Re: [Elecraft] [K3] CW/PTT/VOX

[Alexandr Kobranov]

Hello Jean,
see in text:

Jean-Claude Abauzit napsal(a):
The way the K3 behave seems absolutely normal. You cannot have your cake 
and eat it.

To be able to send CW while in SSB the rig has to be in VOX mode.
When PTT is engaged you must first press the PTT to transmit and if the 
rig is in SSB mode it will transmit in SSB.
I have a question: is the PTT/VOX setting mode specific? Can you have 
PTT in SSB and VOX in CW?

Yes, the PTT/VOX setting is mode dependent - you can choose it per mode...
My FT-897 is set that way: PTT for SSB and VOX for CW. If I listen in 
SSB and want to transmit CW - for example when a weak station does not 
hear me - I just hit the paddles. To trasmit in SSB I press the foot 
switch. I am not a fan of VOX in SSB.

Correct :-)
(Keep in mind if using Key out for keying up linears or transverters 
that there is Key out activated even if you have no VOX active just by 
hitting the Key. So name of the port is correct - it is Key out no PTT 
out :-)
So in total PTT mode (PTT for all modes) and in SSB it is activated 
only by hitting the Key. NO RF IS GOING OUT - it is OK, but realays in 
the rest of system - using Key out as T/R control - are activated.)


If I wanted to use PTT to switch an amplifier SSB and CW would have to 
use the PTT mode and I would lose the auto CW feature, nothing I could 
do about it.
No, just define VOX/QSK for CW mode and switch to SSB, on SSB you can 
have PTT mode and Auto-CW will run correctly using CW QSK settings.

In 2.02 working fine as I tried.


Jean-Claude PJ2BVU



73!
Lexa, -dst-



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[Elecraft] K2 - frequency control

[Nick Henwood]

I have just started to notice a click and a very small jump in frequency every 
5 kHz on my K2. For example I find it on 30M:
10105.78
10110.78
10115.78
10120.87 (etc)

on 40M it appears:
7034.3
7029.93
7024.93 (etc)

Is this something that has always been there which I have just noticed ? I can 
work round it but would prefer not to. As usual I run the risk here of exposing 
my ignorance so please be kind if the answer is obvious!
73 Nick G3RWF
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[Elecraft] K3 Beta Firmware Revision 2.02

[Dave G4AON]

"Channel hopping" doesn't seem to offer anything useful to me. It would 
have been nice if rotating VFO A not only displayed the frequency stored 
but instantly assigned it to a VFO so the K3 could be used in the same 
manner as a crystal controlled transceiver (without having to press M-V 
again). As the K3 lacks a V/M switch, I guess it will not operate in a 
channelised manner any time soon.


73 Dave
K3/100 #80


K3 beta-test firmware revision 2.02 is now available. It includes one
new feature (channel hopping, especially useful on 60 meters) and a
correction to CW/VOX behavior.
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[Elecraft] K3 KXV3 Issue

[Mike Fatchett W0MU]

I finally started building my kit and have run across a small issue.

I am to the stage where I need to install the KXV3 transverter board.  The
pictures show two bushings that appear to be soldered onto the board so that
you can tighten down the board to the rear panel.  The bushings appear to
provide about a 1/2 inch of separation between the rear panel and the KXV3
board.  My board does not have these two bushings.  Has this been eliminated
from the build?

The kit was sent to me around the end of April.

Everything else has gone together great.

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[Elecraft] [K3] CW/PTT/VOX

[Jean-Claude Abauzit]

The way the K3 behave seems absolutely normal. You cannot have your 
cake and eat it.

To be able to send CW while in SSB the rig has to be in VOX mode.
When PTT is engaged you must first press the PTT to transmit and if 
the rig is in SSB mode it will transmit in SSB.
I have a question: is the PTT/VOX setting mode specific? Can you have 
PTT in SSB and VOX in CW?
My FT-897 is set that way: PTT for SSB and VOX for CW. If I listen in 
SSB and want to transmit CW - for example when a weak station does 
not hear me - I just hit the paddles. To trasmit in SSB I press the 
foot switch. I am not a fan of VOX in SSB.
If I wanted to use PTT to switch an amplifier SSB and CW would have 
to use the PTT mode and I would lose the auto CW feature, nothing I 
could do about it.


Jean-Claude PJ2BVU


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[Elecraft] Elecraft CW Net Announcement

[Kevin Rock]

Good Evening,
   This week the lupine have begun to bloom lower down the mountain.  The false 
Solomon's seal are in full bloom up here while they are waning down below.  40 
meters has been very active each day from 2000z onward.  There are a few 
operators who enjoy running QRQ.  It is fun to listen to them chatter away.  
Twenty meters has shown some activity but it has not been as good this week.  I 
have been busy banging away on projects so have not done more than listen.  If 
everyone simply listens by definition the band is dead.  I will never know who 
may have responded if I had called CQ.  
   Today, on my way to town, I saw a doe and then her two fawns.  They were the 
tiniest I had ever seen.  I don't think either of them was 18 inches at the 
head!  They knew just what to do when mom turned around and walked off the 
road.  She must have been feeding them when I disturbed her.  It was about 2 PM 
which is not a normal time to see deer since they are crepuscular by nature.  
However, the road is not very active on the weekend so they may have been 
bedding close to the spring which lies near the road at that point.  

Please join us tomorrow evening.
 
1) Hail signs  (first letter or two of the suffix of your call)
2) NCS help (as well as QSP/QNP  help)
 
Sunday 2300z (Sunday 4 PM PDT) 14050 kHz
Monday 0200z (Sunday 7 PM PDT)  7045 kHz
 
   Stay well,
  Kevin.  KD5ONS

ecn.visionseer.com

P.S.  I hope all the folks in Minnesota, Iowa, and Wisconsin were able to avoid 
the worst of the heavy weather today.  I have sent a note to my brother but 
have not received a reply yet.  Two large storms converged near his part of WI 
so I am concerned.
   KJR

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[Elecraft] cw/vox/PTT w/ ver 1.96/1.73

[Ken Kopp]

Same here ... no CW TX if in SSB / PTT mode.  I use a foot
switch for PTT on SSB and VOX on CW.

73! Ken Kopp - K0PP
[EMAIL PROTECTED]
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Re: [Elecraft] K3 Beta Firmware Revision 2.02

[Nick J. Sinanis F5VIH/SV3SJ]

Interesting, since MCU version 2.00 already,it is possible to use the 
front panel buttons RX ant, PRE, ATT, XFIL AFX while in TX Mode!

The filter settings cannot be yet changed however.

Very useful addition, however no feedback is provided when a key is 
pressed during TX - it all happens when the rig passes in RX mode. I got 
surprised to hear all of a sudden a relay click when my K3 passed in RX 
mode. It was the RX Ant relay after I had pressed the RX Ant button 
during TX mode :-)


Thank you once more Elecraft!

73s Nick
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Re: [Elecraft] Microkeyer II and K3

[Blachura]

Did you set the cw paddle in config menu to "=dash ?

Don...w2xb






cptpatmcd wrote:
> 
> I know several of you out there have this set up, and this has been my
> second biggest purchase since the K3.  Only problem is, it's been no where
> near the 'plug and play' that everyone else says it's supposed to be. 
> Part of that is my fault, I'm running windows XP under VMware - but I cant
> trace this problem to that:
> 
> Instead of sending dashes, my K3 sends three dit's.  The cw light on the
> mkII indicates it's sending a dash- but that's not what the K3 hears
> apparently.
> 
> RIght now I've tried each setting on PTT selector but to no avail.  I'd
> ask on the MKII yahoo group, but it's down right now (or it is to my
> computer).
> 
> Help?
> 

-- 
View this message in context: 
http://www.nabble.com/Microkeyer-II-and-K3-tp17714640p17714902.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] Microkeyer II and K3

[cptpatmcd]

I know several of you out there have this set up, and this has been my second
biggest purchase since the K3.  Only problem is, it's been no where near the
'plug and play' that everyone else says it's supposed to be.  Part of that
is my fault, I'm running windows XP under VMware - but I cant trace this
problem to that:

Instead of sending dashes, my K3 sends three dit's.  The cw light on the
mkII indicates it's sending a dash- but that's not what the K3 hears
apparently.

RIght now I've tried each setting on PTT selector but to no avail.  I'd ask
on the MKII yahoo group, but it's down right now (or it is to my computer).

Help?
-- 
View this message in context: 
http://www.nabble.com/Microkeyer-II-and-K3-tp17714640p17714640.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] [K3]cw/vox/2.02

[Ken K3IU]

Hi again, Dick:

Bet you didn't think of this...

