Re: [Elecraft] K3: Do you "Juice" your K3?

[Dave Hachadorian]

Earlier today, I remarked that one of my K3's was running 
warm in the NAQP RTTY after an extended number of RTTY CQ's. 
Tonight I did a little experiment - key down at 100 watts 
for four minutes while noting PA Temp and fan speed. It 
turns out that there really is no problem. Both K3's behaved 
identically and both leveled off at PA Temp = 64C after 
about 3 minutes. For the record, here are the results (best 
viewed with Courier font):

Time   Temp  Fan
0:0026C   0
0:26371
0:44412
1:19503
1:45554
2:40604
2:50624
3:15644
4:00644

Room temp was 77F.

Dave Hachadorian, K6LL
Yuma, AZ 

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Re: [Elecraft] K2 vs K3

[Milt, N5IA]

Bob's comment is correct.  I was at that meeting also, and was absolutely 
blown away by the performance in such a small prototype package.

Milt, N5IA

- Original Message - 
From: "Bob Nielsen" 
To: "elecraft List" 
Sent: Wednesday, March 11, 2009 8:28 PM
Subject: Re: [Elecraft] K2 vs K3


>
> On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
>>Many of  "us"  on the Elecraft Reflector were raised on the K2.  I
>> guess its been about 8 years in development.
>
> More like 10+ years.  I recall seeing Eric's presentation on the K2
> at the 1999 Cactus Intertie meeting in Tucson.
>
> Bob, N7XY

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[Elecraft] EQP UPDATE!

[Greg]

Please review again the EQP 2009 rules.  Just made a minor change to the
non-elecraft exchange to include power.  This was necessary for logging
programs to work correctly.


73,
Greg - AB7R
Whidbey Island WA



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[Elecraft] Elecraft QSO Party

[Don Rasmussen]

>>>I will be concentrating mainly on 20M phone and CW for the QSO party.  The 
>>>event starts at 01:00 Sunday morning local time in Thailand.


How nice Stephen!!

The way I envision it, you put up a shortened dipole at 8 to 10 feet. Two days 
before you even power up the radio, apprehensive hams from all over the world 
will be pounding your position with their KW's. And the spoilers will be there 
with their carriers (they figure nobody has a NOTCH?) !!!

After that, any time of the night or day, you turn on the radio to find every 
frequency a pile up, all calling for you, 20 to 30 over S-9.

You work stations "any ZERO call area, mobile, qrp, and YL ONLY" and then try 
anything else that may slow them down a little, but to no avail. 

You notice that same big gun W9 that's been calling for 2 hours is now calling 
"MOBILE QRP" "MOBILE QRP" in a high falsetto. 

After 36 hours of nonstop operation and no sleep, the pileup still has not let 
up one bit, so you announce - so sorry, I must sleep now, I'll take ONE MORE 
CALL, who wants to be the last to work me?

At that point the radio bursts into flames and the operator spontaneously 
combusts too. 

Another needless ham radio related accident - be careful out there!



 

[Elecraft] Elecraft QSO Party
himself at BasicISP.net himself at BasicISP.net 
Wed Mar 11 04:31:48 EDT 2009 

Previous message: [Elecraft] K3 DVR 
Next message: [Elecraft] KREF-EXT Option 
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] 



Here is a point of interest item:

The first and only registered and licensed K2/100 in the Country of Thailand 
will be operational in the Elecraft QSO Party.

After a lot of paperwork and 4 days on the test bench at the National 
Telecommunications Commission (NTC) of Thailand, My K2/100 was given the green 
light to operate in Thailand.   Within the next few months I will be operating 
Mobile HF from Thailand, which will also be a first for a foreigner, according 
to the NTC.

I will be concentrating mainly on 20M phone and CW for the QSO party.  The 
event starts at 01:00 Sunday morning local time in Thailand.  

Hope to hear and work as many Elecraft owners as possible with the temporary 
limited antenna system I have at present.

73 de
Stephen
HS0ZHB

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Re: [Elecraft] K2 vs K3

[Bob Nielsen]

On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
>Many of  "us"  on the Elecraft Reflector were raised on the K2.  I
> guess its been about 8 years in development.

More like 10+ years.  I recall seeing Eric's presentation on the K2  
at the 1999 Cactus Intertie meeting in Tucson.

Bob, N7XY

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Re: [Elecraft] K3 Time Keeper v0.1

[Robert Dorchuck]

Thanks David.  Works super.
Bob  W6VY

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Re: [Elecraft] K3 Time Keeper v0.1

[W2XB]

Boy, this software works great. Nice to see the right time.

Thanks, David(w4smt)
Don...w2xb






Doug Phillips wrote:
> 
> OK guys,
> 
> David, W4SMT,  really has a hit here, the Windows compile works great 
> and sure takes the drudgery out of setting the clock in the K3.
> 
> Doug W7RDP
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-- 
View this message in context: 
http://n2.nabble.com/K3-Time-Keeper-v0.1-tp2465353p2465360.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] K3 Time Keeper v0.1

[Doug Phillips]

OK guys,

David, W4SMT,  really has a hit here, the Windows compile works great 
and sure takes the drudgery out of setting the clock in the K3.

Doug W7RDP
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Re: [Elecraft] Boom Mic/Stereo Headsets for the K3

[Mike Scott]

Mike Scott-7 wrote:

> 

> I saw the questions about K3 headsets.

> I have the "ON'AIR" Headset offered by US Interface for about $40.

> http://www.usinterface.com/naviusa_012.htm

> I have no relationship with the company. Their service was good and I can

> recommend the product with the caveats mentioned below.

> 

> The headsets are stereo; it comes with a Kenwood adapter plug. You can

> plug

> 

> 

 

I ordered one of these on Feb 14 and still haven't seen delivery or even an

order confirmation. Is this a company a scam?

 

-

AB2TC - Knut

 

Gosh I hope not Knut. I received my headset quickly as advertised and have
no connection with US Interface other than a happy customer. I think I
remember calling them on the phone and got the owner to answer; I had a few
questions.

 

Question: did you order by credit card? If so then call your credit card
company and challenge the charge. If the charge didn't show up then maybe
they didn't receive your order. Call them on the phone. The guy who owns the
company is a ham.

 

 

Mike Scott

AE6WA Tarzana, CA

K3/100 SN508

 

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[Elecraft] K3: VP6 QSL - no answers

[Kenneth Waites]

I have been trying to get paper QSL for k5WK/7 QSOs for some time.  I sent them 
$20.
My emails to eric have gone unanswered.  Does anyone have any magic?

Ken K5WK/7
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Re: [Elecraft] K3 Time Keeper v0.1

[Van W1WCG]

Tres Kool, indeed, David, and thanks very much for making this available
to all.  Works like a champ!

Van, W1WCG

- Original Message - 
From: "Dick Dievendorff" 
To: ; 
Sent: Wednesday, March 11, 2009 9:55 PM
Subject: Re: [Elecraft] K3 Time Keeper v0.1


> Way cool!  Congratulations, David!
>
> Dick, K6KR
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Fleming
> Sent: Wednesday, March 11, 2009 6:50 PM
> To: Elecraft@mailman.qth.net
> Subject: [Elecraft] K3 Time Keeper v0.1
>
>
> I've had a few requests for the K3 time updater I mentioned the other day.
> So I've made it available for download.
>
> Mac version (OS X 10.3 or later) http://sight.net/K3Time/K3Time.zip
>
> Windows XP/VISTA (maybe 98 not sure) http://sight.net/K3Time/K3TimeWin.zip
>
> It's very easy to use and should be self-explanatory.
>
> Select the appropriate serial port and baud rate the first time the 
> program
> is run. It will remember these settings, so they need to be set only once.
>
> To display UTC time, click the "UTC" checkbox. To return to local time,
> uncheck it. Be sure the computer's system clock is set properly, and if
> applicable, set for Daylight Savings Time.
>
> To setup unattended updates, click the "Auto-Update" checkbox. This will
> automatically update the time on the K3 whenever the program is run (if 
> the
> K3 is attached and turned on, of course). When Auto-Update is enabled the
> program will automatically send the current system time to the K3 and then
> terminate after a 10 second delay. The delay allows time to turn off
> auto-update if need be. On Windows, you could use "Scheduled Tasks" in the
> control panel to set a time schedule for automatic execution of the 
> program.
> On the Mac, a cron job (crontab) could be used. Cronnix is a nice Aqua
> frontend for cron if you're not familiar with creating crontabs from
> Terminal. I'm not sure how well the K3 clock keeps time. I never use it. 
> But
> I would think updating the time once a week or even once a month would be
> sufficient.
>
> Click the "Update K3" button to send the current system time to the K3.
>
> That's all there is to it. The K3 time will not be *exact* with the
> computer, but it will get it close (within 0.5 second or so). I get the 
> best
> results by clicking the update button as soon as a new second begins.
> Waiting until late into a second will result in the K3 being a second
> behind. Try clicking the update button several times until you get a good
> visual sync.
>
> I've done very little testing of the Windows version. There could be bugs.
>
> The program works by sending a sequence of CAT commands to the K3. 
> Clicking
> "Update K3" begins this sequence:
>
> K31;   // Enables K3 extended mode
> MN073; // Enters CONFIG:TIME Menu option
> DS;// reads VFO A display area (now displaying TIME)
>
> Parse DS; command response to get K3 HOUR, MINUTE and SECOND.
>
> Determine computer HOUR, MINUTE and SECOND.
>
> SWT13; // select SECOND
>
> UP; or DN; until K3 SECOND = computer SECOND
>
> SWT12; // select MINUTE
>
> UP; or DN; until K3 MINUTE = computer MINUTE
>
> SWT11; // select HOUR
>
> UP; or DN; until K3 HOUR = computer HOUR
>
> MN255; // exit menu
>
> DONE..
>
> 
>
> Enjoy,
>
> David, W4SMT
>
>
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> Checked by AVG - www.avg.com
> Version: 8.5.278 / Virus Database: 270.11.10/1995 - Release Date: 03/11/09
> 20:42:00
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Re: [Elecraft] K3 Time Keeper v0.1

[Dick Dievendorff]

Way cool!  Congratulations, David!

Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Fleming
Sent: Wednesday, March 11, 2009 6:50 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3 Time Keeper v0.1


I've had a few requests for the K3 time updater I mentioned the other day.
So I've made it available for download.

Mac version (OS X 10.3 or later) http://sight.net/K3Time/K3Time.zip

Windows XP/VISTA (maybe 98 not sure) http://sight.net/K3Time/K3TimeWin.zip

It's very easy to use and should be self-explanatory.

Select the appropriate serial port and baud rate the first time the program
is run. It will remember these settings, so they need to be set only once. 

To display UTC time, click the "UTC" checkbox. To return to local time,
uncheck it. Be sure the computer's system clock is set properly, and if
applicable, set for Daylight Savings Time. 

To setup unattended updates, click the "Auto-Update" checkbox. This will
automatically update the time on the K3 whenever the program is run (if the
K3 is attached and turned on, of course). When Auto-Update is enabled the
program will automatically send the current system time to the K3 and then
terminate after a 10 second delay. The delay allows time to turn off
auto-update if need be. On Windows, you could use "Scheduled Tasks" in the
control panel to set a time schedule for automatic execution of the program.
On the Mac, a cron job (crontab) could be used. Cronnix is a nice Aqua
frontend for cron if you're not familiar with creating crontabs from
Terminal. I'm not sure how well the K3 clock keeps time. I never use it. But
I would think updating the time once a week or even once a month would be
sufficient.

Click the "Update K3" button to send the current system time to the K3.

That's all there is to it. The K3 time will not be *exact* with the
computer, but it will get it close (within 0.5 second or so). I get the best
results by clicking the update button as soon as a new second begins.
Waiting until late into a second will result in the K3 being a second
behind. Try clicking the update button several times until you get a good
visual sync.

I've done very little testing of the Windows version. There could be bugs.

The program works by sending a sequence of CAT commands to the K3. Clicking
"Update K3" begins this sequence:

K31;   // Enables K3 extended mode
MN073; // Enters CONFIG:TIME Menu option
DS;// reads VFO A display area (now displaying TIME)

Parse DS; command response to get K3 HOUR, MINUTE and SECOND.

Determine computer HOUR, MINUTE and SECOND.

SWT13; // select SECOND

UP; or DN; until K3 SECOND = computer SECOND

SWT12; // select MINUTE

UP; or DN; until K3 MINUTE = computer MINUTE

SWT11; // select HOUR

UP; or DN; until K3 HOUR = computer HOUR

MN255; // exit menu

DONE..



Enjoy,

David, W4SMT


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Checked by AVG - www.avg.com 
Version: 8.5.278 / Virus Database: 270.11.10/1995 - Release Date: 03/11/09
20:42:00

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Re: [Elecraft] K2 vs K3 ?

[Dale Putnam]

Actually Randy, all you have discovered... is that there are a lot of folks out 
there, that could benefit from the addition of a K3 in their shack, so they 
would be able to hear as well as you do. Simple, and factual. Do you need to 
send your K2 or K3 away because they can't hear? Likely not. Do they need to 
improve thier stations? Yep. 

  Now, if you want to loan your K3 off, for the time being, I'd be happy to 
borrow it for a bit... *G* But that way, you could have it back when you decide 
that you want it back...

*G*

--... ...-- Dale - WC7S in Wy


 


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[Elecraft] K3 Time Keeper v0.1

[David Fleming]

I've had a few requests for the K3 time updater I mentioned the other day.  So 
I've made it available for download.

Mac version (OS X 10.3 or later) http://sight.net/K3Time/K3Time.zip

Windows XP/VISTA (maybe 98 not sure) http://sight.net/K3Time/K3TimeWin.zip

It's very easy to use and should be self-explanatory.

Select the appropriate serial port and baud rate the first time the program is 
run. It will remember these settings, so they need to be set only once. 

To display UTC time, click the "UTC" checkbox. To return to local time, uncheck 
it. Be sure the computer's system clock is set properly, and if applicable, set 
for Daylight Savings Time. 

To setup unattended updates, click the "Auto-Update" checkbox. This will 
automatically update the time on the K3 whenever the program is run (if the K3 
is attached and turned on, of course). When Auto-Update is enabled the program 
will automatically send the current system time to the K3 and then terminate 
after a 10 second delay. The delay allows time to turn off auto-update if need 
be. On Windows, you could use "Scheduled Tasks" in the control panel to set a 
time schedule for automatic execution of the program. On the Mac, a cron job 
(crontab) could be used. Cronnix is a nice Aqua frontend for cron if you're not 
familiar with creating crontabs from Terminal. I'm not sure how well the K3 
clock keeps time. I never use it. But I would think updating the time once a 
week or even once a month would be sufficient.

Click the "Update K3" button to send the current system time to the K3.

That's all there is to it. The K3 time will not be *exact* with the computer, 
but it will get it close (within 0.5 second or so). I get the best results by 
clicking the update button as soon as a new second begins. Waiting until late 
into a second will result in the K3 being a second behind. Try clicking the 
update button several times until you get a good visual sync.

I've done very little testing of the Windows version. There could be bugs.

The program works by sending a sequence of CAT commands to the K3. Clicking 
"Update K3" begins this sequence:

K31;   // Enables K3 extended mode
MN073; // Enters CONFIG:TIME Menu option
DS;// reads VFO A display area (now displaying TIME)

Parse DS; command response to get K3 HOUR, MINUTE and SECOND.

Determine computer HOUR, MINUTE and SECOND.

SWT13; // select SECOND

UP; or DN; until K3 SECOND = computer SECOND

SWT12; // select MINUTE

UP; or DN; until K3 MINUTE = computer MINUTE

SWT11; // select HOUR

UP; or DN; until K3 HOUR = computer HOUR

MN255; // exit menu

DONE..



Enjoy,

David, W4SMT


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Re: [Elecraft] K2 vs K3 ?

[Mike-WE0H]

My opinion, keep the K3 & the K2. You may later on regret selling 
anything and then the money might not be there to build another one. 
Just put it on the shelf for now.

Other options are the AN762 amp that FAR circuits sells a board for and 
eBay has 2SC2879 transistor's for it and they are dirt cheep. That'd be 
well over 100w output just idling. Communications Concepts sells the 
complete kit for it with the more expensive MRF transistors if you don't 
have a stash of components for it already.

Mike
WE0H



Randy M wrote:
> Well, this is interesting!  I'm agonizing over this very issue.  I have 
> K2 #337, built in late 1999, that has served me extremely well.  I have 
> always watched this reflector, so I was one of the first non-field test 
> people to notice Wayne's announcement of the K3.  Then I read every word 
> about it, including the manuals, and saved my pennies (and quarters and 
> dollars!) until I was able to order one last year, taking delivery of 
> K3/10 #2006 in late October.  I have been delighted with it, both 
> performance wise and operationally.  I've downloaded all the beta 
> firmware releases and never had any issue with them that wasn't taken 
> care of within about 24 hours of the beta release.
>
> I operated SSCW and then ARRL DX CW with the K3 and that's when I began 
> to have some doubts about whether the K3 is for me or not.  Running QRP 
> during these contests with simple wire antennas, I found that I couldn't 
> usually be heard through all the QRM by anybody who wasn't S8-9 at my 
> QTH.  That means that the outstanding features of the K3 receiver 
> weren't doing me much good in those circumstances.  In a more normal 
> situation of working a weak station with little or no QRM, I believe the 
> K2 does just as well as the K3 for me.  So I've about decided that the 
> K3 is just not a cost effective solution for my style of operating.  I 
> really love it, but I just can't justify keeping both it and my 
> venerable K2!   I'm seriously bonded with the K2,  so I'm on the verge 
> of offering my K3 for sale.  But it hurts to even consider it :-(
>
> 73,
> Randy, KS4L
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Re: [Elecraft] [K2] SN 6688 lives!

[NZ0T]

That's great Allen!  I'm in Goddard about 45 miles SW of you - nice to have
another K2 in the area.
73,
Bill NZ0T  K2/100 5703, K3/100 1502

W1SBY wrote:
> 
> Hello all!
> 
> I am proud to say that K2 sn 6688 is alive and well in Hutchinson, KS, USA
> 
> I finished up all of the preliminary testing and alignment, then built 
> the option boards (DSP, SSB, NB, 60mtr, 160mtr).
> 
> A few minutes ago I did some over-the-air checks on 40mtrs with a friend 
> across town. All sounded good to him, so needless to say I am pleased.
> 
> There was one glitch though, we shifted up to 28.400, and my audio level 
> dropped way off. I had to practically yell in the mike for my friend to 
> hear me. Is this a common thing that 10mtrs needs more punch or do I 
> have a problem? Any ideas on what I might be able to do? I saw something 
> in the manual about changing r15 on the SSB board, but I think that only 
> applies to SSBA level 1,  I was set at SSBA level 3, SSBC 1-1.
> 
> When I received the "box 'o parts" I was a bit intimidated. After 
> perusing the manual I was put very much at ease and pressed on. The 
> manual was so well written I think that anyone with an appropriate 
> soldering iron could put it together.
> 
> The biggest thrill I have is when I tackle a project, be it for work 
> where I do building automation programming, or building a kit like this, 
> is when you are finished and it all works as you expect.
> What a wonderful project this has been!
> 
> 73 de Allen, W1SBY
> 
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-- 
View this message in context: 
http://n2.nabble.com/SN-6688-lives%21-tp2447349p2465004.html
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[Elecraft] K3 Data Mode Transmit Issue

[Joe Barger]

The setup:

K3 with latest firmware.

Main Filters installed:
F2  2.7 KHz
F4  500 Hz
F5  200 Hz

F2 configured for all RX/TX modes
F4 and F5 configured for CW and Data RX

Configuration:
TX Test (no RF out)
Audio fed into line in (but no difference with mic input)
Line in set for "4 bars" ALC (but doesn't seem to make any difference how many 
bars)
Data Mode selected
Monitor turned up to comfortable level.

