[Elecraft] 500HZ 5 POLE

[KARL MARDERIAN]

   FOR SALE A 500HZ 5 POLE IRAD ROOFING FILTER.


  I am asking $65.00 and  
shipping.
   N6XVT  Karl Marderian  karl...@sbcglobal.net
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Re: [Elecraft] LP PAN

[Brett Howard]

I honestly don't believe that the K3 screen has the resolution to be an
effective bandscope.  But thats just my humble opinion.  

~Brett

On Thu, 2009-07-23 at 00:16 -0400, Steve Ellington wrote:
> Brett:
> How about this: The scope is already defined in the K3's display. All we are 
> waiting for is a firmware update to activate it. I wish!
> Steve
> N4LQ
> n...@carolina.rr.com
> - Original Message - 
> From: "Brett Howard" 
> To: "Leigh L. Klotz, Jr. WA5ZNU" 
> Cc: 
> Sent: Wednesday, July 22, 2009 11:47 PM
> Subject: Re: [Elecraft] LP PAN
> 
> 
> > On that screen shot is that + and - about 20Khz?  Shouldn't the system
> > be able to pull off 192Khz total width?  It would also be really slick
> > if the waterfall was labeled with absolute values rather than relative
> > ones.
> >
> > Honestly the only reason I haven't purchased an LP-PAN is because all
> > the computers at the house are running Linux.  However I'm also VERY
> > hopeful that the Elecraft bandscope when it comes out doesn't require a
> > computer of any kind.
> >
> > I'm not certain on my feelings of requiring that the device needs a VGA
> > monitor.  I really hope that the thing is completely self contained and
> > even better if it was a box with an LCD of some sort and fits nice right
> > on top of the K3 and looks like it belongs there.
> >
> > I guess time will only tell
> >
> > ~Brett
> >
> > On Wed, 2009-07-22 at 13:27 -0700, Leigh L. Klotz, Jr. WA5ZNU wrote:
> >> Linux users can install quisk-lppan-k3.  It's a far simpler user 
> >> interface
> >> than the PowerSDR software.  We're hoping to port it to Windows as well
> >> some day.  It can control the K3 directly, or work through fldigi, which
> >> is a digimode program that itself runs on Windows, Mac, and Linux.
> >>
> >> http://wa5znu.org/2009/04/quisk-lppan-k3/
> >>
> >> Leigh/WA5ZNU
> >>
> >> __
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Re: [Elecraft] Elecraft K144XV 2-m module design change

[David Pratt]

In a recent message, Wayne Burdick  wrote ...
>The K144XV
>will still cover the full 144-148 MHz range by using two local
>oscillator frequencies (116 and 118 MHz). If you tune across the
>boundary at 146 MHz, the oscillator will switch automatically.

As the 2 metre band in most of the world is just 144 to 146 MHz, Wayne, 
this does seem to be an unnecessary complication for many of us.  Does 
this facility increase the cost of the K144XV?  If so, is there an 
alternative option for those of us with the 144-146 MHz band?

Already having an XV144, I am trying to find a reason why I should order 
a K144XV for my K3.  Can you help?  What are the advantages?

-- 
David G4DMP
Leeds, England, UK
--


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Re: [Elecraft] LP PAN

[Vic K2VCO]

Steve Ellington wrote:
> Brett:
> How about this: The scope is already defined in the K3's display. All we are 
> waiting for is a firmware update to activate it. I wish!

I can tell you that this, unfortunately, is impossible. The K3's display isn't 
bit-mapped 
-- it has a fixed set of things that it can display.

I too admit that I've watched all of these LPPans go by at attractive prices 
because -- 
much as I want a panoramic display -- I am waiting for the Elecraft product. 
And I also 
hope it will be a standalone device that does not require a computer.
-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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Re: [Elecraft] LP PAN

[Leigh L. Klotz, Jr WA5ZNU]

Brett,
Thanks for pointing it out.  It was an old screen shot.  I updated it to 
a more recent one as the package does provide frequency control.

As for the bandwidth of the display, it's purely a function of the sound 
card.  On Linux, the EMU-0202 sound device supports 44.1 KHz unless it's 
sent a USB command to change sample rate.  I've worked with some other 
Linux folks around the world to help fix this, and the results should be 
coming out in new versions of the Linux "ALSA" sound system soon.  
Unfortunately, it doesn't seem to get past 96 KHz.  (The Mac driver for 
the EMU-020 has this same limitation.)

You can use quisk and the LP-PAN with a less expensive sound card such 
as the Griffin iMic or a 48KHz Creative USB product, all in the $40 
range, and get a 48KHz bandwidth view coverage.  If you're a CW or 
digital mode operator, that's pretty much all you need, and it's about 
half the cost of the EMU-0202.

I don't know what Elecraft's plans are, but I believe there's room for 
both standalone display devices and shack computer integrated devices.
Quisk is an option for those of us who have the LP-PAN and use Linux in 
the shack.

Leigh/WA5ZNU
> On that screen shot is that + and - about 20Khz?  Shouldn't the system
> be able to pull off 192Khz total width?  It would also be really slick
> if the waterfall was labeled with absolute values rather than relative
> ones.
>
> Honestly the only reason I haven't purchased an LP-PAN is because all
> the computers at the house are running Linux.  However I'm also VERY
> hopeful that the Elecraft bandscope when it comes out doesn't require a
> computer of any kind.  
>
> I'm not certain on my feelings of requiring that the device needs a VGA
> monitor.  I really hope that the thing is completely self contained and
> even better if it was a box with an LCD of some sort and fits nice right
> on top of the K3 and looks like it belongs there.
>
> I guess time will only tell
>
> ~Brett
>
> On Wed, 2009-07-22 at 13:27 -0700, Leigh L. Klotz, Jr. WA5ZNU wrote:
>   
>> Linux users can install quisk-lppan-k3.  It's a far simpler user interface
>> than the PowerSDR software.  We're hoping to port it to Windows as well
>> some day.  It can control the K3 directly, or work through fldigi, which
>> is a digimode program that itself runs on Windows, Mac, and Linux.
>>
>> http://wa5znu.org/2009/04/quisk-lppan-k3/
>>
>> Leigh/WA5ZNU
>>
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>
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[Elecraft] Keying A Small Amp With A K2

[David Yarnes]

Hi All,

I haven't been paying much attention to the conversation 
here about keying amps, etc. since I rarely use one. 
However, a situation has arisen which suggests I should have 
paid closer attention.

I have a couple of small amps--an HL50B, and an HLA-150, 
that work well with QRP rigs for a little extra boost.  The 
HL50B works best with the K2 (and other QRP rigs) as it has 
good RF sensing, and keys right up when you hit the paddle. 
The HLA-150, however, doesn't do quite as well.  It 
supposedly has RF sensing too, as well as auto band 
switching, but on CW I find that it is just a tad slow in 
triggering.  Accordingly, it tends to cut off the first 
"dit" or "dah".  That's about the only complaint I have 
about it though.  With less than 10 watts of drive you can 
get over 100 watts out.  The auto bandswitching works very 
well.  The HL-50B puts out about 60 watts with 5 watts of 
drive.

The HLA-150 has a keying line input jack for direct 
connection to a transceiver.  However, the K2 doesn't have a 
keying line output that I'm aware of.  So, my question to 
you amp gurus is what would be the best (easiest) way to 
make this work?  I'd take my HL-50B, but I left it up in 
Oregon with my motorhome.  I'll rectify that mistake the 
next time I get up to Oregon.

Any suggestions?