If you want to operate ssb with a foot switch PTT and have CW available 
at the touch of a key, leave the K3 in VOX mode, lower the vox gain so 
that vox does not operate (if you use the foot switch, you don't need 
any  VOX gain), then if you want to send CW in the middle of a SSB 
event, simply start tapping on the paddle without asserting PTT via the 
foot switch. If you hold the footswitch closed, then the CW won't send. 
Of course, you have to set this up on CONFIG:CW WGHT.


It works... just tried it :-)

73,
Ken K3IU

Dick Hanson wrote:

I just now noticed tho, that if you are on SSB, and in PTT mode, and attempt
a reply to a CW station...no RF unless you switch back to VOX. Others notice
this? IOW, in SSB mode, if you depress your footswitch and hit the key,
nothing happens (in PTT mode).
  

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[Elecraft] Re: K3 cw/vox/2.02

[Alexandr Kobranov]

To have CW in SSB mode (if switched on in Menu) you need to have at 
first VOX/QSK active in CW mode then in SSB mode you are able to send 
CW just by hitting the Key. It is my experience not tested yet with 2.02


73!
L. -dst-

Dick Hanson napsal(a):

Things work as advertised now.
No cw output if have PTT selected, until PTT is switched.

Good going, Wayne et al!

Those of us who have clamored in the past to have ability when on SSB to hit
the key and be sending CW in response to a CW caller are glad about the
change made a while back.
I just now noticed tho, that if you are on SSB, and in PTT mode, and attempt
a reply to a CW station...no RF unless you switch back to VOX. Others notice
this? IOW, in SSB mode, if you depress your footswitch and hit the key,
nothing happens (in PTT mode).

73
Dick, K5AND  #50

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[Elecraft] K3

[Dick Hanson]

Meant to put K3 in subject.
Sorry.

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[Elecraft] cw/vox/2.02

[Dick Hanson]

Things work as advertised now.
No cw output if have PTT selected, until PTT is switched.

Good going, Wayne et al!

Those of us who have clamored in the past to have ability when on SSB to hit
the key and be sending CW in response to a CW caller are glad about the
change made a while back.
I just now noticed tho, that if you are on SSB, and in PTT mode, and attempt
a reply to a CW station...no RF unless you switch back to VOX. Others notice
this? IOW, in SSB mode, if you depress your footswitch and hit the key,
nothing happens (in PTT mode).

73
Dick, K5AND  #50

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Re: [Elecraft] K3 serial no. 997

[Mike Harris]

Hi,

I use an MC-43S with MAIN menu setting "FP.H" for high gain.  Manual p.49 
MIC SEL

Regards,

Mike VP8NO

- Original Message - 
From: "Dick Dievendorff" <[EMAIL PROTECTED]>
To: "'VE7AJJ'" <[EMAIL PROTECTED]>; 
Sent: Saturday, June 07, 2008 7:01 PM
Subject: RE: [Elecraft] K3 serial no. 997


| Hi, Garry.
|
| The microphone connector pinout is shown on page 13 of the K3 Owner's
| manual. The index topic is "Front Panel Connectors".  Here is the
| description from the owner's manual:
|
| 1 Mic audio, low-Z (~600 ohms)
| 2 PTT
| 3 DOWN button*
| 4 UP button*
| 5 FUNCTION button*
| 6 8V (10 mA max)
| 7, 8 Ground
|
| I don't own the microphone you mention, but some of the pins appear to 
be
| connected as expected, but I'm not sure about pin 6, which is "Rev 
Audio" on
| the MC-60 microphone connection layout I found.
|
| The MC-60 is a "dynamic" microphone, and you probably want bias off for 
that
| sort of microphone.
|
| As for amplifier switching, it depends on what kind of amplifier you 
have.
| The K3's Key Out line is described on page 17 of the owner's manual. The 
Key
| Out line is specified to switch up to 200V DC at up to 5 Amps, so maybe 
your
| AmpKeyer isn't required if your amp's T/R relay switching line is within
| these limits.
|
| Dick, K6KR
|
|
| -Original Message-
| From: [EMAIL PROTECTED]
| [mailto:[EMAIL PROTECTED] On Behalf Of VE7AJJ
| Sent: Saturday, June 07, 2008 3:32 PM
| To: elecraft@mailman.qth.net
| Subject: [Elecraft] K3 serial no. 997
|
| Ordered Dec 23 received June 4.
|
| I very much enjoyed the build and really like the rig but I am having
| some issues with the setup.  I cannot even find a mic pinout in the
| manual.  Wow, that would seem to be pretty basic information to be
| included.  I do have an MC-60 which is supposed to be pin for pin
| compatable with the K3 but I cannot get much output swing on the
| meter.  I know the PA is working because I have tried it in CW and
| lots of output on CW but the out put is low on SSB
|
| I know others have had issues with this but I don't seem to find any
| solutions in the archhives.  I wonder if someone with an MC-60 that
| has successfully set the rig up could please email me and perhaps
| compare notes? I would sure appreciate it.  My emails should show up
| at the beginning of this post.  If not I can post it on here.
|
| Also.  I'm wondering what to use to key the amp.  I have an Ampkeyer
| for interface.  Does a guy just use the switchable 12 volts for that?
|
| Thanks in advance.
|
| 73
|
| Garry/Ve7ajj
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No virus found in this incoming message.
Checked by AVG.
Version: 8.0.100 / Virus Database: 270.0.0/1489 - Release Date: 07/06/2008 
11:17

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RE: [Elecraft] K3: 6M SSB audio hash

[Jim Brown]

On Sat, 7 Jun 2008 17:50:13 -0400, Joe Subich, W4TV wrote:


>Jim, 

>Which is it?  In this reply you say: 

>> >... but not as good as if the shield were connected to the 
>> >chassis (usually PTT ground) and the mic treated as a 
>> >floating/balanced input.  
>> 
>> WRONG! What you have just described is perfect example of a pin 1 
>> problem, and a VERY common cause of hum, buzz, and RFI. 

>but in the reply to Jamie you say: 

>> The proper connection for that is to connect the two mic 
>> wires (the hot and the shield) to the balanced input AND 
>> to connect the shield DIRECTLY TO THE CHASSIS by a very 
>> short path.   

>Your description says the very same thing as I did ... mic wires 
>floating with the shield connected directly to the chassis.  

I'm not ambiguous, you are! :)  "PTT ground" is ambiguous, and implies 
that it goes somewhere and eventually finds the chassis. I'm talking the 
CHASSIS. Period. 

>The point is that Icom, Yaesu, Kenwood and Heil all float the 
>mic return above the chassis and then connect the shield of the 
>mic cable to the floated mic return!  

>The shield should be 
>connected to the PTT return - which is connected to the chassis. 

The shield should be connected STRAIGHT to the CHASSIS, not to something 
that is connected to the chassis. That "connected to" covers a multitude 
of sins -- like a circuit trace that several inches to a phone jack 
that's screwed to the chassis. That trace has inductance, and the voltage 
drop across that inductance causes mischief!   

>Elecraft connect the mic return to chassis inside the K3 *BUT* 
>Pins 7 and 8 (PTT and mic return) have series chokes which result 
>in about 5 Ohms of resistance between both pins and the case. 
>The same is true for the shield/sleeve of the rear panel mic 
>jack ... the sleeve is floated by an RF choke with about 5 Ohms 
>of DC resistance.  

Yes, they do, and I have a BIG problem with that. I had that discussion 
with Wayne about three years ago. I'm not at all happy with the audio 
interface on the K3. For one thing, those transformers are unshielded, 
and pick up hum from power transformers nearby (like the power supply for 
my power amp, which right under the operating desk). There's low level 
hum when my line input is turned on (so I can playback contest messages 
from the computer, or send AFSK). The hum is there with or without a 
cable plugged in. This hum pickup is so bad on my neighbor's K3 that it 
regenerates to full power!  I suspect he has an unusually strong magnetic 
field. 

The one saving grace of what they are doing with the shield is that it is 
also bypassed to the KIO audio daughterboard. It isn't clear to me how 
the bypass capacitors on that daugherboard gets to the chassis. If it's a 
short (small fraction of an inch), great. If it isn't, it's a potential 
RFI problem, especially at higher frequencies. A clue (not an encouraging 
one) -- the retaining screws for  the DB connectors are 8 ohms off of the 
chassis of the radio!  Not a good thing! I haven't measured the audio 
daughterboard chassis, but I suspect the same problem there. So far, I 
have not had RF feedback problems, but my QTH is not challenging in that 
regard -- only my 160M vertical is closer to the radio than 100 ft. 

>The best solution for all amateurs is to connect the mic return 
>pin on the mic connector to the shell to tie both mic return and 
>shield to the chassis by the lowest possible resistance path. 

