Re: [Elecraft] Wait For The K4 Direct RF Sampled SDR?

[Fred Smith]

Yes this is sad being that the 3000 was supposed to have the same receiver
as the 5000 and it did not in fact nowhere near it.

I'm of that yahoo group as well as the 5000 and finally after seeing the QST
numbers they told the story of what I had been hearing. But they all were
saying was how great they were, then I showed them a comparison between base
model K3/100 no options and the 3000 at $500 more and less radio. All they
can say in reply usually is they wanted a big radio without a lot of menu's
well I hate to tell them but the 3000 has a bunch also.




73,Fred/N0AZZ

K3 Ser #'s 6730/5299--KX3 # 2573--K2/100--KAT/100
P3/SVGA--KPA500--KAT500--W2



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Friday, March 15, 2013 8:02 PM
To: Rick Stealey
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Wait For The K4 Direct RF Sampled SDR?

Rick Stealey wrote:

> Speaking of competitive rigs, I see QST just reviewed the FT3000.   
> The number that caught
> my eye (well actually the chart) was composit noise.  A whopping
> -120 dbc at 10 KHz
> and beyond !  Yikes.  The K3 was -140 dbc at 10 KHz and -155 at 100 
> KHz.

Just to clarify for those who aren't used to hearing these numbers,
-140 dBc phase noise is significantly better than -120 dBc. It could mean
the difference between having two transceivers coexist or not when in close
proximity -- hence Rick's example of Field Day.

73,
Wayne
N6KR


> You sure don't want one of those noise generators at your next Field 
> Day.
> If someone shows up with one, put him on 10 meters at the far end of 
> the field.



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[Elecraft] KX3 voice recorder issue

[Lewis Hunter]

When use the voice recorder on the KX3 sometimes instead of playing my
recording it just keys up the microphone. It keys up for the same time as
what the recording would play. It is quite annoying when I am making
automatic calls as I have to cancel the repeat mode and restart it. Any
idea what would be causing this issue?
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Re: [Elecraft] Wait For The K4 Direct RF Sampled SDR?

[Brian Alsop]

Did you notice the reported 6M sensitivity number?
1.25 microvolt compared to 0.16 microvolt on 1.8-30MHz.
This may be a misprint as the MDS values are close to the same.

73 de Brian/K3KO

On 3/16/2013 03:09, David Gilbert wrote:


The transmit IMD specs are pretty poor as well ... and the interesting
thing is that neither deficiency was even discussed in the narrative
portion of the review.

73,
Dave  AB7E



On 3/15/2013 5:30 PM, Rick Stealey wrote:

Speaking of competitive rigs, I see QST just reviewed the FT3000.  The
number that caught
my eye (well actually the chart) was composit noise.  A whopping -120
dbc at 10 KHz
and beyond !  Yikes.  The K3 was -140 dbc at 10 KHz abd -155 at 100 KHz.
You sure don't want one of those noise generators at your next Field Day.
If someone shows up with one, put him on 10 meters at the far end of
the field.



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Re: [Elecraft] computer - P3 - K3 communications blues

[hawley, charles j jr]

A little confusing...maybe just me...
But, the K3 and P3 are on the same port and you can only have one of the 
utilities open at a time. K3 or P3 but not both at the same time.

Chuck, KE9UW
AARL, CCA
Lionel Trains TCA, LCCA, LRRC
aka Jack, BMW Motorcycles BMWRA, BMWMOA #224

From: elecraft-boun...@mailman.qth.net [elecraft-boun...@mailman.qth.net] on 
behalf of Tom H Childers [n...@n5ge.com]
Sent: Friday, March 15, 2013 11:30 PM
To: eric manning
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] computer - P3 - K3   communications blues

Eric,

You should be able to run one and only one additional application to
the P3.  Once you have one application connected to the P3 serial
port, that application blocks any other applications from using the
serial port the K3 the P3 are using.  So if you are trying to use the
same serial port for more than one software application it will not
use the P3 port.  It will give you a port in use error message.

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Fri, 15 Mar 2013 17:58:27 -0700, eric manning
 wrote:

>I have a Windows XP box connected to my K3 using a USB port on the box
>and a Prolific
>USB-to-Serial adapter. It all works FB,  N1MM Logger and SKimmer talk to
>the K3
>via LP Bridge and the USB/serial link perfectly, including N1MM keying
>the rig.
>
>THEN I hooked up my nice new P3 today.
>It talks to the K3 FB - it gets freq data from the K3 and sends VFO
>changes to the K3.
>Everything else I've tested on the P3 also seems to work FB.
>
>HOWEVER, the PC cannot talk to the K3 THROUGH the P3 - via either the
>Prolific USB/serial link  - or via a purely RS-232 link using the serial
>port on the windows box, which I also tried.
>[Just in case it was a USB incompatibility issue]
>
>K3 Utility running in the Windows box polls the K3 via the link and the
>P3 and gets no response.
>Everything is set to 38,400 baud, 8 data bits, 1 stop bit, no parity.
>The P3 is running the firmware which was installed at Elecraft, it was
>shipped to me a week ago.
>
>Any suggestions - please?
>
>Eric VA7DZ
>
>
>
>
>
>

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Re: [Elecraft] [K2] KAT2 Question

[Brian Handy]

Hi All,

To follow up on this thread for the archives...my problems are resolved.

I actually had two issues:

1 - I had mis-wired J7 on both ends originally!  The instructions are clear, 
and the proper orientation of the cable is even imprinted on the card, but I 
looked at the picture and interpreted the floppy-looking conductor as the 
ground strap ... not the center conductor.  

2 - I stared hard for a while at my toroids and solder joints, and slapped my 
head in disgust when I noticed that one of the relays was in backwards.  Fixed 
that, was able to complete the tuning section of the manual, works great now!

On to the KSB2 module ... that's another email.

Cheers

Brian Handy AE7JW



 From: Don Wilhelm 
To: Brian Handy  
Cc: "elecraft@mailman.qth.net"  
Sent: Friday, February 15, 2013 12:53 AM
Subject: Re: [Elecraft] [K2] KAT2 Question
 
Brian,

Are you certain you had the J7 connector backwards?  The coax shield should be 
toward the right side panel.
The results you are now getting indicate that you have something wrong with 
what you changed.
That power reading is likely coming from the K2 RF board RF output detector 
rather than from the KAT2.  If that is the case, the KAT2 is not being 
recognized - check the connector to the Control Board.

An inability to achieve a null on C55 is usually an indication of a problem 
with T1.  Check that it is wound in the same direction as shown in the manual.  
Check that the proper color leads are in the right holes.  Look at the solder 
side of T1 - there should be no rings in the solder around the leads - that is 
an indication that the leads were not well stripped and tinned.
I would suggest removing T1 and re-winding it.  It MUST look just like the 
diagram in the manual or it will not function properly.

73,
Don W3FPR

On 2/14/2013 9:18 AM, Brian Handy wrote:
> Hey all,
> 
> I've been working on the KAT2 module for my K2.  Mostly making progress but 
> stumped in the bridge null adjustment.
> 
> I was having problems with C55, and getting silly readings on U4 Pin1, so 
> after staring at my board for a while, I went to the web for a while and read 
> about other folks' problems and figured out I had wired J7 backwards on the 
> control board.  I fixed that, which brings us to my problem...
> 
> I set ATU CALn in the menu, exit, hit 'TUNE' like I did before, and instead 
> of getting the mV reading like I was before, I just get a power reading - 
> e.g. "P 4.5".  I can't seem to get back to what I was looking at before.
> 
> I went back and checked the other tests again ... I have everything in ATU 
> mode in the menu, I can make the relays go clicky-click when I run through 
> that set of options in the ATU menu, but I can't get this null mode to work.  
> I was able to get it to work when I had the RF cable J7 wired up wrong.
> 
> 
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Re: [Elecraft] FW: K3: Use VFO-B to select dBV

[KD7YZ Bob]

On Friday Cady used a Straight-Key to send:
-Original Comment---
> I forgot to hit reply all.

