Re: [Elecraft] K3 loss of rx signal

[donovanf]

BNC connectors rate high for convenience and low for performance, 
especially leakage performance. 


BNC connector leakage typicallymeasures in the range from -25 to 
-50 dB vs -60 to -90 dB for N connectors. Any BNC connector 
that does not fit snugly should replaced and discarded 


73 
Frank 
W3LPL 




- Original Message -

From: "Ron D'Eau Claire"  
To: "Edward R Cole" , "Elecraft Reflector" 
 
Sent: Tuesday, April 4, 2017 2:12:03 AM 
Subject: Re: [Elecraft] K3 loss of rx signal 

Note that BNC connectors can easily handle a kW of RF power unless there is 
a high SWR on the line. They are rated for 500V. 

73 Ron AC7AC 

-Original Message- 
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Edward 
R Cole 
Sent: Monday, April 3, 2017 6:24 PM 
To: Elecraft Reflector 
Subject: Re: [Elecraft] K3 loss of rx signal 

Simple - use something better than PL-259's: 

I mainly use N connectors for low loss/high power and BNC for low power 
inside the shack connections. I also have TNC and sma connectors. 

Most connectors need a 1/4 turn beyond finger tight for reliable 
connections. Sure cure for loose connectors is heat shrink over them. Not 
only seals from wx but also loosening due to vibration. 

Want to see what vibration does? Install a radio in a D8 cat without some 
kind of vibration damping. I did long ago, and the Motorola 100w VHF radio 
was a cabinet full of loose parts after 8-hours running of the cat. Wonder 
why military radios are full of glyptol, or completely potted in plastic? 

73, Ed - KL7UW 
http://www.kl7uw.com 
Dubus-NA Business mail: 
dubus...@gmail.com 

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[Elecraft] Amber display for the K2?

[Harry Yingst via Elecraft]

I saw a picture wher somone had an amber display on their K2.
I would assume it's just a matter of changing out the led backlight.
So the question is where can I get an Amber backlight panel?Or do I just make 
my own?
Thank you
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Re: [Elecraft] Mounting a KX3+PX3 ?

[KD6QZX]

Go to gemproducts.com I have mounts for just this need!   73 Scott AK6Q
 

On Thursday, March 30, 2017 11:52 AM, Colin VE3MSC [via Elecraft] 
 wrote:
 

  Any recommendations on how to mount a KX3+PX3 ?  I want to try it out with
my microwave setup, and would like to mount them on flat board or aluminum
base, and was wondering what people have done for mounting brackets?

Thanks in advance and 73,

Colin VE3MSC

 

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To unsubscribe from Elecraft, click here.
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K3 #348 KX3 #2499
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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[Harry Yingst via Elecraft]

I prefer a single paddle, but I first learned with a bug (I'm 53)
My son prefers dual paddles, but that's what he learned with (he's 29)
 




 Original message 
From: Bob Nielsen  
Date: 2017-04-03  11:45 PM  (GMT-05:00) 
To: elecraft@mailman.qth.net 
Subject: Re: [Elecraft] Opinion of the KXPD3 for kx3? 

It must be an age-related thing.  I'm 78 and seem to do better with a 
single lever paddle, my preferred models being the Kent and the Palm 
Single.  I have a Begali Adventure Mono for my KX2 which is OK but the 
adjustments are quite critical.

73, Bob N7XY


On 4/3/17 4:28 PM, Fred Jensen wrote:
> I tried it once.  I don't know what the changes were from the early 
> ones, I think this one had the new springs or whatever.  I found it 
> hard, my KXPD1 on my KX1 was much better.
>
> That said, I'm 76, injuries to my hands 50 years ago and arthritis 
> now, I began to find my Hexkey hard.  The paddle pieces are small and 
> like Jim, without a solid rest for the radio and my arm, I pretty much 
> sent Klingon.
>
> 73,
>
> Fred ("Skip") K6DGW
> Sparks NV USA
> Washoe County DM09dn
>
> On 4/3/2017 4:08 PM, Jim Brown wrote:
>> On Mon,4/3/2017 1:08 PM, Eddy Avila wrote:
>>> With that said, what's the opinion of the KXPD3 key?
>>
>> I've tried to use one that my neighbor bought for his KX3. IMO, its 
>> only virtue is its small size. I found that I could only use it if I 
>> could somehow set the KX3 on a surface so that I could rest my wrist 
>> on something, and even then, I found it difficult. OTOH, at age 75 
>> and bored with ragchewing, my fist which used to be good is no longer.
>>
>> 73, Jim K9YC
>
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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[Bob Nielsen]