The cable shield must go to the chassis. If that is the mic return, so be 
it.  BUT  it doesn't help if the shell isn't connected to the chassis!  I 
use an EV RE16 with my ham rigs (a balanced dynamic mic). The shield goes 
to the connector shell, the mic lines go to the mic input and the mic 
return. My Yaesu FT1000MP has a pin 1 problem at its mic input that 
causes it to have RF feedback on 15M and 75M. I can measure that pin 1 
problem by the test method shown in my AES paper on the topic, and, 
indeed, it peaks on 15M and a bit above 75M. That paper is on my website. 

Putting it simply, MANY ham rigs are built with pin 1 problems. That is, 
they have a design flaw that causes hum, buzz, and RFI when we connect 
cables to them. 

73,

Jim Brown K9YC


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RE: [Elecraft] K3 help

[Dick Dievendorff]

Maybe you've used up the 1/4" black pan head screws elsewhere and you're trying 
to us a 3/16" pan head screw for the transistors?  Measure the pan head screw 
length (which does not include the pan head) to see if perhaps you're trying to 
fit a 3/16" screw there.

A 1/4" pan head screw looks a lot like a 3/16" screw.  Be sure to use the 1/4" 
ones only in the spots specified.

Dick, K6KR


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of nn5g
Sent: Saturday, June 07, 2008 3:43 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 help


I am on page 55 of the K3 Assembly manual and everything has gone fine until
now. I am putting the bottom covers on and am unable to get the back cover
on properly. The problem is properly installing the ¼” Black pan screws
(with tooth lock washer) over the three power transistors. The screws are
apparently to short as things stand. I can’t even get them to begin
threading. The transistors have ¼” standoffs under the transistor screw
holes. I am overlooking simple I am sure.

The remaining stanoffs on the RF board that attach to the bottom cover are
¼” and have tooth lock washers. HELP!!! Paul NN5G


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[Elecraft] K3 Beta Firmware Revision 2.02

[wayne burdick]

K3 beta-test firmware revision 2.02 is now available. It includes one 
new feature (channel hopping, especially useful on 60 meters) and a 
correction to CW/VOX behavior. Full details appear below.


For instructions on how to obtain and load beta firmware, please see:

  http://www.elecraft.com/K3/k3_software.htm

Please send any problem reports to [EMAIL PROTECTED]

73,
Wayne
N6KR

* * *

MCU 2.02, 6-7-08

* VOX SWITCH NOW FUNCTIONS CORRECTLY IN CW MODE. When VOX is OFF in
  CW mode, transmit must be enabled via XMIT or PTT rather than just 
hitting the key.


* MEMORY-BASED CHANNEL HOPPING (for 60 m in particular):  This now works
  as described in the K3 Owner’s Manual (rev C., page 37). You can 
manually ‘hop’
  with VFO A, or scan channels. First, store the desired channels in 
adjacent memories.
  For example, you might set up 60-m channels in memories 61-65 (5330.5 
kHz, etc.).
  Next, change the first label character in each of these memories to 
an asterisk (*) as
  described in the manual. (The first memory above and below your 
channel-hop group
  must either have no asterisk in their first label position, or be on 
different bands.)
  Finally, tap M->V and select any one of these memories. Manual 
rotation of VFO A
  and scanning will then use only the memories in the group. To return 
to normal operation,
  use any of the VFO rate switches, or change bands. NOTE: A future 
revision will allow

  FM channel hopping based on squelch activity.

  SCANNING TIP: On a noisy band, scanning may pause too often. Try 
using a narrower
  filter, turning the preamp off, or backing down RF GAIN until the 
scan starts.


---

http://www.elecraft.com

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RE: [Elecraft] K3 serial no. 997

[Dick Dievendorff]

Hi, Garry.  

The microphone connector pinout is shown on page 13 of the K3 Owner's
manual. The index topic is "Front Panel Connectors".  Here is the
description from the owner's manual:

1 Mic audio, low-Z (~600 ohms)
2 PTT
3 DOWN button*
4 UP button*
5 FUNCTION button*
6 8V (10 mA max)
7, 8 Ground

I don't own the microphone you mention, but some of the pins appear to be
connected as expected, but I'm not sure about pin 6, which is "Rev Audio" on
the MC-60 microphone connection layout I found.

The MC-60 is a "dynamic" microphone, and you probably want bias off for that
sort of microphone.

As for amplifier switching, it depends on what kind of amplifier you have.
The K3's Key Out line is described on page 17 of the owner's manual. The Key
Out line is specified to switch up to 200V DC at up to 5 Amps, so maybe your
AmpKeyer isn't required if your amp's T/R relay switching line is within
these limits.

Dick, K6KR
  

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of VE7AJJ
Sent: Saturday, June 07, 2008 3:32 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 serial no. 997
 
Ordered Dec 23 received June 4.

I very much enjoyed the build and really like the rig but I am having
some issues with the setup.  I cannot even find a mic pinout in the
manual.  Wow, that would seem to be pretty basic information to be
included.  I do have an MC-60 which is supposed to be pin for pin
compatable with the K3 but I cannot get much output swing on the
meter.  I know the PA is working because I have tried it in CW and
lots of output on CW but the out put is low on SSB

I know others have had issues with this but I don't seem to find any
solutions in the archhives.  I wonder if someone with an MC-60 that
has successfully set the rig up could please email me and perhaps
compare notes? I would sure appreciate it.  My emails should show up
at the beginning of this post.  If not I can post it on here.

Also.  I'm wondering what to use to key the amp.  I have an Ampkeyer
for interface.  Does a guy just use the switchable 12 volts for that?

Thanks in advance.

73

Garry/Ve7ajj
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RE: [Elecraft] K3 help

[Ron D'Eau Claire]

Hi Paul:

1: Is the LPA fully seated in the RF board? NO pins should show between the
halves of the connectors on the LPA and RF board. Obviously, if it's not
fully seated that will raise up the transistors and the screws might not
reach. 

2: Are you *sure* you have 1/4" screws for those three? They are awfully
close to the 3/16" used  elsewhere, and for the most part you could use a
1/4" screw elsewhere and not notice, until you needed them to secure those
transistors. 

Ron AC7AC

-Original Message-


I am on page 55 of the K3 Assembly manual and everything has gone fine until
now. I am putting the bottom covers on and am unable to get the back cover
on properly. The problem is properly installing the ¼” Black pan screws
(with tooth lock washer) over the three power transistors. The screws are
apparently to short as things stand. I can’t even get them to begin
threading. The transistors have ¼” standoffs under the transistor screw
holes. I am overlooking simple I am sure.

The remaining stanoffs on the RF board that attach to the bottom cover are
¼” and have tooth lock washers. HELP!!! Paul NN5G


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[Elecraft] K3 number 997

[VE7AJJ]

Oops... ignore my previous inquiry about the keyed 12 volt
line to key the amp.   Chalk it up to a seniors moment.  I have the k3
keying the amp quite nicely with the key out.

thanks and 73

Garry/Ve7ajj
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[Elecraft] K3 help

[nn5g]

I am on page 55 of the K3 Assembly manual and everything has gone fine until
now. I am putting the bottom covers on and am unable to get the back cover
on properly. The problem is properly installing the ¼” Black pan screws
(with tooth lock washer) over the three power transistors. The screws are
apparently to short as things stand. I can’t even get them to begin
threading. The transistors have ¼” standoffs under the transistor screw
holes. I am overlooking simple I am sure.

The remaining stanoffs on the RF board that attach to the bottom cover are
¼” and have tooth lock washers. HELP!!! Paul NN5G


-- 
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Re: [Elecraft] K3: TX off frequency

[Bob Tellefsen]

Hi Simon
Don't have the article in front of me, but if
it says what I think it does, we used that technique
back in the 60's when I ran a Heathkit SB100
transceiver.  Worked a lot of DX with it, and
was nearly always spot on their frequency.
Worked really well.
73, Bob N6WG

- Original Message - 
From: "Simon Brown (HB9DRV)" <[EMAIL PROTECTED]>
To: 
Sent: Saturday, June 07, 2008 2:52 PM
Subject: Re: [Elecraft] K3: TX off frequency


> The harmonics of the voice, there was an interesting QEX article
using this
> as the basis of code for auto-tuning SSB signals.
>
> January 1999, Tune SSB Automatically by Robert Dick
>
> Simon Brown, HB9DRV
>
> --
> From: "G4ILO" <[EMAIL PROTECTED]>
> >
> > How could he tell?
> >
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Re: [Elecraft] [K3] CW VOX stuck on, v2.0

[Alexandr Kobranov]

Maybe there will be also chance to change KEY OUT behavior to be also 
OFF when in CW PTT mode the Key is touched. Or select KEY OUT behavior 
in menu somewhere.