> Note that dBV is NOT dB relative to a volt. It is relative to the last
> time you made the AFV voltage measurement.

wow Fred, great and helpful reply. I printed it out so I cn make the
tests. Whoda thunk it was relative to the last measurement! I ordered
some BNC attenuators in the usual ranges. Tracking says they arrive
today.

thanks for the help!!

and RR on the forgetting to make the effort to "Reply All". This happens
to me several times a day but now I don't bother to go back and re-do it
on any of the "Lists" I am on. I think Admin's set it that way to
reduce overall List-Traffic . I could argue either way on the topic.

-- 
Best regards,
Bob  KD7YZWin7-64bit + K3

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Re: [Elecraft] K3: Use VFO-B to select dBV

[KD7YZ Bob]

On Friday Gregory used a Straight-Key to send:
-Original Comment---
> Have you got Menu Tech Mode ON?
yes.


-- 
Best regards,
Bob  KD7YZWin7-64bit + K3

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[Elecraft] [K2] KSB2 Module Question

[Brian Handy]

Dear Readers,

I am right now working on the KSB2 module.  It's built, been installed into my 
K2, and I was able to hear a few stations with it.  This gave me a false sense 
it was working, which is not actually true.

I now find that when I put the K2 into TUNE with this gizmo installed, I don't 
make power:  set 5W on the dial, and get 0.1 indicated when I hit the TUNE 
button.  I started going back through the DC measurements in RX mode and have 
turned up the following:

U2-5:  6V (should be 0.6)
U4-3:  6V (should be 0.6)

These are the ALC THR voltage, seemingly coming out of U2.  I looked up the 
specs for U2 and I'm not quite sure what to do with this information.

What does this potentially mean?


Cheers

Brian Handy AE7JW
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Re: [Elecraft] computer - P3 - K3 communications blues

[david Moes]

"You should be able to run one and only one additional application to 
the P3. Once you have one application connected to the P3 serial port, 
that application blocks any other applications from using the serial 
port the K3 the P3 are using. So if you are trying to use the same 
serial port for more than one software application it will not use the 
P3 port. It will give you a port in use error message. " 



Isn't LP-Bridge going to allow more than one application to talk to the 
serial port? I thought that is one of its main purposes.


alternatively and much simpler than LP-Bridge to solve this you can use 
vspe from eterlogic.  This can create a splitter to allow any number off 
applications to access a virtual port that is all routed into one 
physical Comm port.   works for me.   I often have logger32, MMSSTV 
FLDIGI all working at once.I can even have K3 utilities and K3eze 
all connected at the same time using VSPE.


All that said it seems that the OP cant even connect one program.  
Id also check that that all the cabling is correct.   IE PC to P3 and P3 
to K3 aren't reversed.  try removing the P3 from the picture just to 
double check that the serial port to K3 is working.   also  shut down 
LPbridge and try using the port directly with only K3 utilities using 
that port. I am not totally familiar with LP bridge so I am not sure 
if there is extra configuration if using the P3.


73

David Moes

dm...@nexicom.net
VE3DVY


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Re: [Elecraft] computer - P3 - K3 communications blues

[Don Wilhelm]

The K3 and P3 Utility programs should not be run through LP Bridge. 
LP-Bridge does not transfer everything used by the Utilities.


73,
Don W3FPR

On 3/16/2013 8:38 AM, david Moes wrote:


"You should be able to run one and only one additional application to 
the P3. Once you have one application connected to the P3 serial 
port, that application blocks any other applications from using the 
serial port the K3 the P3 are using. So if you are trying to use the 
same serial port for more than one software application it will not 
use the P3 port. It will give you a port in use error message. " 



Isn't LP-Bridge going to allow more than one application to talk to 
the serial port? I thought that is one of its main purposes.


alternatively and much simpler than LP-Bridge to solve this you can 
use vspe from eterlogic.  This can create a splitter to allow any 
number off applications to access a virtual port that is all routed 
into one physical Comm port.   works for me.   I often have logger32, 
MMSSTV FLDIGI all working at once.I can even have K3 utilities and 
K3eze all connected at the same time using VSPE.


All that said it seems that the OP cant even connect one program.  
Id also check that that all the cabling is correct.   IE PC to P3 and 
P3 to K3 aren't reversed.  try removing the P3 from the picture just 
to double check that the serial port to K3 is working.   also  shut 
down LPbridge and try using the port directly with only K3 utilities 
using that port. I am not totally familiar with LP bridge so I am 
not sure if there is extra configuration if using the P3.


73

David Moes

dm...@nexicom.net
VE3DVY


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Re: [Elecraft] FW: K3: Use VFO-B to select dBV

[Cady, Fred]

You are welcome Bob.
If you are going to use the attenuators to reduce signal strength to
check linearity or something, you might not get what you expect if AGC
is on. With AGC off the K3 is pretty linear from MDS to over s9 or so.
The ke7x website has some curves showing this as does "the k3 book".
Cheers,
Fred
www.ke7x.com

 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of KD7YZ Bob
Sent: Saturday, March 16, 2013 6:21 AM
To: K3 List
Subject: Re: [Elecraft] FW: K3: Use VFO-B to select dBV


On Friday Cady used a Straight-Key to send:
-Original Comment---
> I forgot to hit reply all.

> Note that dBV is NOT dB relative to a volt. It is relative to the last

> time you made the AFV voltage measurement.

wow Fred, great and helpful reply. I printed it out so I cn make the
tests. Whoda thunk it was relative to the last measurement! I ordered
some BNC attenuators in the usual ranges. Tracking says they arrive
today.

thanks for the help!!

and RR on the forgetting to make the effort to "Reply All". This happens
to me several times a day but now I don't bother to go back and re-do it
on any of the "Lists" I am on. I think Admin's set it that way to reduce
overall List-Traffic . I could argue either way on the topic.

--
Best regards,
Bob  KD7YZWin7-64bit + K3

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Re: [Elecraft] [K2] KSB2 Module Question

[Brian Handy]

To answer my own question, the problem was in T1.  I didn't look at it in 
detail but clearly something was up; I re-wrapped it and now I'm getting all 
kinds of power!

Thanks to the individual who replied off-line with this hint!!

Cheers

Brian AEJ7W



 From: Brian Handy 
To: "elecraft@mailman.qth.net"  
Sent: Saturday, March 16, 2013 10:27 PM
Subject: [K2] KSB2 Module Question
 

Dear Readers,

I am right now working on the KSB2 module.  It's built, been installed into my 
K2, and I was able to hear a few stations with it.  This gave me a false sense 
it was working, which is not actually true.

I now find that when I put the K2 into TUNE with this gizmo installed, I don't 
make power:  set 5W on the dial, and get 0.1 indicated when I hit the TUNE 
button.  I started going back through the DC measurements in RX mode and have 
turned up the following:

U2-5:  6V (should be 0.6)
U4-3:  6V (should be 0.6)

These are the ALC THR voltage, seemingly coming out of U2.  I looked up the 
specs for U2 and I'm not quite sure what to do with this information.

What does this potentially mean?


Cheers

Brian Handy AE7JW
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Re: [Elecraft] [K2] KSB2 Module Question

[Don Wilhelm]

Brian,

You may have had a problem with T1, but that is not in the transmit path 
for a TUNE operation, so you have another problem to find if I 
understood your post correctly - no power output during a TUNE operation.