Dave W7AQK



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Re: [Elecraft] LP PAN

[Steve Ellington]

Brett:
How about this: The scope is already defined in the K3's display. All we are 
waiting for is a firmware update to activate it. I wish!
Steve
N4LQ
n...@carolina.rr.com
- Original Message - 
From: "Brett Howard" 
To: "Leigh L. Klotz, Jr. WA5ZNU" 
Cc: 
Sent: Wednesday, July 22, 2009 11:47 PM
Subject: Re: [Elecraft] LP PAN


> On that screen shot is that + and - about 20Khz?  Shouldn't the system
> be able to pull off 192Khz total width?  It would also be really slick
> if the waterfall was labeled with absolute values rather than relative
> ones.
>
> Honestly the only reason I haven't purchased an LP-PAN is because all
> the computers at the house are running Linux.  However I'm also VERY
> hopeful that the Elecraft bandscope when it comes out doesn't require a
> computer of any kind.
>
> I'm not certain on my feelings of requiring that the device needs a VGA
> monitor.  I really hope that the thing is completely self contained and
> even better if it was a box with an LCD of some sort and fits nice right
> on top of the K3 and looks like it belongs there.
>
> I guess time will only tell
>
> ~Brett
>
> On Wed, 2009-07-22 at 13:27 -0700, Leigh L. Klotz, Jr. WA5ZNU wrote:
>> Linux users can install quisk-lppan-k3.  It's a far simpler user 
>> interface
>> than the PowerSDR software.  We're hoping to port it to Windows as well
>> some day.  It can control the K3 directly, or work through fldigi, which
>> is a digimode program that itself runs on Windows, Mac, and Linux.
>>
>> http://wa5znu.org/2009/04/quisk-lppan-k3/
>>
>> Leigh/WA5ZNU
>>
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Re: [Elecraft] LP PAN

[Brett Howard]

On that screen shot is that + and - about 20Khz?  Shouldn't the system
be able to pull off 192Khz total width?  It would also be really slick
if the waterfall was labeled with absolute values rather than relative
ones.

Honestly the only reason I haven't purchased an LP-PAN is because all
the computers at the house are running Linux.  However I'm also VERY
hopeful that the Elecraft bandscope when it comes out doesn't require a
computer of any kind.  

I'm not certain on my feelings of requiring that the device needs a VGA
monitor.  I really hope that the thing is completely self contained and
even better if it was a box with an LCD of some sort and fits nice right
on top of the K3 and looks like it belongs there.

I guess time will only tell

~Brett

On Wed, 2009-07-22 at 13:27 -0700, Leigh L. Klotz, Jr. WA5ZNU wrote:
> Linux users can install quisk-lppan-k3.  It's a far simpler user interface
> than the PowerSDR software.  We're hoping to port it to Windows as well
> some day.  It can control the K3 directly, or work through fldigi, which
> is a digimode program that itself runs on Windows, Mac, and Linux.
> 
> http://wa5znu.org/2009/04/quisk-lppan-k3/
> 
> Leigh/WA5ZNU
> 
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[Elecraft] Re： Elecraft K144XV 2-m module desi gn change

[Johnny Siu]

Hello Grant,

I do agree with you.  For serious contesters, they could go for XV144.  This 
also gives Elecraft a clear product distinction between XV144 and K144XV.  
Different product suit different market demand without too much product line 
overlap.

73

Johnny Siu VR2XMC





寄件人﹕ Grant Youngman 
收件人 Elecraft Reflector 
傳送日期﹕ 2009 年 7月 23 日 星期四 上午 10:40:10
主題： Re: [Elecraft] Elecraft K144XV 2-m module design change

I suppose the rest of us (non-high-power high band multi-station  
contesters) shouldn't care.

But it seems this is one of those things that benefits a very few  
users at the expense of adding a bit of operational clunkiness for the  
bulk of K3 users  and to what was originally a pretty clean design  
idea with single band coverage.  Heavy hitting contesters, do, after  
all, have other options such as high performance external  
transverters, etc., which they most likely already have on the table.

Grant/NQ5T


On Jul 22, 2009, at 5:31 PM, Wayne Burdick wrote:

> Our prototype K144XV 2-m module for the K3 used a 6 meter IF (50-54
> MHz). However, a number of K3 owners were concerned with this. In
> multi-transmitter installations, such as during high-band contesting,
> stations typically standardize on a 10-m IF to avoid interaction with
> high-power 6-m transmitters.
>

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Re: [Elecraft] Elecraft K144XV 2-m module design change

[Grant Youngman]

I suppose the rest of us (non-high-power high band multi-station  
contesters) shouldn't care.

But it seems this is one of those things that benefits a very few  
users at the expense of adding a bit of operational clunkiness for the  
bulk of K3 users  and to what was originally a pretty clean design  
idea with single band coverage.   Heavy hitting contesters, do, after  
all, have other options such as high performance external  
transverters, etc., which they most likely already have on the table.

Grant/NQ5T


On Jul 22, 2009, at 5:31 PM, Wayne Burdick wrote:

> Our prototype K144XV 2-m module for the K3 used a 6 meter IF (50-54
> MHz). However, a number of K3 owners were concerned with this. In
> multi-transmitter installations, such as during high-band contesting,
> stations typically standardize on a 10-m IF to avoid interaction with
> high-power 6-m transmitters.
>

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[Elecraft] Elecraft K144XV 2-m module design change

[Wayne Burdick]

Our prototype K144XV 2-m module for the K3 used a 6 meter IF (50-54  
MHz). However, a number of K3 owners were concerned with this. In  
multi-transmitter installations, such as during high-band contesting,  
stations typically standardize on a 10-m IF to avoid interaction with  
high-power 6-m transmitters.

Because of this, we've decided go with 10 m (28-30 MHz). The K144XV  
will still cover the full 144-148 MHz range by using two local  
oscillator frequencies (116 and 118 MHz). If you tune across the  
boundary at 146 MHz, the oscillator will switch automatically.

The vast majority of weak signal work occurs below 146 MHz, and  
repeater in/out frequencies are normally either both below 146 or  
above it. So, local oscillator switching at 146 MHz should be a non- 
issue for most applications.

You can set two 2-m transverter bands on the K3 if you like, one  
configured for CW/SSB work (144 MHz band edge) and the other for use  
with repeaters (146 MHz band edge). Or you can set up one band for the  
entire range, and the oscillator will switch as you tune across the  
boundary.

If you have any questions regarding this change, please feel free to  
contact me directly.

73,
Wayne
N6KR
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Re: [Elecraft] K2 Mixer sub

[Don Wilhelm]

George,

A quick review of the MiniCircuits mixer datasheet indicates little 
difference between the TUF-1 and TUF-3 mixers.  The TUF-3 should work 
fine if you have one on hand, but if you do not, I would suggest the 
TUF-1 would be a direct replacement and is priced lower than the TUF-3.

73,
Don W3FPR

George Blahun Jr wrote:
> Hello, I've been searching the archives without seeing the answer, has  
> anyone tried substituting a TUF-3 mixer for the TUF-1 in the K2?   
> Thanks.
>
> George
>   
>
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[Elecraft] K3

[Phil LaMarche]

What I love about this reflector is every day is a day in school.  I learn
so much and I thank everyone.
 
Phil
 

Philip LaMarche 
LaMarche Enterprises, Inc.
  www.instantgourmetspices.com

www.w9dvm.com   
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA 98  00827
CRA 1701

W9DVM 


 
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Re: [Elecraft] K3 s/n 1169 21MHz band distortion

[Joe Planisky]

Hi Jack,

Noise blanker settings can be remembered per-band, and very aggressive  
NB settings can cause distortion.  Is it possible you have set the NB  
levels for the 21 MHz band to very aggressive settings (e.g. dsp t3-7  
and/or IF wid7)?  Press and hold the NB button when on the 21 MHz band  
to see what settings you have and compare them to the settings on  
other bands.  Of course, turning the NB off for the 21 MHz band could  
tell you right away whether that's the problem or not.

Just a thought.

73
--
Joe KB8AP

On Jul 22, 2009, at 1:20 PM, Jack Colson wrote:

> I have noticed whenever I used the transciever on 21MHz (rare since  
> band
> conditons are so poor) a distortion of received signals.

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Re: [Elecraft] K3 and amplifiers such as ALS-600

[Ignacy Misztal]

MRF150 as used in ALS600 has 17db linear gain at 30MHz, and +20db on
20MHz and below. The gain is reduced to 9-11db across the bands by
swamping the input and by some feedback. It can be recovered by using
smaller or no input resistor and by removing or reducing the feedback
with a risk of some instability. Apparently ALS 600 does not suffer
from instability. The data sheet for MRF150 cites IMD3 at -32db in a
circuit without any feedback.