But maybe this is not so easy, I know...
73
Lexa, OK1DST
K3/10 #727


Ken K3IU napsal(a):
Problem exists here with 2.00 (I'm not gonna reload 1.99 to check it). 
Everything all right *except* in CW mode when I shift from VOX to PTT. 
In PTT mode with all known PTT inputs disconnected, keying in CW using 
either the internal keyer or an external keyer, causes RF to appear at 
the output connector.


Definitely a bug.

73,
Ken K3IU
K3 #202
~~~
Dick Hanson wrote:

I installed 2.0 last nite.
Dumb luck I guess, but everything is working fine here.
Can operate QSK, semi, vox or whatever; no sticking, no problems.
Dick, K5AND  K3 #50

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[Elecraft] K3 serial no. 997

[VE7AJJ]

Ordered Dec 23 received June 4.

I very much enjoyed the build and really like the rig but I am having
some issues with the setup.  I cannot even find a mic pinout in the
manual.  Wow, that would seem to be pretty basic information to be
included.  I do have an MC-60 which is supposed to be pin for pin
compatable with the K3 but I cannot get much output swing on the
meter.  I know the PA is working because I have tried it in CW and
lots of output on CW but the out put is low on SSB

I know others have had issues with this but I don't seem to find any
solutions in the archhives.  I wonder if someone with an MC-60 that
has successfully set the rig up could please email me and perhaps
compare notes? I would sure appreciate it.  My emails should show up
at the beginning of this post.  If not I can post it on here.

Also.  I'm wondering what to use to key the amp.  I have an Ampkeyer
for interface.  Does a guy just use the switchable 12 volts for that?

Thanks in advance.

73

Garry/Ve7ajj
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Re: [Elecraft] K3: TX off frequency

[Simon Brown (HB9DRV)]

The harmonics of the voice, there was an interesting QEX article using this 
as the basis of code for auto-tuning SSB signals.


January 1999, Tune SSB Automatically by Robert Dick

Simon Brown, HB9DRV

--
From: "G4ILO" <[EMAIL PROTECTED]>


How could he tell?


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RE: [Elecraft] K3: 6M SSB audio hash

[Joe Subich, W4TV]

Jim, 

Which is it?  In this reply you say: 

> >... but not as good as if the shield were connected to the 
> >chassis (usually PTT ground) and the mic treated as a 
> >floating/balanced input.  
> 
> WRONG! What you have just described is perfect example of a pin 1 
> problem, and a VERY common cause of hum, buzz, and RFI. 

but in the reply to Jamie you say: 

> The proper connection for that is to connect the two mic 
> wires (the hot and the shield) to the balanced input AND 
> to connect the shield DIRECTLY TO THE CHASSIS by a very 
> short path.   

Your description says the very same thing as I did ... mic wires 
floating with the shield connected directly to the chassis.  

The point is that Icom, Yaesu, Kenwood and Heil all float the 
mic return above the chassis and then connect the shield of the 
mic cable to the floated mic return!  The shield should be 
connected to the PTT return - which is connected to the chassis. 

Elecraft connect the mic return to chassis inside the K3 *BUT* 
Pins 7 and 8 (PTT and mic return) have series chokes which result 
in about 5 Ohms of resistance between both pins and the case. 
The same is true for the shield/sleeve of the rear panel mic 
jack ... the sleeve is floated by an RF choke with about 5 Ohms 
of DC resistance.  

The best solution for all amateurs is to connect the mic return 
pin on the mic connector to the shell to tie both mic return and 
shield to the chassis by the lowest possible resistance path. 

73, 

   ... Joe, W4TV 
 





> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Jim Brown
> Sent: Saturday, June 07, 2008 12:12 PM
> To: Elecraft List
> Subject: RE: [Elecraft] K3: 6M SSB audio hash
> 
> 
> On Sat, 7 Jun 2008 01:41:02 -0400, Joe Subich, W4TV wrote:
> 
> >That is *NOT* what is happening ... the mic connection does not 
> >simply "unbalance" the mic input because one side of the preamp 
> >is still not grounded.  What is happening is that the mic is 
> >connected to the preamp in a balanced configuration but the 
> >shield is left floating on the mic end and tied to the mic 
> >return at the transmitter input.  The mic return is then tied 
> >back to the chassis through an RF choke (DC return). 
> 
> That is an improper connection, a violation of AES48, and a 
> violation of good engineering practice. The ONLY proper connection 
> of ANY cable shield is to the shielding enclosure. A balanced 
> input can take (at least) two forms. One is a transformer. The 
> other is a differential input stage. The mic must be connected to 
> the two terminals of those inputs, and the shield must go straight 
> to the chassis, NOT through a choke. 
> 
> You say "What is happening"  -- do you mean that this is wiring 
> provided by the W2IHY box? If so, I agree it is really bad. 
> 
> >It would be better if the mic return (and shield) was connected 
> >directly to the chassis at the mic connector than the present 
> >situation 
> 
> Absolutely -- it is the ONLY right way to connect a cable shield.
> 
> >... but not as good as if the shield were connected to the 
> >chassis (usually PTT ground) and the mic treated as a 
> >floating/balanced input.  
> 
> WRONG! What you have just described is perfect example of a pin 1 
> problem, and a VERY common cause of hum, buzz, and RFI. 
> 
> See AES48. http://www.aes.org/publications/standards/list.cfm
> 
> See also the tutorials on my website. 
> 
> http://audiosystemsgroup.com/publish
> 
> The pro audio world figured this out long ago. Virtually all EMC 
> authorities agree. It's really sad that hams have kept their heads 
> in the sand about it. 
> 
> 73,
> 
> Jim Brown K9YC
> 
> 
> 
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Re: [Elecraft] K3: TX off frequency

[G4ILO]

ab2tc wrote:
> 
> Today, for the first time I got a report claiming I was coming back about
> 100Hz high in frequency on SSB (USB). I received him spot on at the
> frequency he had on his dial and returned to him without any RIT or split
> function activated. This was an experienced ham, so this has me concerned.
> I have the 2.00 firmware.
> 
How could he tell? When tuning in an SSB signal, the frequency could vary by
+ or - 100Hz or more according to personal taste, especially if you don't
know what the other guy's voice really sounds like.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
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[Elecraft] Re: [K3] K3 and Logger32 logging program

[a yoshida]

Good spot Hank.

The help file will be revised in next version.

Thanks

73 de aki  ja1nlx

- Original Message - 
From: "hank k8dd" <[EMAIL PROTECTED]>

To: "Elecraft Reflector" 
Sent: Sunday, June 08, 2008 4:55 AM
Subject: [K3] K3 and Logger32 logging program


If you click on a DX spot, or type in the frequency to change to another 
band and / or mode and the filters do not switch to the default settings 

And you are using Logger32 - Here is the answer to get SSB settings on 
SSB, Data settings on Data and CW settings on CW sent to the K3!


In the help file there is a section on the K3, but that is for pre-MCU 2.00.
Here is an update to how it works for MCU 2.00 and above:

Filter selection
The K2 and K3 should always store those filter setting by each mode. If you 
select the mode by manually or
clicking DX spot then in the future  they will select the filter by stored 
setting.
There is another way to select a filter directly from Logger32. Add one or 
two of the following section in
the Logger32.ini. “n” in FWn is Filter number of your K2.  FW is 
the DSP bandwidth on your K3 (see

examples below).  The K3 will select the proper first IF (roofing) filter.

For radio 1 (Elecraft) put following lines (Sample for K3)

For K3 below MCU Firmware 2.00
   [Elecraft Filter 1] # This is for Radio 1
   USB=K22; FW1;   # K22; puts the K2 or K3 in 'extended 
mode;  FWx sets the filter to FLx

   LSB=K22; FW1;
   RTTY=K22; FW2;
   CW=K22; FW2;
For K3 MCU Firmware 2.00 and above
   [Elecraft Filter 1]This is for Radio 1
   USB=K31;FW0270;FW0270; # K31; puts the K3 in 'extended mode' 
FW0270; is 2700 Hz for the DSP filter
   LSB=K31;FW0260;FW0260; # K31; puts the K3 in 'extended mode' 
FW0260; is 2600 Hz for the DSP filter
   RTTY=K31;FW0100;FW0100;# K31; puts the K3 in 'extended mode' 
FW0100; is 1000 Hz for the DSP filter
   CW=K31;FW0070;FW0070;  # K31; puts the K3 in 'extended mode' 
FW0070; is 700 Hz for the DSP filter


K3 DSP filter is set to the closest lower 50 Hz.  i.e. FW0069; will default 
to 650 Hz.


For radio 2 (Elecraft) put following lines (Sample for K2).
   [Elecraft Filter 2]# This is for Radio 2
   USB=K22; FW1;
   LSB=K22; FW2;
   RTTY=K22; FW3;
   CW=K22; FW4;

You may need to repeat the command for certain filter selections, especially 
in K3.

   CW=K22; FW2; FW2;


--
'Never argue with an idiot. They drag you down to their
level then beat you with experience.' -anon
--




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Re: [Elecraft] FS K3

[Dan AE6G]

SOLD

Dan AE6G wrote:
> 
> Why wait?
> For sale:
> K3/100 fully assembled and opertional
> KAT3 ATU
> KBPF3 gen cov RX
> FM filter
> 500 Hz filter
> KXV3 transverter interface
> Paid $2670.84
> Your price $2670 plus shipping from Fresno, CA
> Pleaseall replies offline to diehlman(at)sbcglobal.net
> 

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[Elecraft] [K3] SPOT Request

[Roy Morris]

I think adding the tone to the SPOT hold function is a good idea.  Roy Morris  
W4WFB
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Re: [Elecraft] Kits on a plane question

[Are LB3SA]

Three weeks ago I brought home on a plane from Florida to Norway a K2 kit
with all possible option kits except transverter adapter. I packed it all in
my suitcase and never had any problems. I didn't exepct to have any problems
either. As a kit you shouldn't have to worry about documentation for the
FCC.

Are - LB3SA 

KX1# 1864 
K2# 6498 
K3: Delivery late July 


Alan Price-2 wrote:
> 
> 