TUNE uses the same path as CW, and the path for CW through the KSB2 is 
short.
The BFO signal enters at P1 pin 12, goes through C42 then through diode 
D3 and on to the base of Q3.
In order for that to happen, D3 must be conducting - the TXC signal 
applies voltage to the cathode to forward bias D3, so be certain there 
is at least 2.5 volts on the cathode.
Q3 must also conduct - again the TXC signal biases the Q3 base in 
addition to D3.  The 8T signal voltage flows through D5 (you should have 
7+ volts on the cathode of D5 and the collector of Q3.
With those conditions present, the BFO signal should go through C39 and 
exit at P1 pin 7.


The voltages I mentioned are only valid for CW transmit or a TUNE.

73,
Don W3FPR
On 3/16/2013 8:27 AM, Brian Handy wrote:

Dear Readers,

I am right now working on the KSB2 module.  It's built, been installed into my 
K2, and I was able to hear a few stations with it.  This gave me a false sense 
it was working, which is not actually true.

I now find that when I put the K2 into TUNE with this gizmo installed, I don't 
make power:  set 5W on the dial, and get 0.1 indicated when I hit the TUNE 
button.  I started going back through the DC measurements in RX mode and have 
turned up the following:

U2-5:  6V (should be 0.6)
U4-3:  6V (should be 0.6)

These are the ALC THR voltage, seemingly coming out of U2.  I looked up the 
specs for U2 and I'm not quite sure what to do with this information.

What does this potentially mean?


Cheers

Brian Handy AE7JW
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[Elecraft] * on KPA-500

[Ken Nicely]

What does the * on the left side of the KPA-500 mean?  I have been looking
for this in the manual and can not find any mention of it.

Ken KE3C
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Re: [Elecraft] * on KPA-500

[Ron D'Eau Claire]

>From "Transmitting" on page 9 of the KPA500 Owner's manual:

"...an asterisk will appear on the left side of the LCD display confirming
that a valid PA KEY signal is being received from the driving transceiver.
If an underscore appears instead of the asterisk, amplifier operation is
being inhibited..."

73 Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ken Nicely
Sent: Saturday, March 16, 2013 8:13 AM
To: elecraft
Subject: [Elecraft] * on KPA-500

What does the * on the left side of the KPA-500 mean?  I have been looking
for this in the manual and can not find any mention of it.

Ken KE3C
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Re: [Elecraft] * on KPA-500

[Ken Nicely]

Thanks for all the replies.

I am testing using the KX3 with the amp and tuner to see if it would work
without a key line.  It seemed to me that the amp should be able to rf
sense the key down state.  But I noticed that after  the tuner tuned the
signal was attenuated and the amp had the *.  Of course the signal was
attenuated because the amp was in transmit.   I just had never notice the *
in transmit before.

Ken  KE3C

On Sat, Mar 16, 2013 at 11:53 AM, Geoffrey Downs  wrote:

> Page 9 of the manual, the paragraph numbered 2.
>
> 73
>
> Geoff
> G3UCK
>
> -Original Message- From: Ken Nicely Sent: Saturday, March 16, 2013
> 3:12 PM To: elecraft Subject: [Elecraft] * on KPA-500
> What does the * on the left side of the KPA-500 mean?  I have been looking
> for this in the manual and can not find any mention of it.
>
> Ken KE3C
> __**__**__
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Re: [Elecraft] computer - P3 - K3 communications blues

[david Moes]

Hey Don
How about VSPEIve often wondered if it passes everything.  Its 
simplicity makes me think that it possibly more efficient which may be a 
bad assumption.   Ive not had any issues with it and while I would not 
use it while upgrading firmware or calibrations etc.  I do use it using 
terminal etc with the K3 Utilities.



  On 3/16/2013 08:49, Don Wilhelm wrote:
The K3 and P3 Utility programs should not be run through LP Bridge. 
LP-Bridge does not transfer everything used by the Utilities.


73,
Don W3FPR

On 3/16/2013 8:38 AM, david Moes wrote:


"You should be able to run one and only one additional application 
to the P3. Once you have one application connected to the P3 serial 
port, that application blocks any other applications from using the 
serial port the K3 the P3 are using. So if you are trying to use the 
same serial port for more than one software application it will not 
use the P3 port. It will give you a port in use error message. " 



Isn't LP-Bridge going to allow more than one application to talk to 
the serial port? I thought that is one of its main purposes.


alternatively and much simpler than LP-Bridge to solve this you can 
use vspe from eterlogic.  This can create a splitter to allow any 
number off applications to access a virtual port that is all routed 
into one physical Comm port.   works for me.   I often have logger32, 
MMSSTV FLDIGI all working at once.I can even have K3 utilities 
and K3eze all connected at the same time using VSPE.


All that said it seems that the OP cant even connect one 
program.  Id also check that that all the cabling is correct.   
IE PC to P3 and P3 to K3 aren't reversed.  try removing the P3 from 
the picture just to double check that the serial port to K3 is 
working.   also  shut down LPbridge and try using the port directly 
with only K3 utilities using that port. I am not totally familiar 
with LP bridge so I am not sure if there is extra configuration if 
using the P3.


73

David Moes

dm...@nexicom.net
VE3DVY


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[Elecraft] Rose's Elecraft Cases

[Phil LaMarche]

I want to purchase a case for my new KX3. Rose's link isn't working. It's on
an old business card.  Perhaps there's a new link?

 

Phil

 

Philip LaMarche

 

 

727-944-3226

727-510-5038 Cell 

   www.w9dvm.com

  WWW.FLAMGROUP.COM

 

K3 # 1605

KPA500 # 029

P3 #1480

KAT500  #50

 

 CCA 98-00827

CRA 1701

W9DVM

 

 

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Re: [Elecraft] * on KPA-500

[Ron D'Eau Claire]

There are times when you absolutely do not want the amp to amplify even
though RF is applied. One, for example, is when using an external ATU like
the KAT500. You don't want the amplifier putting out full power when it does
a tune operation to reduce the SWR. That would damage both the tuner and the
amp. So the tuner opens that key line, inhibiting the amp, while until the
tuning operation is completed. 

Most amps provide a key line to inhibit it for just that reason. Of course,
you could manually put the amp in "standby" at such times, but the demand
today is for almost "one button" operation that protects the equipment
almost no matter what the operator does, Hi! 

73 Ron AC7AC

P.S. Bet you got inundated with off-list replies. That is the pain of
replying and not copying the list - it generates a huge amount of
non-essential traffic because no one can see that the question was already
answered. And, of course, if someone accidentally provides the *wrong*
answer, no one knows it. The list is an excellent peer review. 



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ken Nicely
Sent: Saturday, March 16, 2013 9:07 AM
To: elecraft
Subject: Re: [Elecraft] * on KPA-500

Thanks for all the replies.

I am testing using the KX3 with the amp and tuner to see if it would work
without a key line.  It seemed to me that the amp should be able to rf sense
the key down state.  But I noticed that after  the tuner tuned the signal
was attenuated and the amp had the *.  Of course the signal was
attenuated because the amp was in transmit.   I just had never notice the *
in transmit before.

Ken  KE3C

On Sat, Mar 16, 2013 at 11:53 AM, Geoffrey Downs  wrote:

> Page 9 of the manual, the paragraph numbered 2.
>
> 73
>
> Geoff
> G3UCK
>
> -Original Message- From: Ken Nicely Sent: Saturday, March 16, 
> 2013
> 3:12 PM To: elecraft Subject: [Elecraft] * on KPA-500 What does the * 
> on the left side of the KPA-500 mean?  I have been looking for this in 
> the manual and can not find any mention of it.
>
> Ken KE3C
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> http://mailman.qth.net/**mailman/listinfo/elecraft net/mailman/listinfo/elecraft>
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> http://mailman.qth.net/mmfaq.**htm
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> list: http://www.qsl.net/donate.html
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Re: [Elecraft] Trouble with Auto-Spot (K3)

[Mike K2MK]

Hi Paul,

Just a follow up to the problem you reported. I was experimenting today and
experienced the same problem you mentioned when I had the VFO tuning set to
coarse (one digit after the decimal point). If it was set to fine (2 digits)
or very fine (3 digits) it worked perfectly. In fact, even if the signal is
perfectly centered in coarse tuning, pressing auto spot chased the VFO off
frequency.