It must be an age-related thing.  I'm 78 and seem to do better with a 
single lever paddle, my preferred models being the Kent and the Palm 
Single.  I have a Begali Adventure Mono for my KX2 which is OK but the 
adjustments are quite critical.


73, Bob N7XY


On 4/3/17 4:28 PM, Fred Jensen wrote:
I tried it once.  I don't know what the changes were from the early 
ones, I think this one had the new springs or whatever.  I found it 
hard, my KXPD1 on my KX1 was much better.


That said, I'm 76, injuries to my hands 50 years ago and arthritis 
now, I began to find my Hexkey hard.  The paddle pieces are small and 
like Jim, without a solid rest for the radio and my arm, I pretty much 
sent Klingon.


73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn

On 4/3/2017 4:08 PM, Jim Brown wrote:

On Mon,4/3/2017 1:08 PM, Eddy Avila wrote:

With that said, what's the opinion of the KXPD3 key?


I've tried to use one that my neighbor bought for his KX3. IMO, its 
only virtue is its small size. I found that I could only use it if I 
could somehow set the KX3 on a surface so that I could rest my wrist 
on something, and even then, I found it difficult. OTOH, at age 75 
and bored with ragchewing, my fist which used to be good is no longer.


73, Jim K9YC


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Re: [Elecraft] extra items FS

[Phil Theis]

Everything sold

Thank you,

73, Phil K3TUF


On 4/3/2017 7:40 PM, Phil Theis wrote:

I have a few extra items sitting around and available for sale

K3EXREF $60 shipped to 48

KXUSB $20 shipped to 48

PR6-10 $100 shipped to 48

Thanks,

73, Phil K3TUF



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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[John Sager via Elecraft]

 blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px 
#715FFA solid !important; padding-left:1ex !important; background-color:white 
!important; } I had lots of grief with my original KXPD3 from 2012 (dropped 
dits, intermittent connectors, etc) and recently took advantage of Elecraft's 
exchange program and got the new KXPD3 with the wired connectors and it is like 
night and day. The new wired KXPD3 is more stable and accurate at all speeds. 
It cost $95 plus shipping to do the exchange, but I figure it saved me a couple 
of hundred $ over the Italian alternative. Plus, I really like the size and 
form factor of the KXPD3.  I have never tried the Palm paddles but I love the 
new version of the KXPD3 paddle. When portable, I typically hold the KX3 in my 
left hand and send with my right hand. Feels natural to me. 
Just my $0.02. John W7SAG 


Sent from Yahoo Mail for iPhone


On Monday, April 3, 2017, 2:13 PM, Eddy Avila  wrote:

Me again...I'm not a hotshot CW op..16 ~ 20 wpm if I'm lucky, (you 
know, going downhill with the wind behind ya). With that said, what's the 
opinion of the KXPD3 key? The only review on eHam was not good.


Seems lot'sa CW ops like the Palm Pico key.


tnx and 73


ed ~ k6sdw
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Re: [Elecraft] 2m module for kx3

[Don Wilhelm]

Follow the instructions exactly as written.
There is not much space inside the KX3, so there is no room for 
"creativity".  Make certain what you are doing matches the diagrams and 
photos.


If you do no understand the instructions (or even think you do not 
understand), ask questions here on the reflector or of K3support.