> Has anyone taken an un-opened Elecraft kit on a plane?  Was it an issue? 
> Did they ask you to open the box?
> 
> 

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RE: [Elecraft] K3 Shipping status

[gd0tep]

Ordered mine on the 22nd of January, received email from Katie on Friday.

There's a small delay on the KRX3 Sub Receiver, but it could be shipped soon
if I wanted it.

Andy
http://gd0tep.com


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Peter
Sent: 07 July 2008 21:00
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3 Shipping status


   Yes!
   We are in 2008!
   Accoording to the shipping status:
   Between  now  June  14th   we  should  be  shipping K3 orders received
   through January 15th.
   Still 2 months go.
   Peter
   
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RE: [Elecraft] Kits on a plane question

[Chris Craig]

> 
> Has anyone taken an un-opened Elecraft kit on a plane?  Was it an issue?  Did 
> they ask you to open the box?
> 
> 
> 73
> Alan
> W1HYV
> 
> _

Alan,

I've taken a K-1 plus many others. All have been small. I opened them all and 
put them in 'check-in' luggage. I'd rather open them, then have 'them' do it. 
(or them, do it, to it.). They have never opened a kit. The antenna tuner on 
the other hand (coil), made them open it.

As I said, all kits have been small, no K3 and all my flights have been 
international flights. Domestic flights may be different. Good luck.

HTH, Chris, KE6GS /XE3
_
Instantly invite friends from Facebook and other social networks to join you on 
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[Elecraft] Cancel my subscription please.

[John]

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[Elecraft] K3 Shipping status

[Peter]

   Yes!
   We are in 2008!
   Accoording to the shipping status:
   Between  now  June  14th   we  should  be  shipping K3 orders received
   through January 15th.
   Still 2 months go.
   Peter
   
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[Elecraft] [K3] K3 and Logger32 logging program

[hank k8dd]

If you click on a DX spot, or type in the frequency to change to another band 
and / or mode and the filters do not switch to the default settings 
And you are using Logger32 - Here is the answer to get SSB settings on SSB, 
Data settings on Data and CW settings on CW sent to the K3!

In the help file there is a section on the K3, but that is for pre-MCU 2.00.  
Here is an update to how it works for MCU 2.00 and above:

Filter selection
The K2 and K3 should always store those filter setting by each mode. If you 
select the mode by manually or 
clicking DX spot then in the future  they will select the filter by stored 
setting.
There is another way to select a filter directly from Logger32. Add one or two 
of the following section in 
the Logger32.ini. “n” in FWn is Filter number of your K2.  FW is the 
DSP bandwidth on your K3 (see 
examples below).  The K3 will select the proper first IF (roofing) filter.

For radio 1 (Elecraft) put following lines (Sample for K3)

For K3 below MCU Firmware 2.00
[Elecraft Filter 1] # This is for Radio 1
USB=K22; FW1;   # K22; puts the K2 or K3 in 'extended mode; 
 FWx sets the filter to FLx
LSB=K22; FW1;
RTTY=K22; FW2;
CW=K22; FW2;
For K3 MCU Firmware 2.00 and above
[Elecraft Filter 1]This is for Radio 1
USB=K31;FW0270;FW0270; # K31; puts the K3 in 'extended mode'   
FW0270; is 2700 Hz for the DSP filter
LSB=K31;FW0260;FW0260; # K31; puts the K3 in 'extended mode'   
FW0260; is 2600 Hz for the DSP filter
RTTY=K31;FW0100;FW0100;# K31; puts the K3 in 'extended mode'   
FW0100; is 1000 Hz for the DSP filter
CW=K31;FW0070;FW0070;  # K31; puts the K3 in 'extended mode'   
FW0070; is 700 Hz for the DSP filter

K3 DSP filter is set to the closest lower 50 Hz.  i.e. FW0069; will default to 
650 Hz.

For radio 2 (Elecraft) put following lines (Sample for K2).
[Elecraft Filter 2]# This is for Radio 2
USB=K22; FW1;
LSB=K22; FW2;
RTTY=K22; FW3;
CW=K22; FW4;

You may need to repeat the command for certain filter selections, especially in 
K3. 
CW=K22; FW2; FW2; 


 -- 
'Never argue with an idiot. They drag you down to their 
level then beat you with experience.' -anon
--




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[Elecraft] NAQCC Sprint Tuesday night!

[NAQCC]

NAQCC Sprint Tuesday night!
This coming Tuesday evening will be the monthly NAQCC Sprint for June, 2008.

I will refer you to the proper URL:

http://www.arm-tek.net/~yoel/sprint200806.html

There you will find all the details as to time, frequencies and also a special 
prize.

Since this is Field Day month, our special award goes to the one making the 
highest score while operating out of doors away from their regular QTH.

This is a monthly event that caters to the CW veteran, the CW newcomer, 
straight key and bug fans. All are welcome to participate; but you must use QRP 
power levels to compete for awards.

Come join us and have a real good time!

73 de Dave VA3RJ
NAQCC #0004

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Re: [Elecraft] [K3] SPOT Request

[David Ferrington, M0XDF]

I second the adjust pitch while hearing Rx
--  
Natural ability without education has more often attained to glory and  
virtue than education without natural ability. -Cicero, statesman,  
orator, writer (106-43 BC)


On 7 Jun 2008, at 14:06, K2ZLS wrote:


Hi Everybody:
   K3  Beta tester # 703  checking in.   New version 2.0 loaded and  
everything seems fine.  I see that  CWT  seems to work again  
but...there is no mention of it in release notes.


 SPOT Request.  With SPOT[tap]  the pitch setting is heard with the  
received auto.  But with SPOT[hold] there is no received  
signal...just the pitch setting which sounds like a strong carrier  
with slight hum.   I would like to see the SPOT[hold] work just like  
SPOT[tap] so you can hear the received signal while you adjust the  
pitch. Its much easier to pick a setting if you can hear both sides  
at the same time.  I would also like finer control [25] would be ok   
with me.


Thanks ELECRAFT   I  LUV MY K3.
73,   TonyK2ZLS
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[Elecraft] K3: TX off frequency

[ab2tc]

Today, for the first time I got a report claiming I was coming back about
100Hz high in frequency on SSB (USB). I received him spot on at the
frequency he had on his dial and returned to him without any RIT or split
function activated. This was an experienced ham, so this has me concerned. I
have the 2.00 firmware.

Knut - AB2TC
-- 
View this message in context: 
http://www.nabble.com/K3%3A-TX-off-frequency-tp17711751p17711751.html
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Re: [Elecraft] FS K3

[Dan AE6G]

Serial# = 993 (kit built)

Dan AE6G wrote:
> 
> Why wait?
> For sale:
> K3/100 fully assembled and opertional
> KAT3 ATU
> KBPF3 gen cov RX
> FM filter
> 500 Hz filter
> KXV3 transverter interface
> Paid $2670.84
> Your price $2670 plus shipping from Fresno, CA
> Pleaseall replies offline to diehlman(at)sbcglobal.net
> 

-- 
View this message in context: 
http://www.nabble.com/FS-K3-tp17711441p17711648.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] FS K3

[Dan AE6G]

Sorry: serial# is 993

Dan AE6G wrote:
> 
> 
> 
> Dan AE6G wrote:
>> 
>> Why wait?
>> For sale:
>> K3/100 fully assembled and opertional
>> KAT3 ATU
>> KBPF3 gen cov RX
>> FM filter
>> 500 Hz filter
>> KXV3 transverter interface
>> Paid $2670.84
>> Your price $2670 plus shipping from Fresno, CA
>> Pleaseall replies offline to diehlman(at)sbcglobal.net
>> 
> 
> 

-- 
View this message in context: 
http://www.nabble.com/FS-K3-tp17711441p17711629.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] FS K3

[Dan AE6G]

Dan AE6G wrote:
> 
> Why wait?
> For sale:
> K3/100 fully assembled and opertional
> KAT3 ATU
> KBPF3 gen cov RX
> FM filter
> 500 Hz filter
> KXV3 transverter interface
> Paid $2670.84
> Your price $2670 plus shipping from Fresno, CA
> Pleaseall replies offline to diehlman(at)sbcglobal.net
> 

-- 
View this message in context: 
http://www.nabble.com/FS-K3-tp17711441p17711620.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] FS K3

[Dan AE6G]

Why wait?
For sale:
K3/100 fully assembled and opertional
KAT3 ATU
KBPF3 gen cov RX
FM filter
500 Hz filter
KXV3 transverter interface
Paid $2670.84
Your price $2670 plus shipping from Fresno, CA
Pleaseall replies offline to diehlman(at)sbcglobal.net
-- 
View this message in context: 
http://www.nabble.com/FS-K3-tp17711441p17711441.html
Sent from the Elecraft mailing list archive at Nabble.com.

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RE: [Elecraft] [K3] CW VOX stuck on, v2.0

[Dick Hanson]

Round two on this.
After re-reading one earlier post and then looking at what Ken said, I am
going to modify my post.
I thot the problem was that the radio stayed keyed on. I did not/do not have
that problem.
My radio functions exactly as Ken described, which is to say that I have rf
out when keying.with no PTT keyed.

While we're on this subject, I noticed that the delay for tx dropout
(assuming semi break-in/vox mode) changes from ssb to cw.
IOW, say you're on ssb and hit the key to reply to someone calling on cw,
the delay from tx back to rx is pretty short, and bears no resemblance to
what I dialed in on cw. I would have thot that the delays would be/could be
selected separately by mode and then stored in memory. Guess not.
73
Dick, K5AND

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ken K3IU
Sent: Saturday, June 07, 2008 12:07 PM
To: elecraft@mailman.qth.net
Cc: Wayne Burdick
Subject: Re: [Elecraft] [K3] CW VOX stuck on, v2.0

Problem exists here with 2.00 (I'm not gonna reload 1.99 to check it). 
Everything all right *except* in CW mode when I shift from VOX to PTT. 
In PTT mode with all known PTT inputs disconnected, keying in CW using 
either the internal keyer or an external keyer, causes RF to appear at 
the output connector.

Definitely a bug.

73,
Ken K3IU
K3 #202
~~~
Dick Hanson wrote:
> I installed 2.0 last nite.
> Dumb luck I guess, but everything is working fine here.
> Can operate QSK, semi, vox or whatever; no sticking, no problems.
> Dick, K5AND  K3 #50