If F5 is selected as the RX filter, all is well.  But if either of the other 
filters is selected for RX and tones are transmitted, the tones have an audible 
"tick" with a frequency of (I'm guessing) around 40 Hz on top of the tone.  The 
frequency of the tick changes slightly as the frequency of the tone changes.  
Audio input levels don't change the tick until the audio level approaches 0, 
then the ticks go away.  Modifying shift or bandwidth doesn't affect the tick.  
Audio input signal is clean.  Change the RX filter back to F5 and all is well 
again.  Switch to USB and all is well with any filter.

My guess is there is something funny (a bug?) with the selection of the Data TX 
filter.

Anyone else have this problem?  Any ideas?

Thanks

Joe N6KK


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Re: [Elecraft] K2-Split/Rit/Xit led

[Don Wilhelm]

Yves,

That application note (and many others) are on the Elecraft website.  Go 
first to Builder's Resources and you will see the link to Application Notes.

73,
Don W3FPR

Yves Dussault wrote:
> I see on page 84 of my manual a reference to "the associated application 
> note", about installing a SPLIT/RIT/XIT led.
> Where can I find this application note?
>   
>
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Re: [Elecraft] K2-Split/Rit/Xit led

[Don Wilhelm]

If you are interested in placing the LEDs in the keycaps rather than 
adding holes in the front panel, take a look at 
http://www.qslnet.de/member/la3za/ and click on "Elecraft K2" on the top 
banner.
I have a TX indicator in the MODE button, a CW Tuning indicator in the 
SPOT button and a RIT/XIT/SPLIT indicator in the SPLIT button of my K2.  
One must use tiny LEDs, but I think it looks great and functions well.

73,
Don W3FPR

KC9QQ wrote:
> Here is a link to N0SS's website which has a number of K2 mods.
>
> http://www.n0ss.net/index_k2.html http://www.n0ss.net/index_k2.html 
>
>
>
> Yves Dussault wrote:
>   
>> I see on page 84 of my manual a reference to "the associated application 
>> note", about installing a SPLIT/RIT/XIT led.
>> Where can I find this application note?
>>
>> -- 
>> Yves Dussault-VE2ATD
>> Laval, QC, Canada
>> 
>
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Augie Hansen]

Lance Collister wrote:
> I also am quite interested in learning what the maximum recommended supply 
> voltage 
> is for the K3.  I recall some discussion indicating that it was advisable to 
> have 
> higher voltage rather than lower, but I don't recall what the maximum was.  I 
> have 
> just ordered a 15 VDC 100A switching power supply (that can be adjusted down 
> to 
> 13.5 VDC) with the intent of running one or more solid state amps on it.  If 
> the 
> K3 can safely be used on this power supply, I would like to consolidate 
> supplies 
> and also use it to power the K3.  VY 73, Lance
>   

A word of caution is in order. SGC advises against the use of switching 
supplies for their SG-500 SmartPowerCube amplifier. The recommended 
supply is a stout battery with a charger to keep it topped off, or a 
beefy linear supply. And I believe running the rig and amp on the same 
supply could be problematic if the regulation is not really good at 
handling transients.

I occasionally use my K3 with the SG-500 and use separate power supplies 
for the rig and amp: An Astron RS-35M for the K3 and the SGC PS-50 for 
the amp. A pair of PS-50s is recommend for high duty cycle modes.

73,
Gus Hansen
KB0YH

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[Elecraft] k2 vs k3

[Brett Gazdzinski]

I find building the k2 from scratch VERY much fun, and would not want to 
miss out on it.
It really is an amazing radio, the whole package.
I enjoy building them so much I built two so far, plus a K1.

It does not have all the features some operators might want, but you build 
it, its small, and it works fantastic. The reward you get from operating 
something you built from a pile of parts is priceless.

I don't really desire a K3 (yet).

Brett
N2DTS


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Re: [Elecraft] K2 vs K3 ?

[Randy Moore]

Well, this is interesting!  I'm agonizing over this very issue.  I have 
K2 #337, built in late 1999, that has served me extremely well.  I have 
always watched this reflector, so I was one of the first non-field test 
people to notice Wayne's announcement of the K3.  Then I read every word 
about it, including the manuals, and saved my pennies (and quarters and 
dollars!) until I was able to order one last year, taking delivery of 
K3/10 #2006 in late October.  I have been delighted with it, both 
performance wise and operationally.  I've downloaded all the beta 
firmware releases and never had any issue with them that wasn't taken 
care of within about 24 hours of the beta release.

I operated SSCW and then ARRL DX CW with the K3 and that's when I began 
to have some doubts about whether the K3 is for me or not.  Running QRP 
during these contests with simple wire antennas, I found that I couldn't 
usually be heard through all the QRM by anybody who wasn't S8-9 at my 
QTH.  That means that the outstanding features of the K3 receiver 
weren't doing me much good in those circumstances.  In a more normal 
situation of working a weak station with little or no QRM, I believe the 
K2 does just as well as the K3 for me.  So I've about decided that the 
K3 is just not a cost effective solution for my style of operating.  I 
really love it, but I just can't justify keeping both it and my 
venerable K2!   I'm seriously bonded with the K2,  so I'm on the verge 
of offering my K3 for sale.  But it hurts to even consider it :-(

73,
Randy, KS4L
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Re: [Elecraft] K2-Split/Rit/Xit led

[KC9QQ]

Here is a link to N0SS's website which has a number of K2 mods.

http://www.n0ss.net/index_k2.html http://www.n0ss.net/index_k2.html 



Yves Dussault wrote:
> 
> I see on page 84 of my manual a reference to "the associated application 
> note", about installing a SPLIT/RIT/XIT led.
> Where can I find this application note?
> 
> -- 
> Yves Dussault-VE2ATD
> Laval, QC, Canada
> 
> yvesdussa...@videotron.ca
> 
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-- 
View this message in context: 
http://n2.nabble.com/K2-Split-Rit-Xit-led-tp2462972p2464574.html
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Re: [Elecraft] Boom Mic/Stereo Headsets for the K3

[Oliver Johns]

No, he's legit.  I had a similar problem.  Best thing is to telephone  
him.  He's very helpful.  The problem with the ON AIR is that it seems  
that he can't get the adapter plugs anymore.  Just tell him you have a  
K3 and don't need the adapter plug.  I'm using an ON AIR at the  
moment.  It plugs into the mic and phone plugs on the back of the K3  
and works like a charm.

73,

Oliver Johns
W6ODJ


On Mar 11, 2009, at 4:17 PM, ab2tc wrote:

>
>
> Mike Scott-7 wrote:
>>
>> I saw the questions about K3 headsets.
>> I have the "ON'AIR" Headset offered by US Interface for about $40.
>> http://www.usinterface.com/naviusa_012.htm
>> I have no relationship with the company. Their service was good and  
>> I can
>> recommend the product with the caveats mentioned below.
>>
>> The headsets are stereo; it comes with a Kenwood adapter plug. You  
>> can
>> plug
>>
>>
>
> I ordered one of these on Feb 14 and still haven't seen delivery or  
> even an
> order confirmation. Is this this company a scam?
>
> -
> AB2TC - Knut
> -- 
> View this message in context: 
> http://n2.nabble.com/Boom-Mic-Stereo-Headsets-for-the-K3-tp2327162p2464425.html
> Sent from the Elecraft mailing list archive at Nabble.com.
>
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Re: [Elecraft] K2 vs K3 ?

[Mike-WE0H]

Here's my perspective from not owning any Elecraft radio until ~ a month ago. I 
have read about the K2 for many years and always wanted one. I heard them on 
the air and heard others comments about owning one. I have never owned a new 
rig, only bought repair-ables and repaired them to use. So along comes the 
opportunity to buy a Elecraft radio at the Orlando hamfest. The XYL asks me 
which one do I want to order. I was thinking, get a decent radio, yet keep the 
costs reasonable. My decision was to order the K2 with some nice features. I 
couldn't justify ordering the K3, just because it costs so much more than the 
K2. That's my only reason, economics. I'm retired and the XYL still works so I 
hate to spend the funds she earns.

My next Elecraft radio will be a loaded K1 for portable operating. The K2 is 
too nice to bring outside in my opinion.

Mike
WE0H
K2 S/N 6698



John said:
Hi

I looked through the Archives and FAQ's and see the K3 is a All in one
rig with top of line features.

The K2 was the former one.  With a little less features and not all in
one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
flash upgrade it as easily.

(I program Linux systems and PIC systems.)

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John

P.S. K1's sell for more  assembled on Ebay than Kits  So the
issues of losing money on the rig appear to not be true.

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Re: [Elecraft] K3: Do you "Juice" your K3?

[Lance Collister]

I also am quite interested in learning what the maximum recommended supply 
voltage 
is for the K3.  I recall some discussion indicating that it was advisable to 
have 
higher voltage rather than lower, but I don't recall what the maximum was.  I 
have 
just ordered a 15 VDC 100A switching power supply (that can be adjusted down to 
13.5 VDC) with the intent of running one or more solid state amps on it.  If 
the 
K3 can safely be used on this power supply, I would like to consolidate 
supplies 
and also use it to power the K3.  VY 73, Lance

> 
> -Original Message-
> snip
> 
> Does anyone "juice" their K3 bu turning up the PS voltage to 15 volts or
> so.  I do that with my K2/10 to get some more power out.  I was wondering if
> that is a practice with the K3 which I am not doing.
> 
> Lee - K0WA
> 
> snip..
> 
> 
> 
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> 


-- 
Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8)
P.O. Box 73
Frenchtown, MT  59834  USA
QTH: DN27UB
TEL: (406) 626-5728   URL: http://www.bigskyspaces.com/w7gj
2m DXCC #11, 6m DXCC #815



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Re: [Elecraft] Boom Mic/Stereo Headsets for the K3

[ab2tc]

Mike Scott-7 wrote:
> 
> I saw the questions about K3 headsets.
> I have the "ON'AIR" Headset offered by US Interface for about $40.
> http://www.usinterface.com/naviusa_012.htm
> I have no relationship with the company. Their service was good and I can
> recommend the product with the caveats mentioned below.
> 
> The headsets are stereo; it comes with a Kenwood adapter plug. You can
> plug
> 
> 

I ordered one of these on Feb 14 and still haven't seen delivery or even an
order confirmation. Is this this company a scam?