Linearity is another issue.
Ignacy

On Wed, Jul 22, 2009 at 4:07 PM, Mark Bayern wrote:
>>"Amplifiers are not such that 100 = 500 so 10 = 50. Solid state at least,
> look at the charts for the 2 meter amps for instance)  Doesn't work that
> way.
>
> _Linear_ amplifiers do hold true to the "100in=500out, so 10in=50out"
> statement.
> If they are not linear amps, don't use them for anything other than CW and
> FM modes.
> Mark
>
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Re: [Elecraft] RTTY Dual PB

[Lee Buller]

I have had issues with this alsoon several levels.  One, hen I have used 
the feature, it seems the sensitivity of the received signal is diminished.  
Second, I have found that the power output reduces by about 10 to 15 watts.  
Not much, but still, something isn't right there.  I have had no trouble using 
my 500 Hz roofing filter and going down to 200 or 300 Hz and working RTTY.  The 
PB setting, although a great feature, has not "flipped my skirt up."  Something 
is not right.  I have asked the questions about the power issue and they are 
looking into it.  This has been several months.

Lee - K0WA


 The New Kansas QSO Party - August 29, Sat 9am-9pm and August 30 Sun 9am-3pm 
CDT 
More Info at:  http://www.ksqsoparty.org/

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?





From: "dave.wilb...@verizon.net" 
To: elecraft@mailman.qth.net
Sent: Wednesday, July 22, 2009 3:39:42 PM
Subject: Re: [Elecraft] RTTY Dual PB

The first time I used it I was able to dig out one rtty signal that was mixed 
in with another that was on a slightly different freq. Though I have not been 
successful with it since then. 

Dave Wilburn
NM4M
--Original Message--
From: k...@aol.com
Sender: elecraft-boun...@mailman.qth.net
To: elecraft@mailman.qth.net
Subject: [Elecraft] RTTY Dual PB
Sent: Jul 22, 2009 16:30

My question addresses RTTY (FSK D) and the Dual PB capability.

I understand the theory of what is being done, but I have yet to see the 
advantage of Dual PB on an RTTY signal as opposed to normal passband.

I am curious if any of the RTTY ops have seen a definite advantage of using 
Dual PB over normal passband tuning.

73, Steve, K4FJ
K3 #290
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Re: [Elecraft] Audible relay click

[Ken K3IU]

Steve:
Sounds like the problem I had with K3 #202 in May 2008. KSYN3 board had 
to be replaced. There should be no relay actions on the KSYN3 boards 
within any ham band. Recommend you contact K3support. They should send a 
replacement board.
73,
Ken K3IU
K3 #202
~
k...@aol.com wrote:
> Hi,
>
> I have K3 #290, purchased used last year.? I hear an audible click which I 
> presume is a relay when I tune from 14085.08 to 14085.09. This click is not 
> coming through the speaker.
>
> I recall reading something about that on this reflector some time back but I 
> don't recall the reason or discussion, if any.
>
> The K3 seems to work just fine and I love it.
>
> Thought I would ask here before asking the Elecraft folks directly.
>
> 73, Steve, K4FJ
> K3 #290
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Re: [Elecraft] RTTY Dual PB

[dave . wilburn]

The first time I used it I was able to dig out one rtty signal that was mixed 
in with another that was on a slightly different freq. Though I have not been 
successful with it since then. 

Dave Wilburn
NM4M
--Original Message--
From: k...@aol.com
Sender: elecraft-boun...@mailman.qth.net
To: elecraft@mailman.qth.net
Subject: [Elecraft] RTTY Dual PB
Sent: Jul 22, 2009 16:30

My question addresses RTTY (FSK D) and the Dual PB capability.

I understand the theory of what is being done, but I have yet to see the 
advantage of Dual PB on an RTTY signal as opposed to normal passband.

I am curious if any of the RTTY ops have seen a definite advantage of using 
Dual PB over normal passband tuning.

73, Steve, K4FJ
K3 #290
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[Elecraft] Audible relay click

[k4fj]

Hi,

I have K3 #290, purchased used last year.? I hear an audible click which I 
presume is a relay when I tune from 14085.08 to 14085.09. This click is not 
coming through the speaker.

I recall reading something about that on this reflector some time back but I 
don't recall the reason or discussion, if any.

The K3 seems to work just fine and I love it.

Thought I would ask here before asking the Elecraft folks directly.

73, Steve, K4FJ
K3 #290
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[Elecraft] K3 s/n 1169 21MHz band distortion

[Jack Colson]

- Original Message - 
From: "Jack Colson" 
To: 
Sent: Wednesday, July 22, 2009 4:20 PM
Subject: [Elecraft] K3 s/n 1169 21MHz band distortion


>I have noticed whenever I used the transciever on 21MHz (rare since 
>band
> conditons are so poor) a distortion of received signals.  I listened 
> to
> the transmitted signal using on other receiver(s) and it is quite
> noticeable.  Especially when comparing the purity of the CW note on 14
> and 28 MHz.
>
> The recieved signal distortion is difficult to describe.  The amount 
> of
> distortion varies from signal to signal.  And it does not seem to be a
> function of received signal strength.
>
> I switched power supplies, no change.  Switched from using an external
> antenna to a dummy load and no change in the sound of the transmitted
> signal purity.
>
> I think the best illustration of this would be for me to call a 
> service
> technician and let them listen to it.  That would at least let them 
> hear
> what I am experiencing.
>
> Thank you for your assistance.
>
> Jack Colson, W3TMZ
>
>
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[Elecraft] RTTY Dual PB

[k4fj]

My question addresses RTTY (FSK D) and the Dual PB capability.

I understand the theory of what is being done, but I have yet to see the 
advantage of Dual PB on an RTTY signal as opposed to normal passband.

I am curious if any of the RTTY ops have seen a definite advantage of using 
Dual PB over normal passband tuning.

73, Steve, K4FJ
K3 #290
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Re: [Elecraft] LP PAN

[Leigh L. Klotz, Jr. WA5ZNU]

Linux users can install quisk-lppan-k3.  It's a far simpler user interface
than the PowerSDR software.  We're hoping to port it to Windows as well
some day.  It can control the K3 directly, or work through fldigi, which
is a digimode program that itself runs on Windows, Mac, and Linux.

http://wa5znu.org/2009/04/quisk-lppan-k3/

Leigh/WA5ZNU

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[Elecraft] K3 s/n 1169 21MHz band distortion

[Jack Colson]

I have noticed whenever I used the transciever on 21MHz (rare since band 
conditons are so poor) a distortion of received signals.  I listened to 
the transmitted signal using on other receiver(s) and it is quite 
noticeable.  Especially when comparing the purity of the CW note on 14 
and 28 MHz.

The recieved signal distortion is difficult to describe.  The amount of 
distortion varies from signal to signal.  And it does not seem to be a 
function of received signal strength.

I switched power supplies, no change.  Switched from using an external 
antenna to a dummy load and no change in the sound of the transmitted 
signal purity.

I think the best illustration of this would be for me to call a service 
technician and let them listen to it.  That would at least let them hear 
what I am experiencing.

Thank you for your assistance.

Jack Colson, W3TMZ


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Re: [Elecraft] Random Wire Antenna!

[James Harris]

Thanks, Dave [W8OV] for your quick response.  I'll let ALL know how my 
fun/experiment works out.
 
Best 73.
 
Jim
WA4NTM

--- On Wed, 7/22/09, Dave, W8OV  wrote:


From: Dave, W8OV 
Subject: Re: [Elecraft] Random Wire Antenna!
To: capo...@bellsouth.net
Date: Wednesday, July 22, 2009, 2:59 PM


James Harris wrote:
> Good afternoon, Folks.
>  A couple of weeks ago, one member of The Reflector posted an account of 
>where he took his Elecraft rig [Model now escapes me] to the park at lunch 
>time and had fun with his Random Wire Antenna thrown up in a tree.
>  I've tried searching the the archives but with no success.
>  If someone could/would help me located this posting, I would appreciate it.
>  I'm interested in working 40M primarily using a Random Wire.  This is just 
>for fun/experimental purposes as I have several PAR Electronic End Fed Dipoles 
>I normally use with great success.
>  Response direct or on-line would be appreciated.
>  Thanks and Best 73.
>  Jim.
> WA4NTM.