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[Elecraft] WA3WSJ: 2nd Leg of Footsteps to Maryland AT QRP Hike

[Edward R. Breneiser]

Hello all,

I finished the first leg (27M) of my Four-Part Footsteps to Maryland AT
QRP Hike. I now will hike and play qrp on the second leg. The plan is to
hike from Boiling Springs, PA to Pine Grove Furnace State Park, PA. This
will be around a twenty-mile hike on the Appalachian Trail. I will take
my "Pimped-Out" Elecraft KX1 Radio with me and operate late afternoons,
early evenings and mornings. Listen for WA3WSJ around 7.030mhz,
10.117mhz and 14.060mhz. 

Call:WA3WSJ
Dates:   6/11 - 6/14
Place:   Appalachian Trail in PA
Freq:7.030mhz, 10.117mhz & 14.060mhz +- qrm

I will send out my special Kangaroo Ed QSL Card to all who send me a qsl
card. Check it out at http://wa3wsj.homestead.com


72,

Kangaroo Ed, WA3WSJ



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[Elecraft] Re: CW VOX stuck on, v2.0

[wayne burdick]

I've located the problem and will update the firmware shortly.

tnx
Wayne
N6KR


---

http://www.elecraft.com

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Re: [Elecraft] [K3] CW VOX stuck on, v2.0

[Ken K3IU]

Problem exists here with 2.00 (I'm not gonna reload 1.99 to check it). 
Everything all right *except* in CW mode when I shift from VOX to PTT. 
In PTT mode with all known PTT inputs disconnected, keying in CW using 
either the internal keyer or an external keyer, causes RF to appear at 
the output connector.


Definitely a bug.