-
AB2TC - Knut
-- 
View this message in context: 
http://n2.nabble.com/Boom-Mic-Stereo-Headsets-for-the-K3-tp2327162p2464425.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] accurate time

[Oliver Johns]

For what it's worth, MacOS has an option to synchronize the computer's  
time to the time standard at apple.com.  Just go to Preferences:Date &  
Time and check the button "Set Date and Time Automatically." The  
apple.com time standard is linked to the bureau of standards clocks.   
I think that apple uses ntp behind the scenes, but you don't have to  
fuss with it.  I used ntp in my Linux boxes, and it works fine there,  
too.

Get a Mac!  Use Windows on it only when you have to!

73,
Oliver Johns
W6ODJ


On Mar 10, 2009, at 1:26 AM, David Woolley (E.L) wrote:

> Dick Dievendorff wrote:
>>
>>
>> Recent versions of Windows (certainly XP and beyond) include an NTP  
>> client
>
> Although it may not matter if you only want a non-resillient time  
> source
> accurate to a few seconds, XP only contains a (broken)  
> implementation of
> SNTP, not NTP.  Windows 2003 contains an implementation of NTP,  
> which is
> broken out of the box (it will not work against a real NTP server, and
> will accept time from servers indicating that they don't have a valid
> time), but may be configured to be compliant, or at least less broken.
> Out of the box, these all poll too slowly for tight time control,
> although well enough for Windows Kerberos to work.
>
>> that can synchronize with one of several NTP servers.  You right  
>> click the
>
> NTP requires several, as much of the specification is about using
> multiple servers to detect server problems and improve the time  
> quality.
>
>> time in the status bar, choose "Adjust Date/Time", select the  
>> "Internet
>> Time" tab, optionally provide an alternate NTP server and punch the  
>> "update
>
> Two servers isn't enough, with true NTP, to isolate a faulty server.
>
>> now" button.  No special NTP client code is required to get to the  
>> accuracy
>> necessary for this sort of task.
>
> However, to get accuracy of the order of the tick interval on Windows,
> you need to use the open source reference implementation of NTP,  
> rather
> than W32Time, and to get accuracy of the order of 10s of microseconds,
> you need to use Unix and a clock with a pulse per second output.
>
> For wristwatch and eyeball accuracy for logging W32Time may be OK, but
> not, especially out of the box, for anything that requires accurate  
> time
> synchronisation.
>
> -- 
> David Woolley
> "The Elecraft list is a forum for the discussion of topics related to
> Elecraft products and more general topics related ham radio"
> List Guidelines 
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[Elecraft] K2 vs K3

[K2ZLS]

 Hi  John,

   Your post tells a lot about you.  The first part is strong in EE and 
Programming experience.

   The last sentence says that you are a little lite in Ham experience.

   Many of  "us"  on the Elecraft Reflector were raised on the K2.  I 
guess its been

   about 8 years in development.  You really need to expand your horizons in

   Ham Radio.   Buy  the  K3.  Its a no-brainer.  There are many,  many

   horizons that you will never see if you limit yourself to K2.  There 
are Contests

   you will need a second receiver,  DVR  for recording and playback, 
there is

   UHF and VHF  6 meters,  there is an alphabet soup of DATA modes for which

   the K3 excels at and  SDR  with upgrades that change almost weekly.  
I'm sure

   there are many experiences that a LOT of us have yet to RTFM to find 
out about.

   There is a saying here in NEW YORK that goes, "You can't win it if 
your not in it".

   73's  and enjoy the K3 experience.

 Tony   K2ZLS
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Re: [Elecraft] K2 vs K3 ?

[W5CEM]

You should get MANY interesting responses to your query!  I for one have
found the K3 receiver to be far and above better than the K2, although my
time with the K2 was limited to one weekend.  As well, if SSB is a mode you
enjoy, in the K2 that is an add-on and a bit dicier than the smooth, already
there features of the K3!  That said, if I had the time and money, I would
build a K2 as a little brother to my K3.

I will be watching this thread with interest...

cleve
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View this message in context: 
http://n2.nabble.com/K2-vs-K3---tp2464089p2464189.html
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Re: [Elecraft] K2 vs K3 ?

[Bill Johnson]

Yes, It's called features and you get what you pay for. I Have both and they
are great radios. Let your budget help you decide.


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John Jeffers
Sent: Wednesday, March 11, 2009 5:02 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K2 vs K3 ?

Hi

I looked through the Archives and FAQ's and see the K3 is a All in one
rig with top of line features.

The K2 was the former one.  With a little less features and not all in
one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
flash upgrade it as easily.

(I program Linux systems and PIC systems.)

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John

P.S. K1's sell for more  assembled on Ebay than Kits  So the
issues of losing money on the rig appear to not be true.
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[Elecraft] K2/KAT100-1 mobile bracket

[2Cents]

Greetings to the group,
 
I built K2/100 3347 a couple of years ago with the idea of using it as a
mobile rig.  It performed so well in the bench trials that my venerable
TS-940 wound up on eBay.  The purchase of K3 2693 last month put the K2
back on track to the mobile.  My question to those of you who have done
this: does anybody make a bracket that fits the K2 or is it strictly a
homebrew show?  I also have the KAT100-1 that I would like to keep close
coupled to the K2, although it can be remote mounted if necessary.  Any
ideas?
 
Thanks,
 
Chuck Teague
NN7U
 
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[Elecraft] K2 vs K3 ?

[John Jeffers]

Hi

I looked through the Archives and FAQ's and see the K3 is a All in one
rig with top of line features.

The K2 was the former one.  With a little less features and not all in
one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
flash upgrade it as easily.

(I program Linux systems and PIC systems.)

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John

P.S. K1's sell for more  assembled on Ebay than Kits  So the
issues of losing money on the rig appear to not be true.
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Re: [Elecraft] K3: Do you "Juice" your K3?

[W0MU Mike Fatchett]

In the RTTTY contest I noticed the fans changing speed now and then which is
expected.   


"A slip of the foot you may soon recover, but a slip of the tongue you may
never get over." Ben Franklin
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill W4ZV
Sent: Wednesday, March 11, 2009 3:45 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3: Do you "Juice" your K3?




Ed Muns, W0YK wrote:
> 
>> During the NAQP RTTY, at one point I was calling a solid stream of 
>> CQ's at 100 watts output on RTTY and not getting any replies. I was 
>> watching the PA Temp, and it climbed up to 65C and looked like it 
>> wanted to keep rising pretty quickly.
>> I think hi temp shutdown is at 84C. I backed off on my CQ's and used 
>> the other radio for a while. I had the fan speed locked on step 4. 
>> All of this was at 13.8VDC. With any kind of heavy duty usage, I 
>> don't think cranking up the voltage is a good idea. A better idea is 
>> to buy an AL-1500 or similar low drive amp, which will give you 1500 
>> watts out with 50 watts of drive. NOW, we are talking "juice." ;)
> 
> This is interesting.  I run 100 watts output on RTTY, CQing and 
> working stations at a continual flow, and the fans hardly run at all.  
> The PA temperature stays down.  I wonder if there is something unique 
> going on with your K3(s)?  One user found a fan wire impeding the 
> blades of one of his fans and even on CW, he had the same experience 
> described above.
> 

That user would be me!  :-)  I strongly suspect Dave has the same problem I
did.  The longer fan wire (from the left fan viewed from the rear) was
binding the right fan.  I believe this happened when I did the 12V sense
mod.  I dropped the rear fan assembly as the directions indicated and then
replaced the assembly.  When doing this it's possible for the longer fan
wire to block the right fan and you cannot tell unless you take the top
cover off to physically inspect or test the fans to make sure both are
turning.  It's a credit to Elecraft's conservative design that heavy
operation in the ARRL DX CW with only one fan turning was not sufficient to
damage my KPA3.

Now PA TEMP seldom climbs much above 40C whereas it was resetting at ~80C
with only one fan running.  Be sure to visually check that BOTH fans are
turning.  I was fooled because it felt to my wet finger held to the rear
panel that both were turning when actually only one was.  Use the PA FN1-4
tests in the menu and make sure both are actually turning.

73,  Bill
--
View this message in context:
http://n2.nabble.com/K3%3A--Do-you-%22Juice%22-your-K3--tp2462764p2464010.ht
ml
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] K3: Do you "Juice" your K3?

[Iain MacDonnell - N6ML]

Ed Muns wrote:
>> During the NAQP RTTY, at one point I was calling a solid 
>> stream of CQ's at 100 watts output on RTTY and not getting 
>> any replies. I was watching the PA Temp, and it climbed up to 
>> 65C and looked like it wanted to keep rising pretty quickly. 
>> I think hi temp shutdown is at 84C. I backed off on my CQ's 
>> and used the other radio for a while. I had the fan speed 
>> locked on step 4. All of this was at 13.8VDC. With any kind 
>> of heavy duty usage, I don't think cranking up the voltage is 
>> a good idea. A better idea is to buy an AL-1500 or similar 
>> low drive amp, which will give you 1500 watts out with 50 
>> watts of drive. NOW, we are talking "juice." ;)
> 
> This is interesting.  I run 100 watts output on RTTY, CQing and working
> stations at a continual flow, and the fans hardly run at all.  The PA
> temperature stays down.  I wonder if there is something unique going on with
> your K3(s)?  One user found a fan wire impeding the blades of one of his
> fans and even on CW, he had the same experience described above.

Ditto - I ran two K3s at 100W for the NAQP RTTY contest a couple of
weeks ago, and was (pleasantly) surprised by how cool they remained.

 ~Iain / N6ML

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Re: [Elecraft] K3: Do you "Juice" your K3?