73,
Don W3FPR

On 4/3/2017 10:40 PM, HK4ADJ wrote:

Hello all,
I just got a module for adding the 2m band to the KX3 and, even though the
documentation is quite verbose, I will appreciate any tip, advice or
special consideration I should take into account from the experienced
members of this community that have done such an installation before.
Thanks in advance,

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[Elecraft] 2m module for kx3

[HK4ADJ]

Hello all,
I just got a module for adding the 2m band to the KX3 and, even though the
documentation is quite verbose, I will appreciate any tip, advice or
special consideration I should take into account from the experienced
members of this community that have done such an installation before.
Thanks in advance,
HK4ADJ
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Re: [Elecraft] K3 loss of rx signal

[Bill Frantz]

When I was plugging and unplugging stubs and traps chasing the 
broadcast interference problem and testing mitigations, it got a 
lot easier when I add a bunch of adapters to make the process 
attaching a BNC instead of a UHF. UHF connectors seem easier to 
fit onto 1/2 inch coax though.


73 Bill AE6JV

On 4/3/17 at 7:18 PM, wun...@wunderwood.org (Walter Underwood) wrote:

According to Amphenol, UHF connectors have the same rating as 
BNC, 500V. Type N connectors can handle 1500V.


I use BNC and N connectors wherever possible.


---
Bill Frantz| Re: Computer reliability, performance, and security:
408-356-8506   | The guy who *is* wearing a parachute is 
*not* the

www.pwpconsult.com | first to reach the ground.  - Terence Kelly

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Re: [Elecraft] K3 loss of rx signal

[Walter Underwood]

According to Amphenol, UHF connectors have the same rating as BNC, 500V. Type N 
connectors can handle 1500V.

I use BNC and N connectors wherever possible.

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

> On Apr 3, 2017, at 7:12 PM, Ron D'Eau Claire  wrote:
> 
> Note that BNC connectors can easily handle a kW of RF power unless there is
> a high SWR on the line. They are rated for 500V. 
> 
> 73 Ron AC7AC
> 
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Edward
> R Cole
> Sent: Monday, April 3, 2017 6:24 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 loss of rx signal
> 
> Simple - use something better than PL-259's:
> 
> I mainly use N connectors for low loss/high power and BNC for low power
> inside the shack connections.  I also have TNC and sma connectors.
> 
> Most connectors need a 1/4 turn beyond finger tight for reliable
> connections.  Sure cure for loose connectors is heat shrink over them.  Not
> only seals from wx but also loosening due to vibration.
> 
> Want to see what vibration does?  Install a radio in a D8 cat without some
> kind of vibration damping.  I did long ago, and the Motorola 100w VHF radio
> was a cabinet full of loose parts after 8-hours running of the cat.  Wonder
> why military radios are full of glyptol, or completely potted in plastic?
> 
> 73, Ed - KL7UW
>   http://www.kl7uw.com
> Dubus-NA Business mail:
>   dubus...@gmail.com 
> 
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Re: [Elecraft] K3 loss of rx signal

[Ron D'Eau Claire]

Note that BNC connectors can easily handle a kW of RF power unless there is
a high SWR on the line. They are rated for 500V. 

73 Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Edward
R Cole
Sent: Monday, April 3, 2017 6:24 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] K3 loss of rx signal

Simple - use something better than PL-259's:

I mainly use N connectors for low loss/high power and BNC for low power
inside the shack connections.  I also have TNC and sma connectors.

Most connectors need a 1/4 turn beyond finger tight for reliable
connections.  Sure cure for loose connectors is heat shrink over them.  Not
only seals from wx but also loosening due to vibration.

Want to see what vibration does?  Install a radio in a D8 cat without some
kind of vibration damping.  I did long ago, and the Motorola 100w VHF radio
was a cabinet full of loose parts after 8-hours running of the cat.  Wonder
why military radios are full of glyptol, or completely potted in plastic?

73, Ed - KL7UW
   http://www.kl7uw.com
Dubus-NA Business mail:
   dubus...@gmail.com 

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Re: [Elecraft] K3 loss of rx signal

[Matthew Cook]

Ok.. My K3 has done something similar recently.

When you suspect that the RX has gone dead, try holding the Tune button and
force the radio to transmit a CW carrier.  I suspect you'll find that you
will get no output power aswell...  In this case the problem is with the
local oscillator and you won't see any error codes on the display either.