73,
Ken K3IU
K3 #202
~~~
Dick Hanson wrote:

I installed 2.0 last nite.
Dumb luck I guess, but everything is working fine here.
Can operate QSK, semi, vox or whatever; no sticking, no problems.
Dick, K5AND  K3 #50

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RE: [Elecraft] [K3] CW VOX stuck on, v2.0

[Dick Hanson]

I installed 2.0 last nite.
Dumb luck I guess, but everything is working fine here.
Can operate QSK, semi, vox or whatever; no sticking, no problems.
Dick, K5AND  K3 #50


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[Elecraft] [K3] CW VOX stuck on, v1.99 and later.

[Roy Morris]

I have v.2.00 firmware installed, and I also find the CW VOX stuck on in the CW 
mode.  It is also stuck in QSK in CW mode.  SEMI is the same as QSK.  Roy 
Morris  W4WFB  K3 #323
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RE: [Elecraft] K3: 6M SSB audio hash

[Jim Brown]

On Sat, 7 Jun 2008 09:08:59 -0500, James C. Hall, MD wrote:

>This is all very interesting. What do you see as my solution ? Do I need to
>add a ground in some way to the cable ?

I missed the details of exactly what you are trying to connect to what. As I 
understand it, you are trying to connect an unbalanced mic to a balanced input. 
The proper connection for that is to connect the two mic wires (the hot and the 
shield) to the balanced input AND to connect the shield DIRECTLY TO THE CHASSIS 
by a very short path.  

Many products are manufactured in such a way that what I have described is 
difficult -- the shield connection goes to the printed circuit board, wanders 
around a while, and eventually finds the chassis. This is called a Pin 1 
problem 
(because it was first well understood in the pro audio world, and pin 1 is the 
shield contact of a pro connector), and it is a MAJOR cause of hum, buzz, and 
RFI. 

If the cable shield does not go straight to the chassis, it cannot function as 
a 
shield. If it has a long (inductive) path to the chassis, it provides a VERY 
strong path for RFI into the box. See the tutorial on my website, cited in an 
earlier email.  

73,

Jim Brown K9YC


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RE: [Elecraft] K3: 6M SSB audio hash

[Jim Brown]

On Sat, 7 Jun 2008 01:41:02 -0400, Joe Subich, W4TV wrote:

>That is *NOT* what is happening ... the mic connection does not 
>simply "unbalance" the mic input because one side of the preamp 
>is still not grounded.  What is happening is that the mic is 
>connected to the preamp in a balanced configuration but the 
>shield is left floating on the mic end and tied to the mic 
>return at the transmitter input.  The mic return is then tied 
>back to the chassis through an RF choke (DC return). 

That is an improper connection, a violation of AES48, and a 
violation of good engineering practice. The ONLY proper connection 
of ANY cable shield is to the shielding enclosure. A balanced 
input can take (at least) two forms. One is a transformer. The 
other is a differential input stage. The mic must be connected to 
the two terminals of those inputs, and the shield must go straight 
to the chassis, NOT through a choke. 

You say "What is happening"  -- do you mean that this is wiring 
provided by the W2IHY box? If so, I agree it is really bad. 

>It would be better if the mic return (and shield) was connected 
>directly to the chassis at the mic connector than the present 
>situation 

Absolutely -- it is the ONLY right way to connect a cable shield.

>... but not as good as if the shield were connected to the 
>chassis (usually PTT ground) and the mic treated as a 
>floating/balanced input.  

WRONG! What you have just described is perfect example of a pin 1 
problem, and a VERY common cause of hum, buzz, and RFI. 

See AES48. http://www.aes.org/publications/standards/list.cfm

See also the tutorials on my website. 

http://audiosystemsgroup.com/publish

The pro audio world figured this out long ago. Virtually all EMC 
authorities agree. It's really sad that hams have kept their heads 
in the sand about it. 

73,

Jim Brown K9YC



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Re: [Elecraft] [K3] CW VOX stuck on, v1.99 and later.

[K4IA]

Is it possible you are using a rig control /  logging program (DxLab HRD) 
that is sending the PTT via the software?

In  a message dated 6/7/2008 11:59:14 A.M. Eastern Daylight Time,  
[EMAIL PROTECTED] writes:
So if an inadvertent PTT is coming from  somewhere else, please tell
me where to look


k4ia
Craig  "Buck"
Fredericksburg, Virginia
K3 #101  




**Get trade secrets for amazing burgers. Watch "Cooking with 
Tyler Florence" on AOL Food.  
(http://food.aol.com/tyler-florence?video=4?&NCID=aolfod000302)
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[Elecraft] [K3] CW VOX stuck on, v1.99 and later.

[Carl Clawson]

I keyed my K3 several times into an open connector before I noticed the
"HIGH SWR" warning! I really hate it when that happens. Funny, I had made
sure VOX was off and there was no external PTT before I started warming up
the fist on the paddles. And yes, the PTT setting in the config menu is
OFF-OFF. So if an inadvertent PTT is coming from somewhere else, please tell
me where to look. Maybe I better get in the habit of using TX TEST mode.

I went from V2.00 back to 1.99 and got the same behavior.

However, I went back to 1.96 and now it behaves like it ought. So I'm
thinking "bug".

73, Carl WS7L

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Re: [Elecraft] K1 drift cured (almost)

[George Victor]

My K1 drifts if I squeeze it!





On Fri, Jun 6, 2008 at 5:35 AM, Christer Andersson <[EMAIL PROTECTED]> wrote:
> I forgot to mention that the added huff & puff board draws 20 mA.
>
> /Christer
> SM6PXJ
>
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RE: [Elecraft] K3: 6M SSB audio hash

[James C. Hall, MD]

Good thought, Phil. Actually I have an external speaker plugged in, a NCS 8
ohm, and I did try unplugging the speaker to see what would happen. Same
story - no change in hash. The answer has got to be in the cable itself. If
it's verified with a solution, I can actually have another cable made.

73, Jamie
WB4YDL

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Phillip Buckholdt
Sent: Saturday, June 07, 2008 7:34 AM
To: Jim Brown; Elecraft List
Subject: Re: [Elecraft] K3: 6M SSB audio hash

Do you have anything plugged into the rear headphone jack ?  I have a pair 
oof Bose powered  speakers plugged in  and at higher power levels, I get 
severe RFI,
. With the same speakers on my K-2/100 or my IC-7000 I have no trouble. When

I had a IC-746 I had no RFI in the speakers.

 Just a thought.

 Phil K8MBY


- Original Message - 
From: "Jim Brown" <[EMAIL PROTECTED]>
To: "Elecraft List" 
Sent: Saturday, June 07, 2008 12:45 AM
Subject: RE: [Elecraft] K3: 6M SSB audio hash


> On Fri, 6 Jun 2008 21:22:41 -0400, Joe Subich, W4TV wrote:
>
>>There is a significant problem in using balanced input with any
>>"amateur mic" - including Icom, Kenwood, Yaesu and Heil.  Yaesu,
>>Kenwood and Heil connect the shield of the mic cable to the mic
>>return and not chassis (ground).  Icom uses the shield as the
>>mic return.
>
>>When the shield of the mic cable is tied to the low side of a
>>balanced input, RF that SHOULD go to ground/chassis is forced
>>through the mic preamp instead.   With the shield tied to the
>>mic return there is effectively a 10' piece of wire (antenna)
>>connected to the mic input unless the mic return is tied to
>>the chassis and the chassis is connected to a solid RF ground.
>
> This is not correct. There is nothing wrong with connecting an
> unbalanced mic to a balanced input -- you simply unbalance the
> input by grounding one side of the input. You lose the benefit of
> the balanced circuitry's ability to reject noise, but the input
> will work fine. The correct wiring is simply hot to one side,
> shield to the other side AND the chassis.
>
> I do have a serious quarrel with the W2IHY equalizer though -- it
> is FAR more complex and expensive than needed to get great audio
> from a pro mic with a ham rig. All you really need for an
> equalizer is a good quality capacitor of suitable value in series
> between the mic and the mic input of the radio. The capacitor is
> chosen to provide a low frequency rolloff fairly high in the
> audio passband. See
>
> http://audiosystemsgroup.com/HamInterfacing.pdf
>
> I have used a circuit like this with an EV RE16 and several rigs.
> Total cost about $0.50. It would work equally well with any good
> low-Z dynamic mic. I've also changed values in coupling
> capacitors in the K2 to achieve the same result, and that works
> quite well too. You don't need the capacitor with a K3, of course
> -- the equalizer in DSP does the job.
>
> Pro dynamic mics are easily connected to ham rigs -- since
> they're balanced, one side of the balanced output goes to the mic
> input, the other side goes to audio return, and the shield goes
> to the chassis. I've done this quite successfully with an Omni V,
> a TS850, and FT1000MP. By successfully, I mean that I get VERY
> competitve, clean, contest-quality audio that cuts through QRM
> and noise.
>
>
> ___
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> 


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RE: [Elecraft] K3: 6M SSB audio hash

[James C. Hall, MD]

Jim and Joe:

This is all very interesting. What do you see as my solution ? Do I need to
add a ground in some way to the cable ?

73, Jamie
WB4YDL

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Brown
Sent: Friday, June 06, 2008 11:46 PM
To: Elecraft List
Subject: RE: [Elecraft] K3: 6M SSB audio hash

On Fri, 6 Jun 2008 21:22:41 -0400, Joe Subich, W4TV wrote:

>There is a significant problem in using balanced input with any 
>"amateur mic" - including Icom, Kenwood, Yaesu and Heil.  Yaesu, 
>Kenwood and Heil connect the shield of the mic cable to the mic 
>return and not chassis (ground).  Icom uses the shield as the 
>mic return.  

>When the shield of the mic cable is tied to the low side of a 
>balanced input, RF that SHOULD go to ground/chassis is forced 
>through the mic preamp instead.   With the shield tied to the 
>mic return there is effectively a 10' piece of wire (antenna) 
>connected to the mic input unless the mic return is tied to 
>the chassis and the chassis is connected to a solid RF ground. 

This is not correct. There is nothing wrong with connecting an 
unbalanced mic to a balanced input -- you simply unbalance the 
input by grounding one side of the input. You lose the benefit of 
the balanced circuitry's ability to reject noise, but the input 