[Bill W4ZV]

Ed Muns, W0YK wrote:
> 
>> During the NAQP RTTY, at one point I was calling a solid 
>> stream of CQ's at 100 watts output on RTTY and not getting 
>> any replies. I was watching the PA Temp, and it climbed up to 
>> 65C and looked like it wanted to keep rising pretty quickly. 
>> I think hi temp shutdown is at 84C. I backed off on my CQ's 
>> and used the other radio for a while. I had the fan speed 
>> locked on step 4. All of this was at 13.8VDC. With any kind 
>> of heavy duty usage, I don't think cranking up the voltage is 
>> a good idea. A better idea is to buy an AL-1500 or similar 
>> low drive amp, which will give you 1500 watts out with 50 
>> watts of drive. NOW, we are talking "juice." ;)
> 
> This is interesting.  I run 100 watts output on RTTY, CQing and working
> stations at a continual flow, and the fans hardly run at all.  The PA
> temperature stays down.  I wonder if there is something unique going on
> with
> your K3(s)?  One user found a fan wire impeding the blades of one of his
> fans and even on CW, he had the same experience described above.
> 

That user would be me!  :-)  I strongly suspect Dave has the same problem I
did.  The longer fan wire (from the left fan viewed from the rear) was
binding the right fan.  I believe this happened when I did the 12V sense
mod.  I dropped the rear fan assembly as the directions indicated and then
replaced the assembly.  When doing this it's possible for the longer fan
wire to block the right fan and you cannot tell unless you take the top
cover off to physically inspect or test the fans to make sure both are
turning.  It's a credit to Elecraft's conservative design that heavy
operation in the ARRL DX CW with only one fan turning was not sufficient to
damage my KPA3.

Now PA TEMP seldom climbs much above 40C whereas it was resetting at ~80C
with only one fan running.  Be sure to visually check that BOTH fans are
turning.  I was fooled because it felt to my wet finger held to the rear
panel that both were turning when actually only one was.  Use the PA FN1-4
tests in the menu and make sure both are actually turning.

73,  Bill
-- 
View this message in context: 
http://n2.nabble.com/K3%3A--Do-you-%22Juice%22-your-K3--tp2462764p2464010.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] K3: Do you "Juice" your K3?

[Ron D'Eau Claire]

-Original Message-
This is interesting.  I run 100 watts output on RTTY, CQing and working
stations at a continual flow, and the fans hardly run at all.  The PA
temperature stays down.  I wonder if there is something unique going on with
your K3(s)?  One user found a fan wire impeding the blades of one of his
fans and even on CW, he had the same experience described above.

Ed - W0YK



Excellent point, Ed. 

I've learned that some of the fan wires are not twisted as they were on the
prototype used to write the KPA3 installation procedure. Without twisting,
the wires much more easily contact a fan blade when the fan panel is
mounted. It doesn't take much to stop a fan from starting up. If one doesn't
turn at all, there's no tell-tale noise to indicate something is wrong but
cooling is definitely compromised. 

We've added a step to the installation procedure to check to be sure both
fans turn freely after the panel is mounted, but most of the current K3
owners who installed their own KPA3 weren't instructed to do that. It's
worth taking a peek to see if both fans are operating at all speeds. One
doesn't even need to open up the cover. Just position the K3 so you can see
the fans then go to CONFIG:KPA3 and turn the VFO A knob to cycle through the
four fan (Fn) speeds. 

Be sure to return the menu to "nor" before exiting for the KPA3 to work. 

Ron AC7AC


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Re: [Elecraft] K3: Do you "Juice" your K3?

[Jack Smith]

If you look at the DC current, you'll find  that lower supply voltage 
for modes such as RTTY and CW are considerably more efficient for the K3.

My measurements suggest that for a given output power, the K3 is more or 
less a constant current load. At 100 watts, the current is around 18A, 
so the difference in heat dissipation within the K3 between a supply 
voltage of, say 12.8V and 14.0V is 22 watts, all for the same RF output.

As I've said before there are  reasons on SSB mode not to run with low 
supply voltages, but on single tone modes, such as RTTY or CW the K3 
will have less heat dissipation with lower supply voltages than higher 
ones.

http://www.cliftonlaboratories.com/elecraft_k3_efficiency.htm has some 
of my efficiency measurements.

Jack


Ed Muns wrote:
>> During the NAQP RTTY, at one point I was calling a solid 
>> stream of CQ's at 100 watts output on RTTY and not getting 
>> any replies. I was watching the PA Temp, and it climbed up to 
>> 65C and looked like it wanted to keep rising pretty quickly. 
>> I think hi temp shutdown is at 84C. I backed off on my CQ's 
>> and used the other radio for a while. I had the fan speed 
>> locked on step 4. All of this was at 13.8VDC. With any kind 
>> of heavy duty usage, I don't think cranking up the voltage is 
>> a good idea. A better idea is to buy an AL-1500 or similar 
>> low drive amp, which will give you 1500 watts out with 50 
>> watts of drive. NOW, we are talking "juice." ;)
>> 
>
> This is interesting.  I run 100 watts output on RTTY, CQing and working
> stations at a continual flow, and the fans hardly run at all.  The PA
> temperature stays down.  I wonder if there is something unique going on with
> your K3(s)?  One user found a fan wire impeding the blades of one of his
> fans and even on CW, he had the same experience described above.
>
> Ed - W0YK
>
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Re: [Elecraft] K3: Do you "Juice" your K3?

[David Gilbert]

It all depends upon the circumstances. 

When I was trying to decide whether the additional 2 db gain from a 
larger yagi was worth the additional cost (yes, I know about the 
additional benefits of a tighter pattern), I generated some audio 
recordings comprised of CW sent from CW Player (freeware by F6DQM) mixed 
with band noise from 80m.  I varied the CW in 1 db increments centered 
around the level of the band noise and tried to decide which differences 
were discernible.  I had to work pretty hard to hear a difference of one 
db, and then only right at the noise level.  Two db was noticeable, and 
three db stood out.  All of this is valid only down near the noise 
level, of course ... at even ten db above the noise level these small 
differences are pretty difficult to detect.

So if you're trying to DX on 160m or 80m, or trying to pull out a really 
weak caller on 15m or 20m just before the band folds in a contest, 2 db 
could very well be worthwhile.

That being said, cranking up the voltage on a K3 isn't the way to get it.

73,
Dave   AB7E



Ron D'Eau Claire wrote:
>
> I've never found any value in increasing power unless I can go up at least 6
> dB - multiply my output power by at least 4 times. 
>
> To most ears (and many meters), that's about 1 "S" unit.
>
> Ron AC7AC
>
>
>   
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Re: [Elecraft] [QRP-L] Announcement: SOC Marathon Sprint

[Bob Patten]

Buck N4PGW wrote:
> Where is the website for SOC?  Last time I checked, it was down.
> 
http://www.qsl.net/soc/

-- 
73, Bob Patten, N4BPPlantation, FL

E-Mail :   n...@arrl.netWebsite: http://www.qsl.net/n4bp
SOC #1  ARS #799QRP ARCI #3412   FISTS #7871
FP #1491SMIRK #6625
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[Elecraft] KREF-EXT Option

[SM6TUW]

Chen Dave

The KTCXO-1 is a  TCXO (KS Electronics P/N1099 ) so pin1 = VCTRL is not
connected internally.

You will need a VCXO or even a VC-TCXO to implement the external ref PLL.

Jan   SM6TUW
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Ed Muns]

> During the NAQP RTTY, at one point I was calling a solid 
> stream of CQ's at 100 watts output on RTTY and not getting 
> any replies. I was watching the PA Temp, and it climbed up to 
> 65C and looked like it wanted to keep rising pretty quickly. 
> I think hi temp shutdown is at 84C. I backed off on my CQ's 
> and used the other radio for a while. I had the fan speed 
> locked on step 4. All of this was at 13.8VDC. With any kind 
> of heavy duty usage, I don't think cranking up the voltage is 
> a good idea. A better idea is to buy an AL-1500 or similar 
> low drive amp, which will give you 1500 watts out with 50 
> watts of drive. NOW, we are talking "juice." ;)

This is interesting.  I run 100 watts output on RTTY, CQing and working
stations at a continual flow, and the fans hardly run at all.  The PA
temperature stays down.  I wonder if there is something unique going on with
your K3(s)?  One user found a fan wire impeding the blades of one of his
fans and even on CW, he had the same experience described above.

Ed - W0YK

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Re: [Elecraft] K3: Do you "Juice" your K3?

[Julian, G4ILO]

Darwin, Keith wrote:
> 
> Why?  I think it is an interesting question.  I suspect that increasing
> the input voltage will either have no effect or will cause harm if done
> too much but would like to hear the inputs from the experts.
> 

You don't have to look too far back in the reflector to see that a couple of
regulars who would certainly qualify in my book as "experts" have
recommended turning the volts up to 14.5V or so. The benefit is not to get
any more power - any extra power you did get would not make any noticeable
difference at the receiving end, bearing in mind that even doubling the
power would only get you half an S-point - but to get improved linearity and
a cleaner signal.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.g4ilo.com/blog.html G4ILO's
Bloghttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
-- 
View this message in context: 
http://n2.nabble.com/K3%3A--Do-you-%22Juice%22-your-K3--tp2462764p2463591.html
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Alan Price]

You know, I tried to juice my K3, but my Jack Lelanne Juicer just broke down.  
Come on people, this is not CB!

 

73

Alan

W1HYV


 
> Date: Wed, 11 Mar 2009 20:08:39 +
> From: w...@comcast.net
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3: Do you "Juice" your K3?
> 
> I believe the way ALC works in the rig, unless you tell it you want more, it 
> wouldn't do it even if you increased the capability. And it is the software 
> that tells it how much to put out, so unless you change the software so it 
> will go above 120w it won't. Unlike, say a TS850 where you just turn the ALC 
> pot up on the inside. Higher voltage may lower the IMD but at what cost? What 
> does it do to the MTBF of all the components that are rated say at 16v.
> 
> I would like to hear Wayne's thoughts as a designer on this.
> 
> Terry
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Re: [Elecraft] K3: Do you "Juice" your K3?

[w8zn]

I believe the way ALC works in the rig, unless you tell it you want more, it 
wouldn't do it even if you increased the capability. And it is the software 
that tells it how much to put out, so unless you change the software so it will 
go above 120w it won't. Unlike, say a TS850 where you just turn the ALC pot up 
on the inside. Higher voltage may lower the IMD but at what cost? What does it 
do to the MTBF of all the components that are rated say at 16v.

I would like to hear Wayne's thoughts as a designer on this.