This is from July 10th.

73, Dave - W8OV


Okay, I am pumped and just had to share.  I finally finished up my Elecraft
KX-1 and internal tuner.  I headed to the park today at lunch and threw my
28 ft. wire up in the tree with a 16 ft. counterpoise.  I ran off the
internal battery pack.  I not been on the air for probably 12 years

I called CQ both times!  Keith - KB8FE & Darval - W7KNA - two much better
ops than I.  Thanks guys!

CW is VERY rusty - but I managed!

You can read the longer post at my blog http://N0HYD.com 

Burke Jones
N0HYD
Olathe, KS
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Re: [Elecraft] K3 and amplifiers such as ALS-600

[Mark Bayern]

>"Amplifiers are not such that 100 = 500 so 10 = 50. Solid state at least,
look at the charts for the 2 meter amps for instance)  Doesn't work that
way.

_Linear_ amplifiers do hold true to the "100in=500out, so 10in=50out"
statement.

If they are not linear amps, don't use them for anything other than CW and
FM modes.

Mark
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Re: [Elecraft] K2 FS

[NG3V]

Entire rig spoken for.

Thanks es 73,

Tom, ng3v

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of NG3V
Sent: Tuesday, July 21, 2009 3:54 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K2 FS

I have decided to go in a new direction for a while, and am posting my
K2-100 (Serial 4991) For Sale:

 

K2

KAT2

KPA100

KAT100-1

KSB2

KDSP2

KIO2

KNB2

FDIMP

DL1

Heil MD2 Desk microphone and CB1 chrome stand, retro-style 'ELECRAFT' base.

Rework Eliminator for Microphone assembled but not installed.

 

Assembled by very experienced kit builder and home brewer.

 

100 Watt Finals have less than 1 hour, and K2 itself has been used very
little.  QRP lid is supplied with KIO2 for quick exchange QRO to QRP.

 

Non-Smoking environment and never outside.  This equipment is spotless and
performs beautifully.  All documentation.

 

Kits now total just under $2000.

 

Asking $1350

 

I will pay for shipping to continental USA address.

 

Price will drop $50 per week until sold or I change my mind.  Replies and
offers off-net please

 

Thank you and 73.

 

Tom, n...@comcast.net

 

 

 

 

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Re: [Elecraft] K3 and amplifiers such as ALS-600

[Jim Miller KG0KP]

I had thought about that when I was about to order my K3 as a 10 watt 
version (to start).  I turned my 746 down to 10 watts measured and my 
unmodified ALS500 put out 140 watts with 10 watts in (500 watts out with 100 
in).  That is what i intended to do until I could get the additional money 
for the PA.

Amplifiers are not such that 100 = 500 so 10 = 50. Solid state at least, 
look at the charts for the 2 meter amps for instance)  Doesn't work that 
way.

73, de Jim KG0KP

- Original Message - 
From: "Ignacy" 
To: 
Sent: Wednesday, July 22, 2009 2:23 PM
Subject: Re: [Elecraft] K3 and amplifiers such as ALS-600


>
> One of frequent authors in QST runs ALS600 with K2/10. He removed most of 
> the
> input resistors in ALS600 to boost amplification and runs almost full 
> power
> with QRP drive. Probably the same can be done for for K3/10W.
> Ignacy, NO9E
> -- 
> View this message in context: 
> http://n2.nabble.com/K3-and-amplifiers-such-as-ALS-600-tp3300117p3305281.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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> 


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[Elecraft] Random Wire Antenna!

[James Harris]

Good afternoon, Folks.
 
A couple of weeks ago, one member of The Reflector posted an account of where 
he took his Elecraft rig [Model now escapes me] to the park at lunch time and 
had fun with his Random Wire Antenna thrown up in a tree.
 
I've tried searching the the archives but with no success.
 
If someone could/would help me located this posting, I would appreciate it.
 
I'm interested in working 40M primarily using a Random Wire.  This is just for 
fun/experimental purposes as I have several PAR Electronic End Fed Dipoles I 
normally use with great success.
 
Response direct or on-line would be appreciated.
 
Thanks and Best 73.
 
Jim.
WA4NTM.
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Re: [Elecraft] K3 and amplifiers such as ALS-600

[Ignacy]

One of frequent authors in QST runs ALS600 with K2/10. He removed most of the
input resistors in ALS600 to boost amplification and runs almost full power
with QRP drive. Probably the same can be done for for K3/10W.
Ignacy, NO9E   
-- 
View this message in context: 
http://n2.nabble.com/K3-and-amplifiers-such-as-ALS-600-tp3300117p3305281.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Big Coax on Dipoles

[Wes Stewart]

Re: 150:1 SWR.

I have an inverted vee style dipole consisting of two wires fed in parallel at 
the feed-point, one cut for 80/75 (depending on some jumpers at the ends) and 
the other for 40-meters. The feed is at about 45 feet above ground and the 
low-freq dipole ends are at about 25' above ground.  The wires are displaced 
horizontally (fanned) about 25 degrees from each other.

I have a pretty accurate model of this antenna, that has be confirmed against 
actual measurements on the two bands using my N2PK vector network analyzer that 
was calibrated at the end of a 50' run of cable necessary to get from the 
antenna to ground.

The tower is about 125' from the shack so the total run of RG-213 is about 200'.

The modeled worst case SWR occurs on 20-meters where it is about 32:1.  
Including the transmission line loss decreases the SWR to under 5:1 over all of 
the ham bands from 80 thru 6 meters, with the worst case still being 
20-meters.  The worst case line loss is a bit over 8 dB, with 20 and 10-meters 
being the culprits. 

Since I have a HB three-element Yagi for 20, that band is not an issue and I 
can work all of the other HF bands using only my L4-B "active tuner".  I've 
also worked about 120 Q's on 6-meters using the K3 (no tuner) and have about 20 
states worked and 5 DXCC countries, including a couple of JAs on that band 
using the same antenna.

(Editorial mode on: The JAs were worked on Field Day and I worked them about an 
hour apart.  The first one was still calling CQ without success when I worked 
the second.  So the band was open for DX but no one (except me) was listening.)

However, this is in no way an endorsement of using such a system as an all-band 
antenna, even one fed with ladder line.  These antennas are at best 
compromises, with generally unknown performance characteristcs, and at worst 
not much better than dumy loads.

Wes Stewart  N7WS


--- On Wed, 7/22/09, Steve Ellington  wrote:

From: Steve Ellington 
Subject: Re: [Elecraft] Big Coax on Dipoles
To: "Jim Brown" , "Elecraft List" 

Date: Wednesday, July 22, 2009, 7:57 AM

The feed point on some of those bands would see a 150:1 swr (no kidding)! 
Your efficiency would be about 5%. Your tuner would still  see a low swr and 
it will be an easy match because of the tremendous loss in that 100 pounds 
of coax. Sure you can work stations, with that height you could QSO with a 
light bulb,  but you would be 100 times stronger using ladder line plus you 
wouldn't need 95 pounds of sand to hold up that lossy dummy load coax.
I'm feeding a 200' doublet with ladder line then to a 4:1 current balun next 
to the K3. The K3's internal tuner finds a match on 160-6 meters and I have 
very little power loss on any band. Now if I could just find a fertilizer to 
make my tree grow another 50'!