I did notice something interesting, however. When in fine or very fine
tuning pressing auto spot causes 3 digits to the right of the decimal to
briefly appear. That suggests to me that even when only 2 digits are showing
pressing auto spot momentarily engages higher resolution for spotting. When
in coarse mode with only one digit showing pressing auto spot does not cause
3 or even 2 digits to momentarily appear. Perhaps the programmers might be
able to improve the auto spot function in coarse tuning if interest warrants
a change.

From a personal point of view I was not able to manually tune CW signals in
coarse mode (one digit showing). Even with the assistance of my P3 I found
it far to difficult for my unsteady hands to accomplish the task.

73,
Mike K2MK


KC2NYU wrote
> Phil - I tried your suggestion of using VFO fine tuning and that does seem
> to help. I do not see the signal being driven off as I had previously.
> Will keep experimenting with. Thanks for the suggestion,
> 
> 73 Paul kc2nyu
> 
> Phil Hystad Wed, 13 Mar 2013 07:23:02 -0700
> Mike, I have version 4.60 firmware and I also use Auto Spot all the time. 
> But,
> when I discovered this problem, after some experimenting around like with
> THR and some other things, I finally tried the VFO fine tuning, before it
> was
> on course tuning.  By fine tuning I mean TWO digits to the right of the
> decimal point and course tuning is ONE digit to the right of the decimal 
> point.  I hardly ever use the finest tuning of 3 digits to the right.
> By the way, my THR is also 2 but I experimented with a variety of levels
> when I had this problem.  I would test it again right now but I need to
> get my breakfast and then head off to work. 73, phil, K7PEH





--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Trouble-with-Auto-Spot-K3-tp7571164p7571381.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Kx3 lithium batteries life

[Rich Heineck]

Bob,

I think you forgot to multiply by 24hrs/day for your annual energy 
consumption, but your conclusion is still valid.  Even at a ~440 mAH for 
one year, the battery drain can be ignored for practical purposes.  Most 
of the current is consumed by the shunt regulator and the resistor 
dividers on the +12V line.


The LED does blink faintly as an 'alive' check when KX3 power is off, at 
a 1/2 second period.  This is how often the microcontroller wakes up to 
check power status.  Maybe an adventurous individual will put a scope 
across the resistor in series with the LED to measure average current, 
and the result may be surprising on how little it takes to produce a 
visible blink.


73,
Rich  AC7MA


On 03/16/2013 11:07 AM, Bob wrote:

Some earlier posts have referred to a LED on the charger/clock board
that seems to blink 24/7.  So there may be more load than just the
clock on the internal battery.  I haven't noticed anything glowing or
blinking on mine.

Still your message made me curious, so I measured the drain from the
internal batteries (8 NiMH cells).  With the radio turned off, it was
about 50 microamps.  This was surprising to me as clock chips usually
pull much less than that (a factor of 30 less give or take).

So I pulled out the schematics and found the KX3 uses a Microchip
PIC24F16K101 as the time keeper and charge controller.  The chip spec
puts the real time clock drain at 350 nano amps, and says that the run
mode currents should be 8 uA or so.  Sure enough, there is a Yellow
LED shown on the schematic (D2).  But like I said, I don’t see it
blinking on mine.

Given the 50uA current draw I experienced, that is still only 18 mAH
over an entire year.  If you are talking 2800 mAH for a Energizer
Ultimate Lithium, that is less than 1% of its capacity.  So that can't
explain the early demise of your batteries.  You would expect those
cells to say above 11 volts for almost their entire life, which would
be about 12 hours of KX3 receive, and about 6 hours at with occasional
transmit at 5 watts.

Now you mentioned that you keep the radio powered by a external supply
and really only use the Lithium batteries for time keeping.  If that
were the case then you would need to have an external supply that was
always above about 12.4 volts to keep the Lithium batteries from
partially discharging.

73, Bob, WB4SON
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[Elecraft] RFTB Sunday night

[Larry Makoski]

Faith and Begorra! 

I hope yourself will be wearin' a bit o' the green and will be joining the rest 
of us fine Piggies for the March edition of the RFTB, this Sunday night - St. 
Paddy's Day.

Me darlin' mother-in-law, who was born and bred in Donegal explained to me that 
the American custom of eating corned beef and cabbage came about because the 
original Irish immigrants to these fine shores couldn't afford the traditional 
St. Paddy's Day meal - ham.  

HAM?!?  Why we'd be cannibals, we Piggies would be!

So join us for that friendly lil' ol' QRP Sprint sponsored by your friends at 
the Flying Pigs QRP Amateur Radio Club International.  Join us for a spell to 
have some fun and to say "Hi" to friends, old and new.

The time is the same as always:

East coast - 9:00 to 11:00 PM local time
Midwest - 8:00 to 10:00 PM local time
Rockies - 7:00 to 9:00 PM local time
West coast - 6:00 to 8:00 PM local time

The rules are at:

http://fpqrp.org/pigrun/

And to all Flying Pig members, this is a great opportunity to work a bunch of 
your fellow piggies and then enter your contacts into the WAP log.

Keep in mind to keep checking 7.030.7 MHz for those who are operating crystal 
controlled Pig Rigs.

And mind you, if you can't be wearin' a bit o' the green, then maybe you join 
us with a green pint in hand.  Happy St. Patrick's Day to all!

Erin go Bragh

73 de Larry W2LJ
FP# 612
QRP ARCI# 4488


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[Elecraft] RFTB Sunday night

[Larry Makoski]

Faith and Begorra! 

I hope yourself will be wearin' a bit o' the green and will be joining the rest 
of us fine Piggies for the March edition of the RFTB, this Sunday night - St. 
Paddy's Day.

Me darlin' mother-in-law, who was born and bred in Donegal explained to me that 
the American custom of eating corned beef and cabbage came about because the 
original Irish immigrants to these fine shores couldn't afford the traditional 
St. Paddy's Day meal - ham.  

HAM?!?  Why we'd be cannibals, we Piggies would be!

So join us for that friendly lil' ol' QRP Sprint sponsored by your friends at 
the Flying Pigs QRP Amateur Radio Club International.  Join us for a spell to 
have some fun and to say "Hi" to friends, old and new.

The time is the same as always:

East coast - 9:00 to 11:00 PM local time
Midwest - 8:00 to 10:00 PM local time
Rockies - 7:00 to 9:00 PM local time
West coast - 6:00 to 8:00 PM local time

The rules are at:

http://fpqrp.org/pigrun/

And to all Flying Pig members, this is a great opportunity to work a bunch of 
your fellow piggies and then enter your contacts into the WAP log.

Keep in mind to keep checking 7.030.7 MHz for those who are operating crystal 
controlled Pig Rigs.

And mind you, if you can't be wearin' a bit o' the green, then maybe you join 
us with a green pint in hand.  Happy St. Patrick's Day to all!

Erin go Bragh

73 de Larry W2LJ
FP# 612
QRP ARCI# 4488


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[Elecraft] Cleaning my attic -- electronic goodies free to good home (pick-up only)

[Wayne Burdick]

Hi all,

Over the years I've accumulated astounding quantities of new R&D  
parts, including leaded semiconductors and passives, knobs, switches,  
encoders, connectors, cables, etc. One large box full of this stuff-- 
plus a number of working Elecraft prototypes (mostly mini-modules)-- 
has become excess to my needs, thanks to ongoing changes in  
technology. I'm not sure what the e-waste industry would do with it,  
so I'm looking for a home builder in need of restocking.