Terry
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Dave Hachadorian]

During the NAQP RTTY, at one point I was calling a solid 
stream of CQ's at 100 watts output on RTTY and not getting 
any replies. I was watching the PA Temp, and it climbed up 
to 65C and looked like it wanted to keep rising pretty 
quickly. I think hi temp shutdown is at 84C. I backed off on 
my CQ's and used the other radio for a while. I had the fan 
speed locked on step 4. All of this was at 13.8VDC. With any 
kind of heavy duty usage, I don't think cranking up the 
voltage is a good idea. A better idea is to buy an AL-1500 
or similar low drive amp, which will give you 1500 watts out 
with 50 watts of drive. NOW, we are talking "juice." ;)

Dave Hachadorian, K6LL
Yuma, AZ





























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Re: [Elecraft] K3: Do you "Juice" your K3?

[Ron D'Eau Claire]

No. 

I've never found any value in increasing power unless I can go up at least 6
dB - multiply my output power by at least 4 times. 

To most ears (and many meters), that's about 1 "S" unit.

Ron AC7AC


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[Elecraft] Announcement: SOC Marathon Sprint

[Bob Patten]

  SECOND CLASS OPERATOR'S CLUB MARATHON SPRINT
  

SOC Marathon Sprint
Most sprints run four hours, but since we're Second Class Op's,
we need more time!

Date/Time: March 14, 2009, 1800Z through 2400Z

Exchange: Member - RST, State/Province/Country, SOC Number
   Non-Member - RST, State/Province/Country, Power Out

QSO Points:  Member = 5 Points
 Non-Member, Different Continent = 4 Points
  Non-Member, Same Continent = 2 Points

Multiplier:   SPC (State/Province/Country) total for all bands.
   The same station may be worked on more than one band for
   QSO  points and SPC credit.

Power Multiplier: 0 - < 250 mW = X 15;
  250 mW - < 1 Watt = X 10;
  1 W - 5 W = X 7;
   Over 5 W = X 1.

Suggested Frequencies:

160 Meters1810 kHz
80 Meters 3560 kHz
40 Meters 7030 kHz
20 Meter 14060 kHz
15 Meters21060 kHz
10 Meters28060 kHz

Score:
Points (total for all bands) X SPCs (total for all bands) X Power Multiplier

Apply an additional multiplier of 1.5 if using a homebrew paddle (kits 
such as the NorCal and AZ ScQRPions paddles qualify).

All entries are Multi-Band to promote maximum participation.

Entry includes a copy of the log and a separate summary sheet.
Indicate total time-on-the-air, and include a legible name, call, SOC 
Number (if any) and address.  All entries must be received within 30 
days of the contest date.  The highest output power used will determine 
the power multiplier.  Include a description of homebrew  equipment 
(including paddle or key), commercial equipment, and antennas used  with 
each entry.


Results may be posted on QRP-L and on the SOC Website.  The final 
decision on all matters concerning the contest rests with the contest 
manager.  Entries are welcome via E-Mail to N4BP 
, or by snail mail to:

Bob Patten, N4BP
2841 N.W. 112 Terrace
Plantation, FL  33323

-- 
73, Bob Patten, N4BPPlantation, FL

E-Mail :   n...@arrl.netWebsite: http://www.qsl.net/n4bp
SOC #1  ARS #799QRP ARCI #3412   FISTS #7871
FP #1491SMIRK #6625
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Re: [Elecraft] K3: Do you "Juice" your K3? (or KX1)

[Don Wilhelm]

Jack,

I am glad to hear that you have found success with that, BUT ---
Be careful with "juicing" the KX1.  Yes, the power output will increase 
with DC voltage, but running the KX1 at greater than 4 watts can cause 
problems.  The peak RF voltage must be less than the breakover voltage 
for the zener, and the capacitors in the Low Pass Filter are rated at 50 
volts.  The RF voltage will be greatest on C46 and C48.
While the RF voltages may be under control when feeding a 50 ohm antenna 
load, the RF Voltages increase substantially as the SWR increases.
That is one of the consequences of a compact design.  If there were 
greater physical space, higher voltage rated capacitors could be used 
and this would not be a concern.
Note that the same thing applies to installing the "Power Mod" on the 
KX1.  If the KX1 already can achieve 4 watts output, the power mod 
should not be applied.

73,
Don W3FPR

Jack Regan wrote:
> I am very interested in this topic!!!
>
> I DO juice my KX1. I run it at 14.2 VDC when at home and it makes quite big
> difference in the output power! Of course, in the field I use a 12 VDC
> battery. I have almost never used the internal battery setup with a nominal
> 9 VDC.
>
> I am a big fan of more power when needed. I was stuck at 85 DXCC entities
> until I got an Ameritron 811-H amp from eBay. I now have 94 confirmed and 17
> pending entities.
>
> BTW, I sold my legal limit amp to buy my K3, so I do understand the joy of
> barefoot operations with a good rig and of course I have had my KX1 for
> years now.
>
> Jack, AE6GC, K3-100 Kit, KX1 Kit Fully Loaded (including the SMD CW TUNING
> INDICATOR)
>
> -Original Message-
> snip
>
> Does anyone "juice" their K3 bu turning up the PS voltage to 15 volts or
> so.  I do that with my K2/10 to get some more power out.  I was wondering if
> that is a practice with the K3 which I am not doing.
>
> Lee - K0WA
>
> snip..
>
>
>
> __
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> No virus found in this incoming message.
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> 07:19:00
>
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Jack Regan]

I am very interested in this topic!!!

I DO juice my KX1. I run it at 14.2 VDC when at home and it makes quite big
difference in the output power! Of course, in the field I use a 12 VDC
battery. I have almost never used the internal battery setup with a nominal
9 VDC.

I am a big fan of more power when needed. I was stuck at 85 DXCC entities
until I got an Ameritron 811-H amp from eBay. I now have 94 confirmed and 17
pending entities.

BTW, I sold my legal limit amp to buy my K3, so I do understand the joy of
barefoot operations with a good rig and of course I have had my KX1 for
years now.

Jack, AE6GC, K3-100 Kit, KX1 Kit Fully Loaded (including the SMD CW TUNING
INDICATOR)

-Original Message-
snip

Does anyone "juice" their K3 bu turning up the PS voltage to 15 volts or
so.  I do that with my K2/10 to get some more power out.  I was wondering if
that is a practice with the K3 which I am not doing.

Lee - K0WA

snip..



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[Elecraft] K2-Split/Rit/Xit led

[Yves Dussault]

I see on page 84 of my manual a reference to "the associated application 
note", about installing a SPLIT/RIT/XIT led.
Where can I find this application note?

-- 
Yves Dussault-VE2ATD
Laval, QC, Canada

yvesdussa...@videotron.ca

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Re: [Elecraft] K3: Do you "Juice" your K3?

[Ralph Tyrrell]

I run my K3 at 80 Watts, unless I run less.

At 80 Watts vrs 100 Watts I am down 0.97 dB, That loss will not be noticed on 
an S meter, or by the ear of the op on the other end.

73, Ty, W1TF K3 #696



  
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Jack Smith]

I have a small mountain of data with efficiency and transmitted 
intermodulation versus supply voltage for my K3, but have yet to finish 
analyzing it.

For the most part, higher voltage = better transmitted IMD, but the 
lower the overall DC efficiency (RF watts out / DC watts in).

I've not desired to tempt fate  by running the tests above 15.0V, 
however, and I don't recommend exceeding 15.0V under any circumstances.

Most of the benefit of higher voltage operation can be achieved in the 
13.8  to 14.2 V range, as measured at the K3's DC input connector. 
Remote voltage sensing to obviate the cable drop is quite useful here, 
*if one knows how to properly use it*. If the power supply is not 
equipped with an over-voltage trip, however, a failure in the remote 
voltage sensing cable could lead the power supply to put out sufficient 
voltage to damage the K3.

Jack K8ZOA


Darwin, Keith wrote:
> -Original Message-
> From:  w...@comcast.net
>
> I don't think we even want to go here, Eric, PLEASE stop this thread
> immediately
>
> -
>
> Why?  I think it is an interesting question.  I suspect that increasing
> the input voltage will either have no effect or will cause harm if done
> too much but would like to hear the inputs from the experts.
>
> - Keith N1AS -
> - K3 711 - 
>
> __
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Re: [Elecraft] K3: Do you "Juice" your K3?

[Darwin, Keith]

-Original Message-
From:  w...@comcast.net

I don't think we even want to go here, Eric, PLEASE stop this thread
immediately

-

Why?  I think it is an interesting question.  I suspect that increasing
the input voltage will either have no effect or will cause harm if done
too much but would like to hear the inputs from the experts.

- Keith N1AS -
- K3 711 - 

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Re: [Elecraft] K3: Do you "Juice" your K3?

[David Ferrington, M0XDF]

Lee, forgive me if I'm being dumb, but with voltage regulation etc.  
that shouldn't make any difference, should it?

I no I wouldn't do it.
73 de M0XDF, K3 #174
-- 
One glance at a book and you hear the voice of another person, perhaps  
someone dead for 1,000 years. To read is to voyage through time.
-Carl Sagan, astronomer and writer (1934-1996)

On 11 Mar 2009, at 17:43, Lee Buller wrote:

>
> Does anyone "juice" their K3 bu turning up the PS voltage to 15  
> volts or so.  I do that with my K2/10 to get some more power out.  I  
> was wondering if that is a practice with the K3 which I am not doing.

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Re: [Elecraft] K3: Do you "Juice" your K3?

[w8zn]

I don't think we even want to go here, Eric, PLEASE stop this thread 
immediately

- Original Message -

From: Lee Buller 

To: Elecraft Reflector 

Sent: Wed, 11 Mar 2009 17:43:24 + (UTC)

Subject: [Elecraft] K3:  Do you "Juice" your K3?





Does anyone "juice" their K3 bu turning up the PS voltage to 15 volts or so.  I 
do that with my K2/10 to get some more power out.  I was wondering if that is a 
practice with the K3 which I am not doing.



Lee - K0WA











The New Kansas QSO Party - August 29, Sat 9am-9pm and August 30 Sun 9am-3pm CDT 



In our day and age it seems that Common Sense is in short supply.  If you don't 
have any Common Sense - get some Common Sense and use it.  If you can't find 
any Common Sense, ask for help from somebody who has some Common Sense.  Is 
Common Sense divine?