Steve
N4LQ
n...@carolina.rr.com
- Original Message - 
From: "Jim Brown" 
To: "Elecraft List" 
Sent: Wednesday, July 22, 2009 1:03 AM
Subject: [Elecraft] Big Coax on Dipoles


> On Fri, 17 Jul 2009 09:19:03 +0100, Geoffrey Mackenzie-Kennedy wrote:
>
>>orgetting about RF performance for a moment, wouldn't the weight of RG-8/
>>RG-213 create a problem unless the antenna is supported at its feedpoint ?
>
> I have four fan dipoles suspended at 100-120 ft between tall trees
> (redwoods), all fed with RG8 or RG11. There is no problem supporting the 
> big
> coax. The keys to success are robust mechanical construction so that you 
> can
> establish high lateral tension. If one of the objects you're suspending 
> from
> is a tree, one end needs a weight and pulley to adjust to wind conditions. 
> I
> use 6.5 gallon water jugs filled with dry sand (roughly 95 pounds), and 
> the
> trees are typically 140-220 ft apart. I use 5/16-inch dual woven poly 
> rope,
> #10 solid copper, and robust insulators. Do they sag? Sure -- at least 10 
> ft
> on the long dipoles. Does it matter? No.
>
> One of the side benefits of the big coax is that my 80/40 fans (at right
> angles) work quite well on 30M, 17M, 12M, and 6M, thanks to the lower loss
> with moderate degrees of mismatch. With relatively litte time on 6M, I've
> made nearly two dozen QSOs of more than 2,500 miles with my K3 and one of
> those dipoles.
>
> 73,
>
> Jim Brown K9YC


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Re: [Elecraft] clear function from M1-M4 memories

[Dick Dievendorff]

I could certainly have misunderstood.  Thanks, Ian.

Dick, K6KR



-Original Message-
From: Iain MacDonnell - N6ML [mailto:k6...@dseven.org] On Behalf Of Iain
MacDonnell - N6ML
Sent: Wednesday, July 22, 2009 9:16 AM
To: Dick Dievendorff
Cc: 'Steef PA2A'; 'Elecraft'
Subject: Re: [Elecraft] clear function from M1-M4 memories


If I read Steef's question right, it was not about erasing a stored CW
message, but removing a programmable function assignment from one of the
"Mx" buttons. The answer, as provided by KB8AP earlier today, would be
to tap REC, then the "Mx" button in question, then REC again

By the way, the function isn't stored in the CW memory - it's a button
override in firmware. The CW is still stored in the memory, and you can
regain access to it as above.

 ~Iain / N6ML


Dick Dievendorff wrote:
> Steef:
> 
> You should be able to remove a CW message stored in one of the CW message
> memories with the K3 Utility. 
> 
> I just erased one of my messages in M3.
> 
> I used the config menu, clicked the "Edit CW Memories" button, positioned
> the mouse cursor somewhere in M3, clicked the mouse, 
> pressed CTRL-A to select all the text, pressed the "Delete" key, and then
> clicked the "Save" button. 
> 
> When I pressed M3 on the K3 front panel, the K3 transmitted nothing and
> showed "End" in the VFO B area of the K3 LCD screen.
> 
> I opened the K3 Utility Edit CW Memories dialog again, and M3 was empty. 
> 
> What happens when you do these steps with the memory you'd like erased? 
> 
> Dick, K6KR
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Steef PA2A
> Sent: Saturday, July 18, 2009 9:25 AM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] clear function from M1-M4 memories
> 
> Hi,
> 
> Is there a way to clear a function that is unintentionally stored in the
> M1-M4 memories? I had to use paddle to get my CQ back into M1. Programming
> with the Elecraft Utility did not work, it only shows the overwritten
> message.
> 
> 73 's Steef PA2A
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Re: [Elecraft] Max-Gain MK-8

[HowardZ]

Well, maybe I'm being a little picky here, but the "Arrow 2m/440m j-pole" is
not a j-pole antenna.
Arrow calls it an "open stub j-pole" - but it's a new creation and borrowing
the popular "j-pole"name.

Looking at the pictures - the vertical element which has the coax cable
attached to it - well this item appears to be complete insulated from the
rest of the antenna.  Look at the parts list and there is a plastic
sleeve/washer that insulates it from the rest of the antenna.  I think the
other vertical elements probably do nothing at all except to make it
resemble a jpole?  Or maybe these additional elements are parasitic elements
- similar to a yagi's elements.  How does this antenna work?  I don't know. 
That's why I didn't buy it.

Instead I got a co-worker to teach me basic plumbing soldering skills to
build a Super Cactus J-Pole antenna.  It has more gain that a regular
J-pole.  Including soldering tools, I certainly paid more than buying the
Arrow "open stub j-pole" - but I don't want an antenna I don't understand. 
The Super Cactus J-Pole works well on my Winlink 2m RMS station.

Howard



list1 wrote:
> 
> I used an MK-8HD (50') for Field Day. I had an Arrow 2m/440M j-pole over a
> large dipole center insulator made from pvc pipe and used 300 Ohm ladder
> line and 140' of 14 gauge house wire.  Once three people guyed it
> perfectly
> vertical it was OK for the rest of the weekend.  However the top did bow
> before that.  I purchased the three fiberglass guy rings that were nice
> ($5
> each).  It was actually extended about 43 feet total.  I have some pics
> at:
> http://tinyurl.com/luwagy
> 
> Next time I will use a much smaller center insulator.
> 
> For NVIS, for MARS I will take off the top 1" OD section.
> 
> Steve, W2MY, AAR6CX
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net]on Behalf Of Matthew Zilmer
> Do any of you Elecrafters have experience with Max-Gain's MK-8
> fiberglass mast (telelscoping poles)?  I'm interested in using their
> 50-footer guyed down as a center support for an 80m doublet.
> 
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Re: [Elecraft] clear function from M1-M4 memories

[Iain MacDonnell - N6ML]

If I read Steef's question right, it was not about erasing a stored CW
message, but removing a programmable function assignment from one of the
"Mx" buttons. The answer, as provided by KB8AP earlier today, would be
to tap REC, then the "Mx" button in question, then REC again.

By the way, the function isn't stored in the CW memory - it's a button
override in firmware. The CW is still stored in the memory, and you can
regain access to it as above.

 ~Iain / N6ML


Dick Dievendorff wrote:
> Steef:
> 
> You should be able to remove a CW message stored in one of the CW message
> memories with the K3 Utility. 
> 
> I just erased one of my messages in M3.
> 
> I used the config menu, clicked the "Edit CW Memories" button, positioned
> the mouse cursor somewhere in M3, clicked the mouse, 
> pressed CTRL-A to select all the text, pressed the "Delete" key, and then
> clicked the "Save" button. 
> 
> When I pressed M3 on the K3 front panel, the K3 transmitted nothing and
> showed "End" in the VFO B area of the K3 LCD screen.
> 
> I opened the K3 Utility Edit CW Memories dialog again, and M3 was empty. 
> 
> What happens when you do these steps with the memory you'd like erased? 
> 
> Dick, K6KR
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Steef PA2A
> Sent: Saturday, July 18, 2009 9:25 AM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] clear function from M1-M4 memories
> 
> Hi,
> 
> Is there a way to clear a function that is unintentionally stored in the
> M1-M4 memories? I had to use paddle to get my CQ back into M1. Programming
> with the Elecraft Utility did not work, it only shows the overwritten
> message.
> 
> 73 's Steef PA2A
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Re: [Elecraft] K3 LP-PAN, N1MM

[W2XB]

Hello Rob,
I have the same setup, all is working fine except, can't get n1mm to
transmit on digital. Can you give me your setting for the digital. Had it
working a while ago, but have a new PC and can't get digital to transmit.
Great setup...

Don...w2xb




Robert Beard wrote:
> 
> Hello Group,
> 
> FWIW, the K3, LP-PAN, EMU-202, SDR, N1MM, WinkeyerUSB, and Skimmer all
> working simultaneously. No problems.
> 
> (But it is a bit tricky setting up - took me about two weeks)
> 
> Rob, N6VX
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Re: [Elecraft] K3 and amplifiers such as ALS-600

[.k8dd.]