If you're interested, please contact me directly via email. The box is  
too big and heavy to ship, so you'll need to be within driving  
distance of Belmont, CA.


73,
Wayne
N6KR





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[Elecraft] Echo when transmitting

[Tony McClenny]

Ideas to correct the following would be appreciated - thank you in advance.
This is something new and I am perplexed.

 

I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
jack.  The footswitch is connected to rear of K3 "PTT In".

 

When in VOX the K3 stays in transmit and sounds like echo of shots (my
imaginary sound) - when in PTT (preferred mode), as soon as I press the
footswitch to transmit, K3 TX light turns red, headphones outputs a series
of sound of echoes even before I say anything and if I speak my voice
echoes...

 

Mic SelectFP.L with Bias set to Off

Mic + Lin On

Mic Gain 20

Comp   12


VOX Gain   050

VOX Delay 0.50

 

AF Gain  High

 

SPKRS 2

SPKR+PHYes

 

- Tony, N3ME -


118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638

Grid:  FM28lm

  http://www.n3me.net
Elecraft K3 # 2462

PVRC Member

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Re: [Elecraft] Echo when transmitting

[Scott Manthe]

Is the TX monitor turned on?

73,
Scott, N9AA


On 3/16/13 3:52 PM, Tony McClenny wrote:

Ideas to correct the following would be appreciated - thank you in advance.
This is something new and I am perplexed.

  


I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
jack.  The footswitch is connected to rear of K3 "PTT In".

  


When in VOX the K3 stays in transmit and sounds like echo of shots (my
imaginary sound) - when in PTT (preferred mode), as soon as I press the
footswitch to transmit, K3 TX light turns red, headphones outputs a series
of sound of echoes even before I say anything and if I speak my voice
echoes...

  


Mic SelectFP.L with Bias set to Off

Mic + Lin On

Mic Gain 20

Comp   12


VOX Gain   050

VOX Delay 0.50

  


AF Gain  High

  


SPKRS 2

SPKR+PHYes

  


- Tony, N3ME -


118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638

Grid:  FM28lm

   http://www.n3me.net
Elecraft K3 # 2462

PVRC Member

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[Elecraft] Cleaning my attic -- electronic goodies free to good home (pick-up only) [Taken]

[Wayne Burdick]

Sold (well, given away) to a gentleman from Mountain View Thanks  
for all the interest.


73,
Wayne
N6KR


The box is too big and heavy to ship, so you'll need to be  
within driving distance of Belmont, CA.




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Re: [Elecraft] Rose's Elecraft Cases

[Doug]

Try this
http://www.smugmug.com/gallery/7058736_hZbo4/1/452236459_Bc3aF#!i=452236459&k=vLrLtL2


73 Doug N3QW


On 3/16/2013 1:55 PM, Phil LaMarche wrote:

I want to purchase a case for my new KX3. Rose's link isn't working. It's on
an old business card.  Perhaps there's a new link?

  


Phil

  


Philip LaMarche

  

  


727-944-3226

727-510-5038 Cell

    www.w9dvm.com

   WWW.FLAMGROUP.COM

  


K3 # 1605

KPA500 # 029

P3 #1480

KAT500  #50

  


  CCA 98-00827

CRA 1701

W9DVM

  

  


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Re: [Elecraft] Echo when transmitting

[Matt Zilmer]

That would be my first question too.  How about checking your LINE IN
to see that there is no signal on it.  If you have it connected to a
sound device, there could be non-MIC input happening, along with your
voice audio.  Or you could have your own voice audio coming into the
input from both the MIC and the computer / sound device if the sound
device's monitor audio is enabled.

73,
matt W6NIA

On Sat, 16 Mar 2013 16:04:10 -0400, you wrote:

>Is the TX monitor turned on?
>
>73,
>Scott, N9AA
>
>
>On 3/16/13 3:52 PM, Tony McClenny wrote:
>> Ideas to correct the following would be appreciated - thank you in advance.
>> This is something new and I am perplexed.
>>
>>   
>>
>> I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
>> HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
>> The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
>> jack.  The footswitch is connected to rear of K3 "PTT In".
>>
>>   
>>
>> When in VOX the K3 stays in transmit and sounds like echo of shots (my
>> imaginary sound) - when in PTT (preferred mode), as soon as I press the
>> footswitch to transmit, K3 TX light turns red, headphones outputs a series
>> of sound of echoes even before I say anything and if I speak my voice
>> echoes...
>>
>>   
>>
>> Mic SelectFP.L with Bias set to Off
>>
>> Mic + Lin On
>>
>> Mic Gain 20
>>
>> Comp   12
>>
>>
>> VOX Gain   050
>>
>> VOX Delay 0.50
>>
>>   
>>
>> AF Gain  High
>>
>>   
>>
>> SPKRS 2
>>
>> SPKR+PHYes
>>
>>   
>>
>> - Tony, N3ME -
>>
>>
>> 118 Ashwood Street
>> Bethany Beach, DE 19930-9699
>> (302) 539-5638
>>
>> Grid:  FM28lm
>>
>>    http://www.n3me.net
>> Elecraft K3 # 2462
>>
>> PVRC Member
>>
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
>
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Re: [Elecraft] Echo when transmitting

[Eric Buggee]

Hi Tony & fellow Elecrafters,

Could be that you have your monitor level up too high, could this be the 
source of your "echo" but there is virtually no latency or delay (Echo) 
as with an echo.


My thoughts for what it is worth.

Eric, VK3AX, (K3 4520).


On 3/17/2013 9:52 AM, Matt Zilmer wrote:

That would be my first question too.  How about checking your LINE IN
to see that there is no signal on it.  If you have it connected to a
sound device, there could be non-MIC input happening, along with your
voice audio.  Or you could have your own voice audio coming into the
input from both the MIC and the computer / sound device if the sound
device's monitor audio is enabled.

73,
matt W6NIA

On Sat, 16 Mar 2013 16:04:10 -0400, you wrote:


Is the TX monitor turned on?

73,
Scott, N9AA


On 3/16/13 3:52 PM, Tony McClenny wrote:

Ideas to correct the following would be appreciated - thank you in advance.
This is something new and I am perplexed.

   


I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
jack.  The footswitch is connected to rear of K3 "PTT In".

   


When in VOX the K3 stays in transmit and sounds like echo of shots (my
imaginary sound) - when in PTT (preferred mode), as soon as I press the
footswitch to transmit, K3 TX light turns red, headphones outputs a series
of sound of echoes even before I say anything and if I speak my voice
echoes...

   


Mic SelectFP.L with Bias set to Off

Mic + Lin On

Mic Gain 20

Comp   12


VOX Gain   050

VOX Delay 0.50

   


AF Gain  High

   


SPKRS 2

SPKR+PHYes

   


- Tony, N3ME -


118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638

Grid:  FM28lm

    http://www.n3me.net
Elecraft K3 # 2462

PVRC Member

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Re: [Elecraft] K3 receiver

[Eric Buggee]

My experience here also Gary, mainly work 160 SSB early mornings & the 
ability of the K3 to hear signals through heavy QRM as well as wek 
signals on quiet days is incredible!


Way in front of 857D, TS2000  IC706Mk2 with DSP noise reduction the 
other current rigs.  Have recently sold the 706 & the others are soon to 
go out the door also.


Hope to get a KX3 when finances permit.

Eric VK3AX.


On 3/17/2013 8:48 AM, Gary Gregory wrote:

The ability of the K3 to hear a whisper on  ssb below the noise floor is
nothing short of unbelievable.

Thankyou Elecraft!