In my case I'd run into trouble with low out of from the KREF3 reference
oscillator which was fixed with a resistor change as per these instructions
(
http://www.elecraft.com/manual/E740278%20KREF3%20Output%20Level%20Modification.pdf).
  From memory the green LED on the top of the KSYN3A I'd installed would
not light when it decided it didn't like the look of the reference
oscillator, hence no LO would be generated and the symptoms were similar to
the ones you described.

It was intermittent and could be solved by power cycling the radio a few
times, I could have sworn the odd "calibrated bump" would restore operation
as well  but I'm not so sure.

Otherwise I'd be cleaning all of the TMP connectors with something like
deoxit and making sure all of the LO and Reference oscillator connections
are right.

I certainly hope that you find the gremlin in your radio.

73

Matthew
VK5ZM

On 3 April 2017 at 18:11, LA7NO  wrote:

> Hello group,
>
> I have several times experienced that the K3 receiver goes 100% dead. Same
> as if no antenna was connected.
> A smart bump on the K3 brings it back to normal.
>
> I suspect a relay. The question is which one?
> Suggestion anyone?
>
> 73,
>
> Per-Tore / LA7NO
>
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.
> nabble.com/K3-loss-of-rx-signal-tp7628912.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3(s) Beta Firmware

[Wayne Burdick]

Still working on a couple of difficult-to-reproduce bugs.

Wayne
N6KR


> On Apr 3, 2017, at 11:55 AM, Mike Harris  wrote:
> 
> Wondering when the next K3(s) Beta firmware mentioned a couple of weeks ago 
> will be released.
> 
> Regards,
> 
> Mike VP8NO
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Re: [Elecraft] K3 loss of rx signal

[Edward R Cole]

Simple - use something better than PL-259's:

I mainly use N connectors for low loss/high power and BNC for low 
power inside the shack connections.  I also have TNC and sma connectors.


Most connectors need a 1/4 turn beyond finger tight for reliable 
connections.  Sure cure for loose connectors is heat shrink over 
them.  Not only seals from wx but also loosening due to vibration.


Want to see what vibration does?  Install a radio in a D8 cat without 
some kind of vibration damping.  I did long ago, and the Motorola 
100w VHF radio was a cabinet full of loose parts after 8-hours 
running of the cat.  Wonder why military radios are full of glyptol, 
or completely potted in plastic?


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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Re: [Elecraft] [OT] Re: reply to digest

[Bill Johnson]

Please change your subject to match your topic.  Digest replies make it 
difficult to cull out what we don't want to follow.

Thank you very much!

73,
Bill
K9YEQ

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lynn W. 
Taylor, WB6UUT
Sent: Monday, April 3, 2017 11:40 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] [OT] Re: reply to digest

This is the only thing that matters, folks.

It doesn't matter if you think web mail is the best thing since sliced bread, 
or if you use some free service (I distrust Google).

It isn't that hard to trim the irrelevant parts.  This is true if you use the 
digest (nice if you fix the subject too) or if there are many replies that can 
be trimmed.

It's just courtesy.

73 -- Lynn

On 4/3/2017 9:17 AM, Rick WA6NHC wrote:
> BUT: regardless of which method(s) you choose, PLEASE trim your 
> response to the least amount of cruft.
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Re: [Elecraft] [OT] Re: reply to digest

[Edward R Cole]

I get the Elecraft Reflector as digest.  I subscribe to probably 
15-20 reflectors so the digest keeps all Elecraft e-mail in one place 
and not spread thru my in basket.  So I just answered this topic from 
digest vol. 156 issue 6.


So simple:  Either I copy - paste the subject line if I am not 
replying to a particular e-mail or I copy - paste the text I am 
replying to, including the header which has the subject line.  In 
that case I copy - paste the subject afterward.


I use a oldie but goodie (for me) client (Eudora-Pro).  I started out 
on-line in 1996 with Eudora-Lite and upgraded, later.  My Isp is my 
email provider.


Simple.  Yes, it requires more than clicking reply.  Probably took me 
3-seconds.