HowardZ wrote:
> Is it best to use a buffer send/ptt device like the Ameritron ARB-704 with
> the K3?
> 
> Howard

Depends on the amp.
ALS-600 - no
Unmodified SB-200/220 - yes
FL2100 - yes

Basically put - check the voltage on the amp's relay line.  If it is AC, 
or a higher voltage, or if it is higher current to pick the relay, than 
is specified in the K3 specs - use the ARB-704.

And, yes, you can use the ARB-704 with any amp, even though it may not 
be needed.

73HankK8DD


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Re: [Elecraft] K3 and amplifiers such as ALS-600

[Phil & Debbie Salas]

"Is it best to use a buffer send/ptt device like the Ameritron ARB-704 with
the K3?"

Not necessary.  The ALS-600 keying input has an open circuit voltage of 
12VDC, and requires you to sink 100ma (or 70ma with the QSK mod) to key the 
amp.  Easily handled by the K3 amp-key RCA output.

If you have a new ALS-600, ALS-500 or ALS-1300 with the ARI-500 for 
auto-band switching, the K3 band data output works great.  You do need the 
K3 TTL band data mod if you have an early K3 as the ARI-500 does not have 
pull-up resistors.

The K3 TTL band data mod is also required for the THP HL-1.5 amp, but not 
for the HL-2.5 (the HL-2.5 has internal pull-up resistors).  As I recall, 
the SPE EXPERT amp has internal pull-up resistors as well - but I'm not 100% 
certain about this.

Phil - AD5X 

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Re: [Elecraft] LP PAN

[Dick Williams]

Dave,

I purchased a LP-Pan and a E-MU 0202 a few weeks ago and had no problem 
getting either of them working and interfacing DXBase.  I wonder if you have 
given Larry a call at Telepost?

The only minor problem I had was with the PowerSDR software.   For reasons 
only known to the "computer gods",   it would not load correctly and when I 
tried to run it, I would get three or four "fatal error" messages.  I even 
tried to un-install it and then re-install with no luck.

There was an easy fix that involved formating the hard drive and then 
re-installing Windows XP (a "ritual" that should be done once a year 
anyway).  Fortunately,  formattng the hard drive and re-installing XP is 
pretty easy, but time consuming to download and install all the updates and 
programs.  With the fresh install, everything worked the first time.

I did have a couple of "procedural" questions, and a couple of quick calls 
to Larry answered those.

It works really great and well worth the time and expense of installing it.

Dick  K8ZTT



- Original Message - 
From: "N1IX" 
To: 
Sent: Tuesday, July 21, 2009 11:20 PM
Subject: [Elecraft] LP PAN


>I have noticed a lot of LP Panadaapters for sale. I am wondering why.
> Do they work well? I have one but I haven't been able to get it working 
> yet.
>
> Dave N1IX
>
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Re: [Elecraft] clear function from M1-M4 memories

[Dick Dievendorff]

Steef:

You should be able to remove a CW message stored in one of the CW message
memories with the K3 Utility. 

I just erased one of my messages in M3.

I used the config menu, clicked the "Edit CW Memories" button, positioned
the mouse cursor somewhere in M3, clicked the mouse, 
pressed CTRL-A to select all the text, pressed the "Delete" key, and then
clicked the "Save" button. 

When I pressed M3 on the K3 front panel, the K3 transmitted nothing and
showed "End" in the VFO B area of the K3 LCD screen.

I opened the K3 Utility Edit CW Memories dialog again, and M3 was empty. 

What happens when you do these steps with the memory you'd like erased? 

Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Steef PA2A
Sent: Saturday, July 18, 2009 9:25 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] clear function from M1-M4 memories

Hi,

Is there a way to clear a function that is unintentionally stored in the
M1-M4 memories? I had to use paddle to get my CQ back into M1. Programming
with the Elecraft Utility did not work, it only shows the overwritten
message.

73 's Steef PA2A
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Re: [Elecraft] K3 and amplifiers such as ALS-600

[Lee Buller]

No, you do not need it.  I have an AL82 I am keying right out of the back of 
the K3.  Works fine.  Usually, it is a 12 volt time for keying the Ameritron 
Amps.  I am not sure I would do that with just any old amp, but the Ameritrons 
use 12 volt keying line and not the 130 of the SB Line.  

Lee - K0Wa


 The New Kansas QSO Party - August 29, Sat 9am-9pm and August 30 Sun 9am-3pm 
CDT 
More Info at:  http://www.ksqsoparty.org/

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?





From: HowardZ 
To: elecraft@mailman.qth.net
Sent: Wednesday, July 22, 2009 10:16:01 AM
Subject: Re: [Elecraft] K3 and amplifiers such as ALS-600


Is it best to use a buffer send/ptt device like the Ameritron ARB-704 with
the K3?

Howard
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[Elecraft] Selling Brand New K3

[Dave Erisman]

I would like to post this Ad on the Reflector as to the suggestion of 
Madelyn Gomez at Elecraft.   I have for Sale a Brand new K3/100  that is 
still at the Engineer's Location being built. I was  Just informed of a 
pending lay-off at my job due to the ecomony.  I regrettfully must sell this 
brand new K3/100.  Have most option accessories, does not have the 
subreceiver installed though.  Contact  Mr. David Erisman  WD8PBF   at 
937-548-6219 after 4 Pm Eastern or anytime on weekend. 

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Re: [Elecraft] K3 and amplifiers such as ALS-600

[HowardZ]

Is it best to use a buffer send/ptt device like the Ameritron ARB-704 with
the K3?

Howard
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Re: [Elecraft] K3 - Cockpit erro

[Greg - AB7R]

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Re: [Elecraft] K3 - Cockpit erro

[Joe Planisky]

Hi Paul,

I ran into the same situation for the first time last weekend.  You  
probably hit one of the M1 - M4 buttons while the TX EQ config item  
with active.  To restore your CW memories, tap REC, then tap the  
memory switch you want to restore (M1 - M4), then tap REC again.

This is explained at the bottom of page 21 in the Owners Manual (rev  
D4) in the section titled "Programmable Functions".

73
--
Joe KB8AP

On Jul 22, 2009, at 6:57 AM, PAUL VANOVEREN wrote:

>  Yesterday, when fooling around in the Config:Menu, and  
> experimenting with the TX-EQ, I must have hit some buttons by  
> mistake. My CW memories, set up in the Elecraft Utility, no longer  
> work as before. Now the TX EQl info shows up when I push on the the  
> M1-M4 message buttons... Can someone tell me how to clear the  
> preferences that I seem to have set up inadvertantly. Do I have to  
> do some sort of soft reset ?? I can not find the information in the  
> manual. Running 3.11 firmware, K3 is serial no. 758...
>  The CW memories in the Utility have not changed, they just will  
> not run.
>
> Paul
> NF8J
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[Elecraft] K3 - Cockpit erro

[PAUL VANOVEREN]

  Yesterday, when fooling around in the Config:Menu, and experimenting with 
the TX-EQ, I must have hit some buttons by mistake. My CW memories, set up in 
the Elecraft Utility, no longer work as before. Now the TX EQl info shows up 
when I push on the the M1-M4 message buttons... Can someone tell me how to 
clear the preferences that I seem to have set up inadvertantly. Do I have to do 
some sort of soft reset ?? I can not find the information in the manual. 
Running 3.11 firmware, K3 is serial no. 758...
  The CW memories in the Utility have not changed, they just will not run. 

Paul 
NF8J
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Re: [Elecraft] Big Coax on Dipoles

[Steve Ellington]

The feed point on some of those bands would see a 150:1 swr (no kidding)! 
Your efficiency would be about 5%. Your tuner would still  see a low swr and 
it will be an easy match because of the tremendous loss in that 100 pounds 
of coax. Sure you can work stations, with that height you could QSO with a 
light bulb,  but you would be 100 times stronger using ladder line plus you 
wouldn't need 95 pounds of sand to hold up that lossy dummy load coax.
I'm feeding a 200' doublet with ladder line then to a 4:1 current balun next 
to the K3. The K3's internal tuner finds a match on 160-6 meters and I have 
very little power loss on any band. Now if I could just find a fertilizer to 
make my tree grow another 50'!