Gary
Vk1ZZ
K3, KX3, KPA500, KAT500,P3.
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[Elecraft] New K3 Build Config Problem

[John Oglesby]

Group - I am building a new K3 kit and ran into a problem today.  I did 
the initial power on test in the build cycle with no issue. I am now at 
the initial configuration point after the radio is built but before the 
100W amp installation.


When I powered up the radio, everything was fine, although I was 
surprised that I didn't get any error messages as expected in the 
assembly manual. I proceeded to calibrate the synthesizer which went 
fine. I then began to set the filter parameters and mis-read the 
instructions and after setting the bandwidths, started to set the modes. 
Instead of setting the mode and doing all of the filters, I did all of 
the modes on one filter. After I did a couple, I got a message that 
something was "FULL" and the radio became unresponsive. I tried powering 
off and back on, but then it wouldn't go into config mode. So I looked 
up how to do a soft reset, but when I held in the SHIFT/Lo knob and 
turned on the power I didn't get the EE INIT message and now all of the 
buttons do strange things, it started randomly beeping and now won't 
power on.


Help?

73

John
N9RE
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Re: [Elecraft] Echo when transmitting

[david Moes]

I  had a similar problem some time ago.had me baffled for a while

If your computer is connected to line in and out try disconnecting 
them.   If  the problem disappears then check that the sound card used 
for the K3 audio by opening recording devices, then select the device 
you are using for the K3  and click properties.  Under the Listen tab be 
sure that the box for "listen to this device" is not selected.


If it is it can create feed back that has some delays from both the K3 
(if monitor Normal)  and latency withing the sound card itself to create 
this kind of echo.   drove me nuts trying to figure it out.


also  I find I need to keep the monitor level down when using the 
headset, Yamaha CM500 here,  otherwise there is some audio feedback




 On 3/16/2013 15:52, Tony McClenny wrote:

Ideas to correct the following would be appreciated - thank you in advance.
This is something new and I am perplexed.

  


I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
jack.  The footswitch is connected to rear of K3 "PTT In".

  


When in VOX the K3 stays in transmit and sounds like echo of shots (my
imaginary sound) - when in PTT (preferred mode), as soon as I press the
footswitch to transmit, K3 TX light turns red, headphones outputs a series
of sound of echoes even before I say anything and if I speak my voice
echoes...

  


Mic SelectFP.L with Bias set to Off

Mic + Lin On

Mic Gain 20

Comp   12


VOX Gain   050

VOX Delay 0.50

  


AF Gain  High

  


SPKRS 2

SPKR+PHYes

  


- Tony, N3ME -


118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638

Grid:  FM28lm

   http://www.n3me.net
Elecraft K3 # 2462

PVRC Member

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Re: [Elecraft] Echo when transmitting

[Tony McClenny]

Thanks to everyone, who offered a suggestion.  David's thought appears to be
the issue.

It seems you have pointed me in the correct direction - thank you.
Disconnected K3 input to computer soundcard and the SSB noise / echo
disappeared - now to fine tune.  Thank you.

- Tony, N3ME -

118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638
Grid:  FM28lm

http://www.n3me.net
Elecraft K3 # 2462
PVRC Member


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of david Moes
Sent: Saturday, March 16, 2013 20:08 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Echo when transmitting

I  had a similar problem some time ago.had me baffled for a while

If your computer is connected to line in and out try disconnecting 
them.   If  the problem disappears then check that the sound card used 
for the K3 audio by opening recording devices, then select the device 
you are using for the K3  and click properties.  Under the Listen tab be 
sure that the box for "listen to this device" is not selected.

If it is it can create feed back that has some delays from both the K3 
(if monitor Normal)  and latency withing the sound card itself to create 
this kind of echo.   drove me nuts trying to figure it out.

also  I find I need to keep the monitor level down when using the 
headset, Yamaha CM500 here,  otherwise there is some audio feedback



  On 3/16/2013 15:52, Tony McClenny wrote:
> Ideas to correct the following would be appreciated - thank you in
advance.
> This is something new and I am perplexed.
>
>   
>
> I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
> HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
> The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
> jack.  The footswitch is connected to rear of K3 "PTT In".
>
>   
>
> When in VOX the K3 stays in transmit and sounds like echo of shots (my
> imaginary sound) - when in PTT (preferred mode), as soon as I press the
> footswitch to transmit, K3 TX light turns red, headphones outputs a series
> of sound of echoes even before I say anything and if I speak my voice
> echoes...
>
>   
>
> Mic SelectFP.L with Bias set to Off
>
> Mic + Lin On
>
> Mic Gain 20
>
> Comp   12
>
>
> VOX Gain   050
>
> VOX Delay 0.50
>
>   
>
> AF Gain  High
>
>   
>
> SPKRS 2
>
> SPKR+PHYes
>
>   
>
> - Tony, N3ME -
>
>
> 118 Ashwood Street
> Bethany Beach, DE 19930-9699
> (302) 539-5638
>
> Grid:  FM28lm
>
>    http://www.n3me.net
> Elecraft K3 # 2462
>
> PVRC Member
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

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[Elecraft] K3 , KPA500, KPA500 interaction.

[Bill Wiehe]

As a follow up the recent information passed along on the subject under another 
thread (* on KPA500) I am looking for some additional clarification. I was 
under the impression that
KPA500 would go into standby automatically when the KAT500 went into a tune 
mode.
Apparently this is not the case unless I have something set wrong. I have found
when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go 
into
standby.The KPA500 goes in and out of transmit mode and eventually will go into 
a "soft fault" if there is an initially high (SWR) while the KAT500 continues 
to look for a match. The fault due to high reflected power of course is as it 
should be and must be cleared to proceed. Just curious but is this correct 
expectation or is there a
set up function I missed that automatically places the KPA500 in standby  when 
the   As I said I was under the impression that whenever
the KAT500 did a tune the KAP500 would go into standby.  
This is not a major problem as I have set up the KPA500 now
to go to standby whenever I change bands as well as initial start-up. I am 
still curious however if I missed something.
Thanks

Bill – W0BBI
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Re: [Elecraft] Echo when transmitting

[Fred Jensen]

On 3/16/2013 5:50 PM, Tony McClenny wrote:


Disconnected K3 input to computer soundcard and the SSB noise / echo
disappeared - now to fine tune.  Thank you.


There was a time, around the time when dirt was young, that the mic had 
a 1/4" phone plug on it and went to the 1/4" mic jack on the front panel 
of the transmitter, the headphones had a 1/4" phone plug that was 
inserted into the 1/4" jack on the receiver, the key had a 1/4" phone 
plug plugged into the 1/4" key jack on the front or rear panel of the 
transmitter, PTT was STT ["switch to transmit"], a toggle switch usually 
on the transmitter, and there was no computer ... they hadn't been 
invented yet.  OK, the Collins KWM2 and S-line had a 3/16" two circuit 
mic jack, Art was always a little ahead of the pack.


My experience has been that, if something is going wrong or is producing 
unexpected results, disconnect the computer.  Works just about all the time.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org



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Re: [Elecraft] K3 , KPA500, KPA500 interaction.

[hawley, charles j jr]

Mine works the same.

Sent from my iPad
Chuck, KE9UW 
(Jack for BMW motorcycles)

On Mar 16, 2013, at 8:17 PM, "Bill Wiehe"  wrote:

> 
> 
> As a follow up the recent information passed along on the subject under 
> another thread (* on KPA500) I am looking for some additional clarification. 
> I was under the impression that
> KPA500 would go into standby automatically when the KAT500 went into a tune 
> mode.
> Apparently this is not the case unless I have something set wrong. I have 
> found
> when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go 
> into
> standby.The KPA500 goes in and out of transmit mode and eventually will go 
> into a "soft fault" if there is an initially high (SWR) while the KAT500 
> continues to look for a match. The fault due to high reflected power of 
> course is as it should be and must be cleared to proceed. Just curious but is 
> this correct expectation or is there a
> set up function I missed that automatically places the KPA500 in standby  
> when the   As I said I was under the impression that whenever
> the KAT500 did a tune the KAP500 would go into standby.  
> This is not a major problem as I have set up the KPA500 now
> to go to standby whenever I change bands as well as initial start-up. I am 
> still curious however if I missed something.
> Thanks
> 
> Bill – W0BBI
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[Elecraft] (no subject)

[Bill Wiehe]

Sorry the one sentence at the bottom got cut off due to my mistake. I should 
have read.

