, long an accepted practice on this reflector.

73, Jim K9YC
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Re: [Elecraft] [K3][K2][K1] Legacy Update, Tuneup, Rescue, Build Services

[Jim Brown]

On 4/27/2021 10:41 AM, Ray wrote:

Is this an Advertisement ?


It is an offer of services, long an accepted practice on this reflector.

73, Jim K9YC
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