Steve
N4LQ
n...@carolina.rr.com
- Original Message - 
From: "Jim Brown" 
To: "Elecraft List" 
Sent: Wednesday, July 22, 2009 1:03 AM
Subject: [Elecraft] Big Coax on Dipoles


> On Fri, 17 Jul 2009 09:19:03 +0100, Geoffrey Mackenzie-Kennedy wrote:
>
>>orgetting about RF performance for a moment, wouldn't the weight of RG-8/
>>RG-213 create a problem unless the antenna is supported at its feedpoint ?
>
> I have four fan dipoles suspended at 100-120 ft between tall trees
> (redwoods), all fed with RG8 or RG11. There is no problem supporting the 
> big
> coax. The keys to success are robust mechanical construction so that you 
> can
> establish high lateral tension. If one of the objects you're suspending 
> from
> is a tree, one end needs a weight and pulley to adjust to wind conditions. 
> I
> use 6.5 gallon water jugs filled with dry sand (roughly 95 pounds), and 
> the
> trees are typically 140-220 ft apart. I use 5/16-inch dual woven poly 
> rope,
> #10 solid copper, and robust insulators. Do they sag? Sure -- at least 10 
> ft
> on the long dipoles. Does it matter? No.
>
> One of the side benefits of the big coax is that my 80/40 fans (at right
> angles) work quite well on 30M, 17M, 12M, and 6M, thanks to the lower loss
> with moderate degrees of mismatch. With relatively litte time on 6M, I've
> made nearly two dozen QSOs of more than 2,500 miles with my K3 and one of
> those dipoles.
>
> 73,
>
> Jim Brown K9YC
>
>
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Re: [Elecraft] [K2] KBT2 Battery

[thom2]

  Don knows from the K2 battery, he has a very informative article on his web 
site about the care and feeding of SLA's.

  I also believe that if you are charging the K2 through the power jack in the 
back of the rig you are running through a voltage reversal diode before you get 
to the battery, which is dropping the voltage about .4 volts or so and that's 
probably accounting for the difference.  
Tom
WB2QDG
-- Original message --
From: Don Wilhelm 
>
> Paul,
> 
> That should be fine.  The K2 itself is speced for up to 15 volts input.
> If you want a refinement over the K2 display of voltage, measure the 
> voltage right at the terminals of a fully charged internal battery.
> 
> If your battery was not fully charged when you cranked up the power 
> supply, check the voltage over the next several days and re-adjust the 
> power supply as needed.
> 
> 73,
> Don W3FPR
> 
> pkhjr wrote:
> > I installed the battery in my K2 and adjusted the voltage up on my astron. 
> > The voltage on the astron is 14.4 and the voltage on K2 meter is 13.8.  Is
> > this to high or should I drop it down a little?
> > Tnx Paul
> >   
> > 
> >
> >
> > No virus found in this incoming message.
> > Checked by AVG - www.avg.com 
> Version: 8.5.375 / Virus Database: 270.13.21/2252 - Release Date: 07/21/09 
> 05:58:00
> >
> >   
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[Elecraft] K2 Mixer sub

[George Blahun Jr]

Hello, I've been searching the archives without seeing the answer, has  
anyone tried substituting a TUF-3 mixer for the TUF-1 in the K2?   
Thanks.

George
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Re: [Elecraft] LP PAN as i see it

[Phil LaMarche]

I purchased the LP-PAN because I came from several years of owning the Flex
5000A and it uses the same software.  I had forgotten how to use knobs.

Only had one configuration problem and a phone call to Larry, fixed that.
It has worked perfectly since and I love using it. I am spoiled with the
scope, especially on 6 meters for the reasons mentioned.  On the other
bands, tuning is so quick with a simple mouse click.  It puts the frosting
on the K3.

Phil


Philip LaMarche 
LaMarche Enterprises, Inc.
www.instantgourmetspices.com

www.w9dvm.com 
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA 98  00827
CRA 1701

W9DVM 



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Steve Ellington
Sent: Wednesday, July 22, 2009 8:46 AM
To: N1IX; elecraft@mailman.qth.net
Subject: Re: [Elecraft] LP PAN as i see it

Many people buy the LP-PAN but get bogged down in it's complexity and end up
selling them. It's not "plug and play". You're dealing with:
1. K3 must have the KXV3 board, $99, installed.
2. BNC coax cable to LP-PAN.
3. LP-PAN $227 assembled.
4. Cables from LP-PAN to sound card.
5. Sound card (special). Not your average Soundblaster! I used the Creative
EMU 0202 external USB attached "audio interface". $100.
6. USB cable to PC.
7. Drivers installed for sound card.
8. PowerSDR-IF software from WU2X (download).
9. Configure, calibrate and choose from dozens of options and settings in
software.
"INSTRUCTIONS" for the LP-PAN are found at this link: 
http://www.telepostinc.com/LP-PAN.html
"INSTRUCTIONS for PowerSDR-IF are found at this link: 
http://www.wu2x.com/sdr.html
This is at best, confusing. Paragraph after paragraph of information that
has slowly evolved over months and months. Useful links, system
requirements, mods, betas, HRD, SDR-IQ.It's a world of it's own!
I'm using LP-PAN here. Yes it took me quiet a while to make it all work. The
software locked up my PC. I had cable problems. I ended up changing PCs and
the one I have still isn't fast enough to actually use LP-PAN as a radio. 
Too many pops and cracks but the scope is GREAT! I use it constantly.
Yea, you can set there and slowly twiddle the vfo knob across the band
searching for signals but with the scope you soon learn that you had been
tuning right past signals and didn't know it! All it takes is a brief pause
in transmission and you've missed him. Just a few days ago I landed on 6
meters and sat back and watched the scope. Soon a single blip appeared in
the cw portion for about 5 seconds. I clicked the mouse in the general area
and waited for about 30 seconds. Suddenly I heard CQ CQ CQ de W5VYH W5VYH K.

I snagged him. A distance of 625 miles. The only signal on 6 meters and CW
at that! It's the first 6 meter QSO I've had in 30 years. The band quickly
went dead and it was over.
Tell meWhat are the odds of me working W5VYH if I had no bandscope? 
ZERO, ZILCHYou could wear out 100 finger dimples and never accomplish
that!
Did I mention my antenna? A 200' doublet fed with ladder lineThe tuner
in the K3 somehow found a match on 6 meters. BTW: That tuner is astounding. 
It matches things that shouldn't be matched.

Yes I hope Elecraft comes out with a better solution than this cantankerous
hodgepodge of little black boxes, cables and weird software but until then
I'll keep on using it.

Steve
N4LQ


n...@carolina.rr.com
- Original Message -
From: "N1IX" 
To: 
Sent: Wednesday, July 22, 2009 1:20 AM
Subject: [Elecraft] LP PAN


>I have noticed a lot of LP Panadaapters for sale. I am wondering why.
> Do they work well? I have one but I haven't been able to get it working 
> yet.
>
> Dave N1IX
>
> __
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Re: [Elecraft] K3 LP-PAN, N1MM

[Steve Ellington]

Congratulations Rob. Now you can set back and watch the radar for bogies. No 
amount of knob twisting would ever find them.