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[Elecraft] K3: Do you "Juice" your K3?

[Lee Buller]

Does anyone "juice" their K3 bu turning up the PS voltage to 15 volts or so.  I 
do that with my K2/10 to get some more power out.  I was wondering if that is a 
practice with the K3 which I am not doing.

Lee - K0WA





The New Kansas QSO Party - August 29, Sat 9am-9pm and August 30 Sun 9am-3pm CDT 
 
In our day and age it seems that Common Sense is in short supply.  If you don't 
have any Common Sense - get some Common Sense and use it.  If you can't find 
any Common Sense, ask for help from somebody who has some Common Sense.  Is 
Common Sense divine?
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Re: [Elecraft] K3 KRX3 ANT

[Don Wilhelm]

Evert,

Yes, I believe using the AUX RF BNC is the preferred solution for your case.
If the main receiver will be on a lower frequency than the sub, the low 
pass filters will be set for the main RX/TX and would severely attenuate 
the higher frequency input to the Sub RX.

It may make your external antenna connections or switching scheme a bit 
more complex, but it is one of the compromises that one must make when 
tuning different bands with one transceiver.

73,
Don W3FPR

Evert Bakker (PA2KW) wrote:
> I'm installing my KRX3 now and trying to figure out which configuration to
> install.
>
> After reading the KRX3 manual and the K3 manual and looking at the pictures
> on page 40 (K3 manual),
>
>  
>
> I do have KAT3 and KXV3 installed.
>
> I do have a separate RX antenna for the low bands.
>
> I want to use the SUB-RX on the higher bands together with the main RX with
> the same antenna and accept an increase of the NF by 3 dB. 
>
>  
>
> Do I need the AUX RF BNC installed?
>
>  
>
> 73's, Evert PA2KW
>   
>
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[Elecraft] K2 KDSP clock doesn't work

[jo...@arnoldassoc.com]

Hi all,

I've never been able to get my clock to work in the K2 outfitted with the
KDSP unit.

I have changed batteries numerous times and measured the battery when
installed. Unit will set time and appear to keep good time, but next time I
turn unit on I get EE EE EE and am unable to set time.

Any thoughts from this great group of Elecraft users???

73, John WA6YSY


myhosting.com - Premium Microsoft® Windows® and Linux web and application
hosting - http://link.myhosting.com/myhosting


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Re: [Elecraft] K3 KRX3 ANT

[W0MU Mike Fatchett]

You do not need to hook up the aux cable.  You may wish to do so for future
use.  You might want to listen on a beverage for the lowbands on one
receiver and your tribander on 20m so in that case you would want both.  You
can select which antenna to use in the menu, main or aux. 


"A slip of the foot you may soon recover, but a slip of the tongue you may
never get over." Ben Franklin -Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Evert Bakker (PA2KW)
Sent: Wednesday, March 11, 2009 10:56 AM
To: 'Elecraft Discussion List'
Subject: [Elecraft] K3 KRX3 ANT

I'm installing my KRX3 now and trying to figure out which configuration to
install.

After reading the KRX3 manual and the K3 manual and looking at the pictures
on page 40 (K3 manual),

 

I do have KAT3 and KXV3 installed.

I do have a separate RX antenna for the low bands.

I want to use the SUB-RX on the higher bands together with the main RX with
the same antenna and accept an increase of the NF by 3 dB. 

 

Do I need the AUX RF BNC installed?

 

73's, Evert PA2KW

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Re: [Elecraft] K3 KRX3 ANT

[W0MU Mike Fatchett]

I do not need to hook up the aux cable.  You may wish to do so for future
use.  You might want to listen on a beverage for the lowbands on one
receiver and your tribander on 20m so in that case you would want both.  You
can select which antenna to use in the menu, main or aux. 


"A slip of the foot you may soon recover, but a slip of the tongue you may
never get over." Ben Franklin
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Evert Bakker (PA2KW)
Sent: Wednesday, March 11, 2009 10:56 AM
To: 'Elecraft Discussion List'
Subject: [Elecraft] K3 KRX3 ANT

I'm installing my KRX3 now and trying to figure out which configuration to
install.

After reading the KRX3 manual and the K3 manual and looking at the pictures
on page 40 (K3 manual),

 

I do have KAT3 and KXV3 installed.

I do have a separate RX antenna for the low bands.

I want to use the SUB-RX on the higher bands together with the main RX with
the same antenna and accept an increase of the NF by 3 dB. 

 

Do I need the AUX RF BNC installed?

 

73's, Evert PA2KW

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[Elecraft] K3 KRX3 ANT

[Evert Bakker (PA2KW)]

I'm installing my KRX3 now and trying to figure out which configuration to
install.

After reading the KRX3 manual and the K3 manual and looking at the pictures
on page 40 (K3 manual),

 

I do have KAT3 and KXV3 installed.

I do have a separate RX antenna for the low bands.

I want to use the SUB-RX on the higher bands together with the main RX with
the same antenna and accept an increase of the NF by 3 dB. 

 

Do I need the AUX RF BNC installed?

 

73's, Evert PA2KW

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Re: [Elecraft] Whaddayaknow... passed the Extra [END of Thread]

[Eric Swartz - WA6HHQ, Elecraft]

Its time to end the threads on Extra Class etc. We are exceeding the list 
threshold for OT posts.

Eric  WA6HHQ
Elecraft List Moderator
_..._


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Re: [Elecraft] Receiver goes quiet after transmitting follow-up

[Monty Shultes]

Checking revealed 2 problems; a bad coax connector, and a cold solder joint on 
a relay board in my amp.  No K3 issues.

Monty  K2DLJ
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Re: [Elecraft] Whaddayaknow... passed the Extra

[Steve Ellington]

44 replies to one OT post. Pretty good trolling!

Steve Ellington
n...@carolina.rr.com
- Original Message - 
From: "James Sarte" 
To: 
Sent: Sunday, March 08, 2009 1:59 PM
Subject: [Elecraft] Whaddayaknow... passed the Extra


> Hello fellow Elecrafters,
>
>
>
> Sorry for the OT post here guys, but I just wanted to share with you that 
> I
> passed my element 4 exam today with flying colors.  Hope to have my 
> license
> info updated on the ULS within a few days!
>
>
>
> 73,
>
> James KC2UEE (soon to be K3JPS)
>
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No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.0.237 / Virus Database: 270.11.9/1989 - Release Date: 03/07/09 
18:43:00

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[Elecraft] K3 PHONES Jack Phenomenon

[Roy Morris]

I received two replies stating I must have used leverage against the POWER 
button while extracting the headphones plug from the PHONES jack that caused 
the K3 to turn itself off.  This is a logical explanation, and I believe this 
must have been the case.  I have not been able to duplicate this condition.  I 
will chalk this up to a case of fat fingering.  Roy Morris  W4WFB
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Re: [Elecraft] KREF-EXT Option

[chen dave]

>
> A syntheiziser built around f.ex ADF 4001( it is also used in the K3
> synth) for locking the VCXO Z1 (49.380 MHz) to an external 10MHz is simple
> in design.

I want to know if KTCXO3 -1 is VCXO or standard TCXO?

One approach after evaluation for a completely built in module is a EEPROM
> for the PLL programming.
> At power on the EEPROM programs  the PLL
>
> Does anybody know the use of the "100Hz" P4 pin #1 ?
>
Good question, I also want to know.
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Re: [Elecraft] Whaddayaknow... passed the Extra

[Mike Harris]

G'day,

I have great sympathy with G4ZTR and will make my comment to Eric.

Regards,

Mike VP8NO
K2/100 #1400
K3/100 #345

- Original Message - 
From: "WILLIS COOKE" 
To: "'Dale Putnam'" ; ; 
; "'Ron D'Eau Claire'" ; "John Lemay" 

Cc: 
Sent: Wednesday, March 11, 2009 10:01 AM
Subject: Re: [Elecraft] Whaddayaknow... passed the Extra


|
| Some people who own ELECRAFT products sure are grouchy and forgot how to 
use their delete key.
|
| Willis 'Cookie' Cooke
| K5EWJ
|
|
| --- On Wed, 3/11/09, John Lemay  wrote:
|
| > From: John Lemay 
| > Subject: RE: [Elecraft] Whaddayaknow... passed the Extra
| > To: wrco...@flash.net, "'Dale Putnam'" , 
d...@w3fpr.com, jwi...@alaska.net, "'Ron D'Eau Claire'" 
| > Cc: elecraft@mailman.qth.net
| > Date: Wednesday, March 11, 2009, 1:07 AM
| > Guys
| >
| > I wonder, could this qso return to the topic of Elecraft
| > please ?
| >
| > Many thanks
| >
| > John G4ZTR
| >
| >
| > -Original Message-
| > From: elecraft-boun...@mailman.qth.net
| > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
| > WILLIS COOKE
| > Sent: 11 March 2009 03:00
| > To: 'Dale Putnam'; d...@w3fpr.com;
| > jwi...@alaska.net; Ron D'Eau Claire
| > Cc: elecraft@mailman.qth.net
| > Subject: Re: [Elecraft] Whaddayaknow... passed the Extra
| >
| >
| > It was only one year Ron.  And that was before incentive
| > licensing and the
| > Extra Class did not allow any additional privileges over a
| > General Class
| > license
| >
| > Willis 'Cookie' Cooke
| > K5EWJ
| >
| >
| > --- On Tue, 3/10/09, Ron D'Eau Claire
| >  wrote:
| >
| > > From: Ron D'Eau Claire 
| > > Subject: Re: [Elecraft] Whaddayaknow... passed the
| > Extra
| > > To: "'Dale Putnam'"
| > , d...@w3fpr.com,
| > jwi...@alaska.net
| > > Cc: elecraft@mailman.qth.net
| > > Date: Tuesday, March 10, 2009, 7:54 PM
| > > Time was one could not even apply for an Extra class
| > license
| > > until they had
| > > several years of on-air experience.
| > >
| > > That's one requirement I'm sorry they dropped.
| >
| > >
| > > Ron AC7AC
| > >
| > >
| > >
| > >
| > > -Original Message-
| > > From: elecraft-boun...@mailman.qth.net
| > > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
| > Dale
| > > Putnam
| > > Sent: Tuesday, March 10, 2009 7:11 PM
| > > To: d...@w3fpr.com; jwi...@alaska.net
| > > Cc: elecraft@mailman.qth.net
| > > Subject: Re: [Elecraft] Whaddayaknow... passed the
| > Extra
| > >
| > >
| > > Hi Jim and Don,
| > >
| > >  You hit it on the head Don, and if I may, add a
| > bit...
| > >
| > > Because the Extra test isn't as techie as it was,
| > it
| > > isn't held in as high
| > > esteem as it has. In some circles, the Extra license
| > would
| > > hold much more,
| > > than the Commercial First would, in years gone by. I
| > would
| > > find an Extra in
| > > the job app stack, and with a couple questions, be
| > able to
| > > discern if it
| > > were a memo license, or the real deal...  ..
| > understand
| > > this was "then"...
| > > and even now the license on the resume will still
| > retain
| > > enough interest to
| > > inspire a question or two from the interviewer, and
| > the
| > > more time in the
| > > interview
| > >
| > > thanks,
| > >
| > >
| > >
| > > --... ...-- Dale - WC7S in Wy

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Re: [Elecraft] Whaddayaknow... passed the Extra

[WILLIS COOKE]

Some people who own ELECRAFT products sure are grouchy and forgot how to use 
their delete key.