"Just curious but is this correct expectation or is there a set up function I 
missed that automatically places the KPA500 in standby when the KAT500 is in 
tune mode?"
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[Elecraft] K3, KPA500, KAT500 interaction

[Bill Wiehe]

Sorry the one sentence at the bottom got cut off due to my mistake. I should 
have read.

"Just curious but is this correct expectation or is there a set up function I 
missed that automatically places the KPA500 in standby when the KAT500 is in 
tune mode?"
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Re: [Elecraft] K3 , KPA500, KPA500 interaction.

[Fred Jensen]

On 3/16/2013 6:17 PM, Bill Wiehe wrote:



As a follow up the recent information passed along on the subject
under another thread (* on KPA500) I am looking for some additional
clarification. I was under the impression that KPA500 would go into
standby automatically when the KAT500 went into a tune mode.


No.  The big cable from the K3 goes to the KAT500 and then from there to 
the KPA500.  The KAT500 interrupts the PTT line when you are in a tuning 
cycle [note the "*" does not appear in the KPA500 display] until the 
tune cycle is finished.  If you were in OPER, you still will be, but the 
ATU tuning takes place at whatever you have the TUN PWR set on your K3.



Apparently this is not the case unless I have something set wrong. I
have found when changing bands if I initiate the K3 “tune cycle” the
KPA500 will not go into standby.The KPA500 goes in and out of
transmit mode and eventually will go into a "soft fault" if there is
an initially high (SWR) while the KAT500 continues to look for a
match.


Hmmm ... do you have the K3-->KAT500-->KPA500 cables connected?  Mine 
works exactly as above.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org

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Re: [Elecraft] K3 , KPA500, KPA500 interaction.

[Ron D'Eau Claire]

The KPA500 is "inhibited" during a tune when the key line is opened (not 
grounded). Although it does not produce high-level RF, it is *not* in 
"Standby". The KAT500 will close (ground) the key line when it is done 
immediately restoring full output. 

73 Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Wiehe
Sent: Saturday, March 16, 2013 6:18 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 , KPA500, KPA500 interaction.



As a follow up the recent information passed along on the subject under another 
thread (* on KPA500) I am looking for some additional clarification. I was 
under the impression that
KPA500 would go into standby automatically when the KAT500 went into a tune 
mode.
Apparently this is not the case unless I have something set wrong. I have found 
when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go 
into standby.The KPA500 goes in and out of transmit mode and eventually will go 
into a "soft fault" if there is an initially high (SWR) while the KAT500 
continues to look for a match. The fault due to high reflected power of course 
is as it should be and must be cleared to proceed. Just curious but is this 
correct expectation or is there a set up function I missed that automatically 
places the KPA500 in standby  when the   As I said I was under the impression 
that whenever the KAT500 did a tune the KAP500 would go into standby. This is 
not a major problem as I have set up the KPA500 now to go to standby whenever I 
change bands as well as initial start-up. I am still curious however if I 
missed something.
Thanks

Bill – W0BBI
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Re: [Elecraft] K3 , KPA500, KPA500 interaction.

[Dick Dievendorff]

As others have said, the mechanism the KAT500 uses to inhibit the amplifier is 
the amplifier key line, sometimes labeled PTT. The KAT500 manual shows cabling 
diagrams that cause the K3 key line to go thru a relay in the KAT50o to the 
amp.  The amp doesn't change to standby, it is simply not keyed and therefore 
does not amplify during ATU tuning operations. 

73 de Dick, K6KR

On Mar 16, 2013, at 6:17 PM, Bill Wiehe  wrote:

> 
> 
> As a follow up the recent information passed along on the subject under 
> another thread (* on KPA500) I am looking for some additional clarification. 
> I was under the impression that
> KPA500 would go into standby automatically when the KAT500 went into a tune 
> mode.
> Apparently this is not the case unless I have something set wrong. I have 
> found
> when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go 
> into
> standby.The KPA500 goes in and out of transmit mode and eventually will go 
> into a "soft fault" if there is an initially high (SWR) while the KAT500 
> continues to look for a match. The fault due to high reflected power of 
> course is as it should be and must be cleared to proceed. Just curious but is 
> this correct expectation or is there a
> set up function I missed that automatically places the KPA500 in standby  
> when the   As I said I was under the impression that whenever
> the KAT500 did a tune the KAP500 would go into standby.  
> This is not a major problem as I have set up the KPA500 now
> to go to standby whenever I change bands as well as initial start-up. I am 
> still curious however if I missed something.
> Thanks
> 
> Bill – W0BBI
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[Elecraft] K3, KPA500, KAT500 interactiions

[Bill Wiehe]

I must be having a senior moment so bear with me. If the KPA500 is "not keyed" 
(K6KR) and/or it is "inhibited" (AC7AC) while the KAT500 is tuning, why am I 
getting a "fault" that requires a manual reset?
BTW I am using the cabling as described in figure 1 on page 4 in the KAT500 
owners manual with the correct DB15 cables and, in the interest of full 
disclosure, I do use the KPAK3AUX Y cable at the K3 ACC port.
Bill - W0BBI
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Re: [Elecraft] K3, KPA500, KAT500 interactiions

[Ron D'Eau Claire]

Bill, it should not fault. 

When the KAT500 it is tuning, do you see on the KPA500 amplifier front panel
the asterisk change to an underscore?  If the asterisk stays visible, the
amplifier is not being inhibited for some reason.  

What is the SWR reported by the KAT500 after tuning? If it is not low
enough, the KPA500 logic may trigger a fault due to excessive reflected
power.

Do you have the latest firmware in both the KAT500 and KPA500? IIRC, there
was some tinkering with the timing of the functions that may have been to
avoid spurious faults. I recommend making sure you are running the latest. 

73 Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Wiehe
Sent: Saturday, March 16, 2013 7:31 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3, KPA500, KAT500 interactiions

I must be having a senior moment so bear with me. If the KPA500 is "not
keyed" (K6KR) and/or it is "inhibited" (AC7AC) while the KAT500 is tuning,
why am I getting a "fault" that requires a manual reset?
BTW I am using the cabling as described in figure 1 on page 4 in the
KAT500 owners manual with the correct DB15 cables and, in the interest of
full disclosure, I do use the KPAK3AUX Y cable at the K3 ACC port.
Bill - W0BBI
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Re: [Elecraft] K3, KPA500, KAT500 interactiions

[Dick Dievendorff]

When you start transmitting, the KAT500 detects high SWR and interrupts the
amplifier key line as a prelude to tuning. However that takes a little time.
In the time that it takes the KAT500 to break the amp key line, the KPA500
may observe high SWR briefly.  It engages its attenuator and flickers the
Fault LED (but this is not a fault that requires reset).  If the high SWR
persists, the KPA500 will fault.  But the KAT500 should break the amplifier
key line promptly, before the KPA500 faults, if it is allowed to do so.

I suspect you may not have configured the KAT500 to break the amplifier key
line when transmitting.  In the KAT500 Utility, Configuration Tab, Edit
Configuration, Amplifier Key Interrupt Power, click the button that says
"optimize for KPA500".