Steve
N4LQ
n...@carolina.rr.com
- Original Message - 
From: "Robert Beard" 
To: 
Sent: Wednesday, July 22, 2009 7:33 AM
Subject: [Elecraft] K3 LP-PAN, N1MM


> Hello Group,
>
> FWIW, the K3, LP-PAN, EMU-202, SDR, N1MM, WinkeyerUSB, and Skimmer all 
> working simultaneously. No problems.
>
> (But it is a bit tricky setting up - took me about two weeks)
>
> Rob, N6VX
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Re: [Elecraft] LP PAN as i see it

[Steve Ellington]

Many people buy the LP-PAN but get bogged down in it's complexity and end up 
selling them. It's not "plug and play". You're dealing with:
1. K3 must have the KXV3 board, $99, installed.
2. BNC coax cable to LP-PAN.
3. LP-PAN $227 assembled.
4. Cables from LP-PAN to sound card.
5. Sound card (special). Not your average Soundblaster! I used the Creative 
EMU 0202 external USB attached "audio interface". $100.
6. USB cable to PC.
7. Drivers installed for sound card.
8. PowerSDR-IF software from WU2X (download).
9. Configure, calibrate and choose from dozens of options and settings in 
software.
"INSTRUCTIONS" for the LP-PAN are found at this link: 
http://www.telepostinc.com/LP-PAN.html
"INSTRUCTIONS for PowerSDR-IF are found at this link: 
http://www.wu2x.com/sdr.html
This is at best, confusing. Paragraph after paragraph of information that 
has slowly evolved over months and months. Useful links, system 
requirements, mods, betas, HRD, SDR-IQ.It's a world of it's own!
I'm using LP-PAN here. Yes it took me quiet a while to make it all work. The 
software locked up my PC. I had cable problems. I ended up changing PCs and 
the one I have still isn't fast enough to actually use LP-PAN as a radio. 
Too many pops and cracks but the scope is GREAT! I use it constantly.
Yea, you can set there and slowly twiddle the vfo knob across the band 
searching for signals but with the scope you soon learn that you had been 
tuning right past signals and didn't know it! All it takes is a brief pause 
in transmission and you've missed him. Just a few days ago I landed on 6 
meters and sat back and watched the scope. Soon a single blip appeared in 
the cw portion for about 5 seconds. I clicked the mouse in the general area 
and waited for about 30 seconds. Suddenly I heard CQ CQ CQ de W5VYH W5VYH K. 
I snagged him. A distance of 625 miles. The only signal on 6 meters and CW 
at that! It's the first 6 meter QSO I've had in 30 years. The band quickly 
went dead and it was over.
Tell meWhat are the odds of me working W5VYH if I had no bandscope? 
ZERO, ZILCHYou could wear out 100 finger dimples and never accomplish 
that!
Did I mention my antenna? A 200' doublet fed with ladder lineThe tuner 
in the K3 somehow found a match on 6 meters. BTW: That tuner is astounding. 
It matches things that shouldn't be matched.

Yes I hope Elecraft comes out with a better solution than this cantankerous 
hodgepodge of little black boxes, cables and weird software but until then 
I'll keep on using it.

Steve
N4LQ


n...@carolina.rr.com
- Original Message - 
From: "N1IX" 
To: 
Sent: Wednesday, July 22, 2009 1:20 AM
Subject: [Elecraft] LP PAN


>I have noticed a lot of LP Panadaapters for sale. I am wondering why.
> Do they work well? I have one but I haven't been able to get it working 
> yet.
>
> Dave N1IX
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html 

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Re: [Elecraft] [K2] KBT2 Battery

[Don Wilhelm]

Paul,

That should be fine.  The K2 itself is speced for up to 15 volts input.
If you want a refinement over the K2 display of voltage, measure the 
voltage right at the terminals of a fully charged internal battery.

If your battery was not fully charged when you cranked up the power 
supply, check the voltage over the next several days and re-adjust the 
power supply as needed.

73,
Don W3FPR

pkhjr wrote:
> I installed the battery in my K2 and adjusted the voltage up on my astron. 
> The voltage on the astron is 14.4 and the voltage on K2 meter is 13.8.  Is
> this to high or should I drop it down a little?
> Tnx Paul
>   
> 
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com 
> Version: 8.5.375 / Virus Database: 270.13.21/2252 - Release Date: 07/21/09 
> 05:58:00
>
>   
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[Elecraft] [K2] KBT2 Battery

[pkhjr]

I installed the battery in my K2 and adjusted the voltage up on my astron. 
The voltage on the astron is 14.4 and the voltage on K2 meter is 13.8.  Is
this to high or should I drop it down a little?
Tnx Paul
-- 
View this message in context: 
http://n2.nabble.com/KBT2-Battery-tp3302666p3302666.html
Sent from the [K2] mailing list archive at Nabble.com.
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[Elecraft] LP PAN

[Hector Padron]

Sooner or later Elecraft will develop a small board to put inside or maybe 
outside that taking the IF output will make it a standard NTSC format video out 
to be seen by a simple video monitor,wait and see,that will kill not only the 
old 7800 but also the new 7600 as well.
Don't forget our K3's are still a project in progress.
 
AD4C
 


"The difference between genius and stupidity is that genius has its limits".. 
-- Albert Einstein

--- On Wed, 7/22/09, Michael van Hauten  wrote:


From: Michael van Hauten 
Subject: Re: [Elecraft] LP PAN
To: "N1IX" , elecraft@mailman.qth.net
Date: Wednesday, July 22, 2009, 5:27 AM


Perhaps elecraft is developing its own  pandapter for the K3? This will 
bring the K3 in front of  IC-7800 and the SDRs

- Original Message - 
From: "N1IX" 
To: 
Sent: Wednesday, July 22, 2009 7:20 AM
Subject: [Elecraft] LP PAN


>I have noticed a lot of LP Panadaapters for sale. I am wondering why.
> Do they work well? I have one but I haven't been able to get it working 
> yet.
>
> Dave N1IX
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
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> Please help support this email list: http://www.qsl.net/donate.html 

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Re: [Elecraft] Big Coax on Dipoles

[Geoffrey Mackenzie-Kennedy]

Good morning Jim,

Thanks for your e-mail. I also use tall trees to support antenna catenarys, 
which are made from 6mm dia woven marine rope, along with marine pulleys, 
and a counterweight at one end of each catenary. The counterweight for each 
catenarys is "fused", so if another tall tree falls across a catenary or 
antenna during a storm, the catenary/ antenna will come down under the tree 
without serious damage, and the rope will still be running through the 
support pulley which makes it easy to hoist again after the fallen tree is 
removed.

At one time I used airborne coax feeders here but replaced them with open 
wire feeders, after somebody shooting pheasant on the farm filled a coax 
feeder with lead shot.

73,
Geoff
GM4ESD


On Wednesday, July 22, 2009 at 6:03 AM, Jim Brown wrote:

> I have four fan dipoles suspended at 100-120 ft between tall trees
> (redwoods), all fed with RG8 or RG11. There is no problem supporting the 
> big
> coax. The keys to success are robust mechanical construction so that you 
> can
> establish high lateral tension. If one of the objects you're suspending 
> from
> is a tree, one end needs a weight and pulley to adjust to wind conditions. 
> I
> use 6.5 gallon water jugs filled with dry sand (roughly 95 pounds), and 
> the
> trees are typically 140-220 ft apart. I use 5/16-inch dual woven poly 
> rope,
> #10 solid copper, and robust insulators. Do they sag? Sure -- at least 10 
> ft
> on the long dipoles. Does it matter? No.
>
> One of the side benefits of the big coax is that my 80/40 fans (at right
> angles) work quite well on 30M, 17M, 12M, and 6M, thanks to the lower loss
> with moderate degrees of mismatch. With relatively litte time on 6M, I've
> made nearly two dozen QSOs of more than 2,500 miles with my K3 and one of
> those dipoles.
>
> 73,
>
> Jim Brown K9YC



No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.5.392 / Virus Database: 270.13.23/2254 - Release Date: 07/22/09 
05:59:00

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[Elecraft] K3 LP-PAN, N1MM

[Robert Beard]

Hello Group,

FWIW, the K3, LP-PAN, EMU-202, SDR, N1MM, WinkeyerUSB, and Skimmer all working 
simultaneously. No problems.

(But it is a bit tricky setting up - took me about two weeks)

Rob, N6VX
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Re: [Elecraft] k3 and n1mm comm problem

[Julian, G4ILO]

Try getting an adapter with an FTDI chipset. I can't guarantee that it will
solve the problem, but it did solve all the problems I have experienced with
Prolific chipset adapters, and one distributor of USB devices states that
the FTDI adapters are more reliable than the Prolific adapters.

-
Julian, G4ILO. K2 #392  K3 #222.
* G4ILO's Shack - http://www.g4ilo.com
* KComm - http://www.g4ilo.com/kcomm.html
* KTune - http://www.g4ilo.com/ktune.html

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