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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[Elecraft] P3 Display "flashing"

[Bill Wiehe via Elecraft]

Over the course of the last several weeks my P3 Display has developed an 
annoying white "flashing or blinking" in the lower half of the display. To be 
more accurate, it is in the lower portion of the receive signal display. That 
is if I have "labels" enabled, it does not flash/blink in that portion of the 
display. It also only flashes/blinks on the P3 screen, not the monitor that 
also displays the receive signal via the P3VGA module. It slows considerable 
after about 30 minutes or so but never completely stops which suggests a 
thermal issue. Also note I have the P3TXMON accessory in place. I have checked 
all the connections and reset the firmware.Any feedback would be 
appreciated.Bill - W0BBI
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[Elecraft] extra items FS

[Phil Theis]

I have a few extra items sitting around and available for sale

K3EXREF $60 shipped to 48

KXUSB $20 shipped to 48

PR6-10 $100 shipped to 48

Thanks,

73, Phil K3TUF

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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[Fred Jensen]

I tried it once.  I don't know what the changes were from the early 
ones, I think this one had the new springs or whatever.  I found it 
hard, my KXPD1 on my KX1 was much better.


That said, I'm 76, injuries to my hands 50 years ago and arthritis now, 
I began to find my Hexkey hard.  The paddle pieces are small and like 
Jim, without a solid rest for the radio and my arm, I pretty much sent 
Klingon.


73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn

On 4/3/2017 4:08 PM, Jim Brown wrote:

On Mon,4/3/2017 1:08 PM, Eddy Avila wrote:

With that said, what's the opinion of the KXPD3 key?


I've tried to use one that my neighbor bought for his KX3. IMO, its 
only virtue is its small size. I found that I could only use it if I 
could somehow set the KX3 on a surface so that I could rest my wrist 
on something, and even then, I found it difficult. OTOH, at age 75 and 
bored with ragchewing, my fist which used to be good is no longer.


73, Jim K9YC


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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[Jim Brown]

On Mon,4/3/2017 1:08 PM, Eddy Avila wrote:

With that said, what's the opinion of the KXPD3 key?


I've tried to use one that my neighbor bought for his KX3. IMO, its only 
virtue is its small size. I found that I could only use it if I could 
somehow set the KX3 on a surface so that I could rest my wrist on 
something, and even then, I found it difficult. OTOH, at age 75 and 
bored with ragchewing, my fist which used to be good is no longer.


73, Jim K9YC

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Re: [Elecraft] K3(s) Beta Firmware

[Wes Stewart]

Never I would guess.

On 4/3/2017 11:55 AM, Mike Harris wrote:
Wondering when the next K3(s) Beta firmware mentioned a couple of weeks ago 
will be released.


Regards,

Mike VP8NO
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Re: [Elecraft] Future KX3/KX2 accessories?

[Wes Stewart]

If they ran a decent antenna they wouldn't need that power.  Interesting project 
though.


Here's a couple of amps I built years ago. http://sadxa.org/n7ws.html

On 4/3/2017 6:03 AM, Dave B via Elecraft wrote:

On 02/04/17 01:03,elecraft-requ...@mailman.qth.net  wrote:
For real 2m kW:http://www.kl7uw.com/2m-8877.htm  

Doesn’t even come close...

http://www.qsl.net/yu1aw/Misc/qro%20pa%20gu36b-1.pdf

QRO PA 144 MHz 20kW GU36B-1 v2


Dave G0WBX.
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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[Walter Underwood]

I guess a few happy users should post reviews to eham.net. The single review is 
from 2014.

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

> On Apr 3, 2017, at 2:04 PM, KENT TRIMBLE  wrote:
> 
> I personally think the KXPD3 is excellent once the right spring is installed.
> 
> It ships with 3 different springs and you just have to try each until you 
> determine which is best for you.
> 
> I am also of the belief that a good  CW operator can send perfect code with 
> nearly any kind of paddle.  Ninety-nine percent of faulty sending is due to 
> the sender, and ninety-nine percent of that ninety-nine percent is due to 
> improper spacing.
> 
> 73,
> 
> Kent  K9ZTV
> 
> 
> 
> On 4/3/2017 3:08 PM, Eddy Avila wrote:
>> What's the opinion of the KXPD3 key? The only review on eHam was not good.
>> 
>> 
>> 
> 
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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[KENT TRIMBLE]

I personally think the KXPD3 is excellent once the right spring is 
installed.