will work fine. The correct wiring is simply hot to one side, 
shield to the other side AND the chassis. 

I do have a serious quarrel with the W2IHY equalizer though -- it 
is FAR more complex and expensive than needed to get great audio 
from a pro mic with a ham rig. All you really need for an 
equalizer is a good quality capacitor of suitable value in series 
between the mic and the mic input of the radio. The capacitor is 
chosen to provide a low frequency rolloff fairly high in the 
audio passband. See

http://audiosystemsgroup.com/HamInterfacing.pdf

I have used a circuit like this with an EV RE16 and several rigs. 
Total cost about $0.50. It would work equally well with any good 
low-Z dynamic mic. I've also changed values in coupling 
capacitors in the K2 to achieve the same result, and that works 
quite well too. You don't need the capacitor with a K3, of course 
-- the equalizer in DSP does the job. 

Pro dynamic mics are easily connected to ham rigs -- since 
they're balanced, one side of the balanced output goes to the mic 
input, the other side goes to audio return, and the shield goes 
to the chassis. I've done this quite successfully with an Omni V, 
a TS850, and FT1000MP. By successfully, I mean that I get VERY 
competitve, clean, contest-quality audio that cuts through QRM 
and noise. 


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Checked by AVG. 
Version: 8.0.100 / Virus Database: 270.0.0/1488 - Release Date: 6/6/2008
5:48 PM

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[Elecraft] Kits on a plane question

[Alan Price]

Has anyone taken an un-opened Elecraft kit on a plane?  Was it an issue?  Did 
they ask you to open the box?


73
Alan
W1HYV

_
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Re: [Elecraft] [K3] fast tuning with VFO B problem

[David Yarnes]

Werner,

I think you are using the wrong knob.  Setting VFO OFS to ON, enables use of 
the RIT knob as a fast tuning feature, not the VFO B knob.  Hoffentlich das 
ist die richtige antwort!


Dave W7AQK

- Original Message - 
From: "Dr. Werner Furlan" <[EMAIL PROTECTED]>

To: 
Sent: Saturday, June 07, 2008 3:49 AM
Subject: [Elecraft] [K3] fast tuning with VFO B problem



I have set Config VFO OFS to ON to use the VFO B for fast tuning, but it no
longer works. I know it did, but no more.
VFO OFS to off or on changes nothing.
I have the latest firmware loaded.
RIT/XIT are off of course.
does anybody know what could be wrong?

73! de Werner OE9FWV

--
"Sometimes, a cigar is just a cigar."-- often attributed to Freud


Email powered by Pegasus Mail free at 
Homepage: 
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Mobile +43 664 6340014
Elecraft K2 #5203 K3 #656


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Re: [Elecraft] K3: 6M SSB audio hash

[Phillip Buckholdt]

Do you have anything plugged into the rear headphone jack ?  I have a pair 
oof Bose powered  speakers plugged in  and at higher power levels, I get 
severe RFI,
. With the same speakers on my K-2/100 or my IC-7000 I have no trouble. When 
I had a IC-746 I had no RFI in the speakers.


Just a thought.

Phil K8MBY


- Original Message - 
From: "Jim Brown" <[EMAIL PROTECTED]>

To: "Elecraft List" 
Sent: Saturday, June 07, 2008 12:45 AM
Subject: RE: [Elecraft] K3: 6M SSB audio hash



On Fri, 6 Jun 2008 21:22:41 -0400, Joe Subich, W4TV wrote:


There is a significant problem in using balanced input with any
"amateur mic" - including Icom, Kenwood, Yaesu and Heil.  Yaesu,
Kenwood and Heil connect the shield of the mic cable to the mic
return and not chassis (ground).  Icom uses the shield as the
mic return.



When the shield of the mic cable is tied to the low side of a
balanced input, RF that SHOULD go to ground/chassis is forced
through the mic preamp instead.   With the shield tied to the
mic return there is effectively a 10' piece of wire (antenna)
connected to the mic input unless the mic return is tied to
the chassis and the chassis is connected to a solid RF ground.


This is not correct. There is nothing wrong with connecting an
unbalanced mic to a balanced input -- you simply unbalance the
input by grounding one side of the input. You lose the benefit of
the balanced circuitry's ability to reject noise, but the input
will work fine. The correct wiring is simply hot to one side,
shield to the other side AND the chassis.

I do have a serious quarrel with the W2IHY equalizer though -- it
is FAR more complex and expensive than needed to get great audio
from a pro mic with a ham rig. All you really need for an
equalizer is a good quality capacitor of suitable value in series
between the mic and the mic input of the radio. The capacitor is
chosen to provide a low frequency rolloff fairly high in the
audio passband. See

http://audiosystemsgroup.com/HamInterfacing.pdf

I have used a circuit like this with an EV RE16 and several rigs.
Total cost about $0.50. It would work equally well with any good
low-Z dynamic mic. I've also changed values in coupling
capacitors in the K2 to achieve the same result, and that works
quite well too. You don't need the capacitor with a K3, of course
-- the equalizer in DSP does the job.

Pro dynamic mics are easily connected to ham rigs -- since
they're balanced, one side of the balanced output goes to the mic
input, the other side goes to audio return, and the shield goes
to the chassis. I've done this quite successfully with an Omni V,
a TS850, and FT1000MP. By successfully, I mean that I get VERY
competitve, clean, contest-quality audio that cuts through QRM
and noise.


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[Elecraft] Re:Hello

[k7cr]

Thought I'd say Hello to all

I recently ordered my K3 at the Seaside Oregon 
gathering and have been urged by old friends

Ken Kopp, K0PP and Nick Winter, K7MO
to join you on the Remailer.   I am just under
4 months away and counting.

Clay Freinwald, K7CR

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[Elecraft] [K3] SPOT Request

[K2ZLS]

Hi Everybody:
K3  Beta tester # 703  checking in.   New version 2.0 loaded and 
everything seems fine.  I see that  CWT  seems to work again but...there 
is no mention of it in release notes.


  SPOT Request.  With SPOT[tap]  the pitch setting is heard with the 
received auto.  But with SPOT[hold] there is no received signal...just 
the pitch setting which sounds like a strong carrier with slight hum.   
I would like to see the SPOT[hold] work just like SPOT[tap] so you can 
hear the received signal while you adjust the pitch. Its much easier to 
pick a setting if you can hear both sides at the same time.  I would 
also like finer control [25] would be ok  with me.


Thanks ELECRAFT   I  LUV MY K3.
73,   TonyK2ZLS
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Re: [Elecraft] Xverters

[Johnny Siu]

Hello OM,

I am using XV144 with my K3, IC7800 and IC7700.  It outperform my IC970H, 
IC910H, TS790A and of course FT736R.  My only complaint is that XV144 is not 
quite design for FM use and becomes extremely hot when operating under FM mode.

I now use a cooling platform, which is designed for notebook computer, to cool 
my XV144.

I hesitate to buy the XV432 because I have learnt some unfavourable reports 
about frequency and operation instability.  I am awaiting more positive reports 
about XV432 before I go ahead and build it.

cheers,

Johnny VR2XMC


--- 2008年6月7日 星期六，Eric Swartz - WA6HHQ, Elecraft <[EMAIL PROTECTED]> 寫道﹕

> 寄件人: Eric Swartz - WA6HHQ, Elecraft <[EMAIL PROTECTED]>
> 主題: Re: [Elecraft] Xverters
> 收件人: "cptpatmcd" <[EMAIL PROTECTED]>
> 副本(CC): elecraft@mailman.qth.net
> 日期: 2008 6 7 星期六 上午 7:30
> The FT736R is not known for having much dynamic range. I own
> one. :-) 
> Its a great overall rig for VHF/UHF use with multiple bands
> in one box, 
> but as a result there are many compromises. Most multi-band
> VHF rigs 
> compromise their dynamic range, phase noise etc.
> 
> In general a high performance transverter, like our XV
> family, paired 
> with a high dynamic range rig like our K3 and K2, will
> outperform most 
> multi band VHF/UHF rigs for receive performance.
> 
> The Elecraft XVs are designed to match the wide dynamic
> range of the K2 
> and K3. Plus their front end pre-amps are very quiet. While
> they will 
> work with most HF rigs, they tightly integrate with the K3
> and K2. The 
> K3 supports up to 9 transverter bands (6 on the K2) with
> correct VHF/UHF 
> frequency display and individual transverter offsets
> programmable on 
> each band. Each of our XVs will power up and drop on/off
> line as they 
> are selected by the K3 or K2. Also, we support using an XV,
> like the 
> XV144, as an intermediate IF for microwave use.
> 
> 73, Eric   WA6HHQ



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Re: [Elecraft] [K3] fast tuning with VFO B problem

[oe9fwv]

Ken K3IU wrote:
> 
> G'morning:
> Try using the RIT offset control rather than the VFO B knob. That works.
> 73,
> Ken K3IU
> 

thank you Ken... I must have had a knot in my brain.
sure it works now.


73! de Werner OE9FWV

-- 
View this message in context: 
http://www.nabble.com/-K3--fast-tuning-with-VFO-B-problem-tp17707079p17707159.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] [K3] fast tuning with VFO B problem

[Ken K3IU]

G'morning:
Try using the RIT offset control rather than the VFO B knob. That works.
73,
Ken K3IU

Dr. Werner Furlan wrote:
I have set Config VFO OFS to ON to use the VFO B for fast tuning, but it no 
longer works. I know it did, but no more.
VFO OFS to off or on changes nothing. 
I have the latest firmware loaded. 
RIT/XIT are off of course.

does anybody know what could be wrong?

73! de Werner OE9FWV

  

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[Elecraft] [K3] fast tuning with VFO B problem

[Dr. Werner Furlan]

I have set Config VFO OFS to ON to use the VFO B for fast tuning, but it no 
longer works. I know it did, but no more.
VFO OFS to off or on changes nothing. 
I have the latest firmware loaded. 
RIT/XIT are off of course.
does anybody know what could be wrong?

73! de Werner OE9FWV

-- 
"Sometimes, a cigar is just a cigar."-- often attributed to Freud


Email powered by Pegasus Mail free at 
Homepage: 
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Re: [Elecraft] K3 - Proset K2 Mic Frequency Response

[Peter Connors, F5VNB]

To avoid any possible doping scandal and reduce any inflammatory 
outcomes perhaps they should use a catabolic chamber.


73, Pete F5VNB


Bob wrote:

Is it a chamber lined with well known high priced and overpaid athletes?

73,
Bob
K2TK

Bill NY9H wrote:





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