Some amplifiers, particularly those with frame relays, cannot tolerate
having the amplifier key line hotswitched with RF present.  So the KAT500
has to wait for a pause in transmission before it can interrupt the amp key
line.  

73 de Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Wiehe
Sent: Saturday, March 16, 2013 7:31 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3, KPA500, KAT500 interactiions

I must be having a senior moment so bear with me. If the KPA500 is "not
keyed" (K6KR) and/or it is "inhibited" (AC7AC) while the KAT500 is tuning,
why am I getting a "fault" that requires a manual reset?
BTW I am using the cabling as described in figure 1 on page 4 in the
KAT500 owners manual with the correct DB15 cables and, in the interest of
full disclosure, I do use the KPAK3AUX Y cable at the K3 ACC port.
Bill - W0BBI
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Re: [Elecraft] K3, KPA500, KAT500 interactiions

[iain macdonnell - N6ML]

In the standard configuration, the KAT500 does not explicitly inhibit
the KPA500 - rather it interrupts the keying line (by opening relay
contacts). My setup is remote, so I can't confirm this, but the
underscore should not be displayed in this case.

This does require keying to be routed through the KAT500, using the
ACC cables, and no other keying path should be in place (e.g. RCA
direct from K3 to KPA500).

73,

~iain / N6ML


On Sat, Mar 16, 2013 at 7:53 PM, Ron D'Eau Claire  wrote:
> Bill, it should not fault.
>
> When the KAT500 it is tuning, do you see on the KPA500 amplifier front panel
> the asterisk change to an underscore?  If the asterisk stays visible, the
> amplifier is not being inhibited for some reason.
>
> What is the SWR reported by the KAT500 after tuning? If it is not low
> enough, the KPA500 logic may trigger a fault due to excessive reflected
> power.
>
> Do you have the latest firmware in both the KAT500 and KPA500? IIRC, there
> was some tinkering with the timing of the functions that may have been to
> avoid spurious faults. I recommend making sure you are running the latest.
>
> 73 Ron AC7AC
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Wiehe
> Sent: Saturday, March 16, 2013 7:31 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] K3, KPA500, KAT500 interactiions
>
> I must be having a senior moment so bear with me. If the KPA500 is "not
> keyed" (K6KR) and/or it is "inhibited" (AC7AC) while the KAT500 is tuning,
> why am I getting a "fault" that requires a manual reset?
> BTW I am using the cabling as described in figure 1 on page 4 in the
> KAT500 owners manual with the correct DB15 cables and, in the interest of
> full disclosure, I do use the KPAK3AUX Y cable at the K3 ACC port.
> Bill - W0BBI
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Re: [Elecraft] Echo when transmitting

[Milt -- N5IA]

Tony,  Glad all seems to be OK.

BUT, the first thing I noticed in your settings list it the Microphone 
select is FP.L


You said in the previous paragraph that your were plugging the Microphone 
into the REAR PANEL.


If that is the case, then you should select RP.L when setting up the menu. 
At least that is what I do.


73 and good luck with the whole banana.

Milt, N5IA


-Original Message- 
From: Tony McClenny

Sent: Saturday, March 16, 2013 5:50 PM
To: 'david Moes' ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Echo when transmitting

Thanks to everyone, who offered a suggestion.  David's thought appears to be
the issue.

It seems you have pointed me in the correct direction - thank you.
Disconnected K3 input to computer soundcard and the SSB noise / echo
disappeared - now to fine tune.  Thank you.

- Tony, N3ME -

118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638
Grid:  FM28lm

http://www.n3me.net
Elecraft K3 # 2462
PVRC Member


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of david Moes
Sent: Saturday, March 16, 2013 20:08 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Echo when transmitting

I  had a similar problem some time ago.had me baffled for a while

If your computer is connected to line in and out try disconnecting
them.   If  the problem disappears then check that the sound card used
for the K3 audio by opening recording devices, then select the device
you are using for the K3  and click properties.  Under the Listen tab be
sure that the box for "listen to this device" is not selected.

If it is it can create feed back that has some delays from both the K3
(if monitor Normal)  and latency withing the sound card itself to create
this kind of echo.   drove me nuts trying to figure it out.

also  I find I need to keep the monitor level down when using the
headset, Yamaha CM500 here,  otherwise there is some audio feedback



 On 3/16/2013 15:52, Tony McClenny wrote:

Ideas to correct the following would be appreciated - thank you in

advance.

This is something new and I am perplexed.



I am using a Heil Pro-Set Plus microphone/headphones (with elements HC4 &
HC5).  The microphone line is connected to rear of K3 in the "Mono" jack.
The Heil headphone 1/8" stereo plug is connected on rear of K3 to "Phones"
jack.  The footswitch is connected to rear of K3 "PTT In".



When in VOX the K3 stays in transmit and sounds like echo of shots (my
imaginary sound) - when in PTT (preferred mode), as soon as I press the
footswitch to transmit, K3 TX light turns red, headphones outputs a series
of sound of echoes even before I say anything and if I speak my voice
echoes...



Mic SelectFP.L with Bias set to Off

Mic + Lin On

Mic Gain 20

Comp   12


VOX Gain   050

VOX Delay 0.50



AF Gain  High



SPKRS 2

SPKR+PHYes



- Tony, N3ME -


118 Ashwood Street
Bethany Beach, DE 19930-9699
(302) 539-5638

Grid:  FM28lm

   http://www.n3me.net
Elecraft K3 # 2462

PVRC Member

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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2013.0.2904 / Virus Database: 2641/6173 - Release Date: 03/14/13



-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2013.0.2904 / Virus Database: 2641/6173 - Release Date: 03/14/13

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[Elecraft] Elecraft CW Net Report for March 10th & 11th, 2013

[kevinr]

  On 14050.5 kHz at 2200z:
AB9V - Mike - IN - K3 - 398
NO8V - John - MI - K3 - 820
K0DTJ - Brian - CA - K3 - 4113
K9ZTV - Kent - MO - K3 - 21
W0CZ - Ken - ND - K3 - 457
N0AR - Scott - MN - K2 - 4866
KL7CW - Rick - AK - KX1 - 798
K9FD/KH6 - Merv - HI - K3 - 2603

  On 7045 kHz at 0100z:
NO8V - John - MI - K3 - 820
N0TA - John - CO - K3 - 994
K0DTJ - Brian - CA - K3 - 4113
K6PJV - Dale - CA - K3 - 1183
W0CZ - Ken - ND - K3 - 457
W8OV - Dave - TX - K3 - 3139
AB9V - Mike - IN - K3 - 398
KL7CW - Rick - AK - KX1 - 798
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[Elecraft] Elecraft CW Net Annoucement

[kevinr]

Good Evening,
   I just saw the movie Hitchcock, it reminded me of being scared silly 
when I was 3 or 4.  For some reason my parents let me watch an episode 
of his TV show; it did not go well :)  However, I have gotten used to 
his directing and narration.  By the way: he is the reason I open my 
epistles with "Good Evening".  Each time I type it I hear his voice and 
see his image walking into the sketch of him.


   Propagation was fairly good this week.  But from Wednesday until 
today I have been under the weather so I cannot vouch for it.  I 
remember keeping the house warm and sleeping a lot.  The rest is a 
blur.  I think this week's nets will be OK.  The new times allowed a QRP 
station from Alaska and a new station from Hawaii to check in.  Signals 
were very good on both bands.  I hope this holds for tomorrow.


Please join us tomorrow afternoon and evening.

1) Hail signs  (first letter or two of the suffix of your call)
2) NCS help  (as well as QSP/QNP  help)

Sunday 2200z (Sunday 3 PM PDT) 14050 kHz
Monday 0100z (Sunday 6 PM PDT)  7045 kHz

   Stay warm,
  Kevin.  KD5ONS

-
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