It ships with 3 different springs and you just have to try each until 
you determine which is best for you.


I am also of the belief that a good  CW operator can send perfect code 
with nearly any kind of paddle.  Ninety-nine percent of faulty sending 
is due to the sender, and ninety-nine percent of that ninety-nine 
percent is due to improper spacing.


73,

Kent  K9ZTV



On 4/3/2017 3:08 PM, Eddy Avila wrote:

What's the opinion of the KXPD3 key? The only review on eHam was not good.





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Re: [Elecraft] Opinion of the KXPD3 for kx3?

[Don Wilhelm]

Ed,

The original ones developed a problem with the bearings and the spring. 
That has long been fixed.  The bad report was likely with the older 
paddle set.


73,
Don W3FPR

On 4/3/2017 4:08 PM, Eddy Avila wrote:

Me again...I'm not a hotshot CW op..16 ~ 20 wpm if I'm lucky, (you 
know, going downhill with the wind behind ya). With that said, what's the 
opinion of the KXPD3 key? The only review on eHam was not good.


Seems lot'sa CW ops like the Palm Pico key.

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[Elecraft] Opinion of the KXPD3 for kx3?

[Eddy Avila]

Me again...I'm not a hotshot CW op..16 ~ 20 wpm if I'm lucky, (you 
know, going downhill with the wind behind ya). With that said, what's the 
opinion of the KXPD3 key? The only review on eHam was not good.


Seems lot'sa CW ops like the Palm Pico key.


tnx and 73


ed ~ k6sdw
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[Elecraft] K3(s) Beta Firmware

[Mike Harris]

Wondering when the next K3(s) Beta firmware mentioned a couple of weeks 
ago will be released.


Regards,

Mike VP8NO
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[Elecraft] Elecraft K3 For Sale

[Carl Jón Denbow]

REPOSTING UPDATED SALE LISTING:

I have many Elecraft products, including a K3s, so I find the following excess 
to my needs and, therefore, on the sale block.
Elecraft K3-100, SN: 0676, upgraded to many of features of the K3s. Contains 
filters -- KFL3A-250, KFL3A-6K, AND KFL3A-2.8K, is in good condition and fully 
functional. When I bought this rig both side panels were heavily scratched. I 
replaced the panels as well as most screws with stainless steel screws, and the 
rig is now a 9 out 10 cosmetically. Rig was back at the factory last November 
(11/17/2016 invoice date) and at that time was upgraded with KIO3B, KXV3B, and 
KSYN3A and the previously mentioned 2.8 filter. Also a number of updates were 
performed at that time so that when it left factory it was certified to "meet 
or exceed all factory specifications." [Cost of upgrades: $1,343.55.] 
In addition to the above, sold with following extra features:
KAT3A Auto Tuner
KPA100 100 watt amplifier module
KFL3A-250Hz KDVR Digital Recorder 
Additional photos available upon request.
Your Price: $2,500, shipped your CONUS QTH.

Sent from my iPhone
===
Carl Jón Denbow, N8VZ
17 Coventry Lane
Athens, Ohio 45701-3718
 