Willis 'Cookie' Cooke 
K5EWJ


--- On Wed, 3/11/09, John Lemay  wrote:

> From: John Lemay 
> Subject: RE: [Elecraft] Whaddayaknow... passed the Extra
> To: wrco...@flash.net, "'Dale Putnam'" , 
> d...@w3fpr.com, jwi...@alaska.net, "'Ron D'Eau Claire'" 
> Cc: elecraft@mailman.qth.net
> Date: Wednesday, March 11, 2009, 1:07 AM
> Guys
> 
> I wonder, could this qso return to the topic of Elecraft
> please ?
> 
> Many thanks
> 
> John G4ZTR
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
> WILLIS COOKE
> Sent: 11 March 2009 03:00
> To: 'Dale Putnam'; d...@w3fpr.com;
> jwi...@alaska.net; Ron D'Eau Claire
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Whaddayaknow... passed the Extra
> 
> 
> It was only one year Ron.  And that was before incentive
> licensing and the
> Extra Class did not allow any additional privileges over a
> General Class
> license
> 
> Willis 'Cookie' Cooke 
> K5EWJ
> 
> 
> --- On Tue, 3/10/09, Ron D'Eau Claire
>  wrote:
> 
> > From: Ron D'Eau Claire 
> > Subject: Re: [Elecraft] Whaddayaknow... passed the
> Extra
> > To: "'Dale Putnam'"
> , d...@w3fpr.com,
> jwi...@alaska.net
> > Cc: elecraft@mailman.qth.net
> > Date: Tuesday, March 10, 2009, 7:54 PM
> > Time was one could not even apply for an Extra class
> license
> > until they had
> > several years of on-air experience. 
> > 
> > That's one requirement I'm sorry they dropped.
> 
> > 
> > Ron AC7AC
> > 
> > 
> > 
> > 
> > -Original Message-
> > From: elecraft-boun...@mailman.qth.net
> > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
> Dale
> > Putnam
> > Sent: Tuesday, March 10, 2009 7:11 PM
> > To: d...@w3fpr.com; jwi...@alaska.net
> > Cc: elecraft@mailman.qth.net
> > Subject: Re: [Elecraft] Whaddayaknow... passed the
> Extra
> > 
> > 
> > Hi Jim and Don,
> > 
> >  You hit it on the head Don, and if I may, add a
> bit... 
> > 
> > Because the Extra test isn't as techie as it was,
> it
> > isn't held in as high
> > esteem as it has. In some circles, the Extra license
> would
> > hold much more,
> > than the Commercial First would, in years gone by. I
> would
> > find an Extra in
> > the job app stack, and with a couple questions, be
> able to
> > discern if it
> > were a memo license, or the real deal...  ..
> understand
> > this was "then"...
> > and even now the license on the resume will still
> retain
> > enough interest to
> > inspire a question or two from the interviewer, and
> the
> > more time in the
> > interview
> > 
> > thanks,
> > 
> > 
> > 
> > --... ...-- Dale - WC7S in Wy
> > 
> > 
> >  
> > 
> >
> _
> > Windows LiveT Groups: Create an online spot for your
> > favorite groups to
> > meet.
> >
> http://windowslive.com/online/groups?ocid=TXT_TAGLM_WL_groups_032009
> >
> __
> > 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
> > 
> >
> __
> > Elecraft mailing list
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> > 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
> __
> Elecraft mailing list
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> Help: http://mailman.qth.net/mmfaq.htm
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> 
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> Please help support this email list:
> http://www.qsl.net/donate.html
> 
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> of virus signature
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> 
> The message was checked by ESET NOD32 Antivirus.
> 
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> 
> 
>  
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> The message was checked by ESET NOD32 Antivirus.
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[Elecraft] KREF-EXT Option

[SM6TUW]

Geoff,

I have not heard of any hardware from Elecraft yet.
In the meantimeI have been thinking on a possible solution to play with:

The K3 is ready for this option as can be seen from the circuid diagram.
 J4 provides all signals for a PLL  module (including 5V supply)while J3 on
the back panel picks up an external reference.
A syntheiziser built around f.ex ADF 4001( it is also used in the K3
synth) for locking the VCXO Z1 (49.380 MHz) to an external 10MHz is simple
in design.
For experiment with the ADF4001 it can be  programmed via a serial bus
connected to your computers parallell port. Analog Devices provides
programs and descriptions for this.

http://www.analog.com/Analog_Root/static/techSupport/designTools/evaluationBoards/downloadSoftware.html
Download Integer-N Software (ADF411X, ADF421X)

Evaluation board description:

http://www.analog.com/Analog_Root/static/techSupport/designTools/evaluationBoards/downloads/EVAL-ADF4001EB2_D.pdf

They also provide free loopfilter simulation software: ADIsimPLL Version
3.1

http://www.analog.com/static/imported-files/data_sheets/ADF4001.pdf

One approach after evaluation for a completely built in module is a EEPROM
for the PLL programming.
At power on the EEPROM programs  the PLL

Does anybody know the use of the "100Hz" P4 pin #1 ?

73
Jan ,  SM6TUW
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[Elecraft] Elecraft QSO Party

Here is a point of interest item:

The first and only registered and licensed K2/100 in the Country of Thailand 
will be operational in the Elecraft QSO Party.

After a lot of paperwork and 4 days on the test bench at the National 
Telecommunications Commission (NTC) of Thailand, My K2/100 was given the green 
light to operate in Thailand.   Within the next few months I will be operating 
Mobile HF from Thailand, which will also be a first for a foreigner, according 
to the NTC.

I will be concentrating mainly on 20M phone and CW for the QSO party.  The 
event starts at 01:00 Sunday morning local time in Thailand.  

Hope to hear and work as many Elecraft owners as possible with the temporary 
limited antenna system I have at present.

73 de
Stephen
HS0ZHB 

Any questions should be directed to hs0...@amsat.org
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Re: [Elecraft] Whaddayaknow... passed the Extra

[John Lemay]

Guys

I wonder, could this qso return to the topic of Elecraft please ?

Many thanks

John G4ZTR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of WILLIS COOKE
Sent: 11 March 2009 03:00
To: 'Dale Putnam'; d...@w3fpr.com; jwi...@alaska.net; Ron D'Eau Claire
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Whaddayaknow... passed the Extra


It was only one year Ron.  And that was before incentive licensing and the
Extra Class did not allow any additional privileges over a General Class
license

Willis 'Cookie' Cooke 
K5EWJ


--- On Tue, 3/10/09, Ron D'Eau Claire  wrote:

> From: Ron D'Eau Claire 
> Subject: Re: [Elecraft] Whaddayaknow... passed the Extra
> To: "'Dale Putnam'" , d...@w3fpr.com,
jwi...@alaska.net
> Cc: elecraft@mailman.qth.net
> Date: Tuesday, March 10, 2009, 7:54 PM
> Time was one could not even apply for an Extra class license
> until they had
> several years of on-air experience. 
> 
> That's one requirement I'm sorry they dropped. 
> 
> Ron AC7AC
> 
> 
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dale
> Putnam
> Sent: Tuesday, March 10, 2009 7:11 PM
> To: d...@w3fpr.com; jwi...@alaska.net
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Whaddayaknow... passed the Extra
> 
> 
> Hi Jim and Don,
> 
>  You hit it on the head Don, and if I may, add a bit... 
> 
> Because the Extra test isn't as techie as it was, it
> isn't held in as high
> esteem as it has. In some circles, the Extra license would
> hold much more,
> than the Commercial First would, in years gone by. I would
> find an Extra in
> the job app stack, and with a couple questions, be able to
> discern if it
> were a memo license, or the real deal...  .. understand
> this was "then"...
> and even now the license on the resume will still retain
> enough interest to
> inspire a question or two from the interviewer, and the
> more time in the
> interview
> 
> thanks,
> 
> 
> 
> --... ...-- Dale - WC7S in Wy
> 
> 
>  
> 
> _
> Windows LiveT Groups: Create an online spot for your
> favorite groups to
> meet.
> http://windowslive.com/online/groups?ocid=TXT_TAGLM_WL_groups_032009
> __
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> 
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> Please help support this email list:
> http://www.qsl.net/donate.html
> 
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> 
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> Please help support this email list:
> http://www.qsl.net/donate.html
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database 3900 (20090302) __

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com


 

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The message was checked by ESET NOD32 Antivirus.

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[Elecraft] K3 DVR

[rfenabled]

I have just tried to record a TX message for the upcoming contest.

I am able to play back a previous recording but I need to replace it for a 
contest specific CQ call.

I am missing something as I have been unable to record over the original 
message, or for that matter make a new recording.

I have tried as per the manual but to no avail.

Short of a slap over the head and NOT holding my tongue right, any ideas as to 
what I am  NOT doing right?

73's
Gary
Sent via BlackBerry® from Telstra
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