c...@n8vz.com
www.n8vz.com
EM89wh
 
IRLP 4533   Echolink 116070
 
PSK and JT65 Forever!
===

> On Mar 29, 2017, at 9:33 PM, Carl Jón Denbow  wrote:
> 
> For those who don't care to go to the QTH.com website, here's the text to my 
> ad:
> 
> Elecraft K3 100 Watt HF transceiver SN: 06xx. Contains filters -- KFL3A-250, 
> KFL3A-6K, AND KFL3A-2.8K, is in good condition and fully functional. When I 
> bought this rig, both side panels were heavily scratched. I replaced the 
> panels as well as most screws with stainless steel screws, and the rig is now 
> a 9 out 10 cosmetically, with only a few very small scratches. Rig was back 
> at the factory last November (11/17/2016 invoice date) and at that time was 
> upgraded with KIO3B, KXV3B, and KSYN3A and the previously mentioned 2.8 
> filter. Also a number of updates were performed at that time so that when it 
> left factory it was certified to "meet or exceed all factory specifications." 
> [Cost of upgrades: $1,343.55.] 
> In addition to the above, sold with following extra features:
> KAT3A Auto Tuner
> KPA100 100 watt amplifier module
> KFL3A-250Hz KDVR Digital Recorder 
> Additional photos available upon request.
> Your Price: $2,500, shipped your CONUS QTH.
> Greatly prefer PayPal for payment.
> 
> Sent from my iPhone
> ===
> Carl Jón Denbow, N8VZ
> 17 Coventry Lane
> Athens, Ohio 45701-3718
> 
> c...@n8vz.com
> www.n8vz.com
> EM89wh
> 
> IRLP 4533   Echolink 116070
> 
> PSK and JT65 Forever!
> ===
> 
>> On Mar 22, 2017, at 1:23 AM, Carl Jón Denbow  wrote:
>> 
>> Gentlemen and Ladies:  I have both a K3 and K3s, as well as a bunch of
>> other
>> Elecraft stuff.  However, I’ve decided to sell my K3.  It is an early
>> serial
>> number (676) that I bought used, but it has been back to factory a few
>> months ago for many upgrades and updates.  You can see the details here:
>> https://swap.qth.com/search-results.php?keywords=n8vz
>> 
>> =call
>> 
>> 
>> 
>> As stated in the QTH.com classified, I greatly prefer payment via PayPal.
>> Thanks for looking.
>> 
>> 
>> 
>> 73,
>> 
>> 
>> 
>> Carl
>> 
>> 
>> 
>> ==
>> Carl Jón Denbow, N8VZ
>> 17 Coventry Lane Athens, Ohio 45701-3718
>> c...@n8vz.com 
>> www.n8vz.com 
>> 
>> EM89wh
>> IRLP 4533 Echolink 116070
>> 
>> PSK and JT65 Forever!
>> ==
>> 
>> __
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Re: [Elecraft] Can Anyone re WITH MISSING LINK

[bill steffey]

for a trip to  F & OE   I had two hanks of wire and a par balun.
when we got to a highrise '3 day rental up 14 floors, I needed to get 
the long wires set off from the bldg.
The only thing I found was a broom pole...strapped to another broom 
pole  hanging out on a shutter


story " Four Pound DXpedition"  and pictures .. on page 8

http://www.wacomarc.org/newsletters/2013/WH_10_13.pdf


worked stateside ( N3TIR on a K3 another elecraft list member )  & others...

bill

.

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Re: [Elecraft] Can Anyone recommended a great QRP Antenna and Antenna Pole for KX3

[bill steffey]

for a trip to  F & OE   I had two hanks of wire and a par balun.
when we got to a highrise '3 day rental up 14 floors, I needed to get 
the long wires set off from the bldg.
The only thing I found was a broom pole...strapped to another broom 
pole  hanging out on a shutter


story " Four Pound DXpedition"  and pictures .. on page 8

worked stateside ( N3TIR on a K3 another elecraft list member )  & others...

bill

.

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Re: [Elecraft] K3 loss of rx signal

[Jim Brown]

When that happens, the connector inside the radio is either of inferior 
quality or the installation method is wrong. A PROPER chassis-mount 
female UHF connector either has four mounting screws to prevent it from 
rotating . While there are also connectors without those mounting screws 
with a square side to their circular body, they must be mounted on a 
chassis with a hole of the same shape, and the chassis must be "hard" 
enough that the connector cannot rotate. Any connector that rotates when 
pliers are used to tighten or remove a mating connector is WRONG!


73, Jim K9YC

On Mon,4/3/2017 8:50 AM, George Thornton wrote:

Exerting too much force with PL259’s can put stress on the radio SO 239 
connectors, I have had some of the internal mounts work loose over time.



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[Elecraft] New KX2 firmware with 4 programmable functions; need testers

[Wayne Burdick]

Hi all,

The latest KX2 field-test firmware provides four programmable functions, 
PF1-PF4, accessed using the PFn switch. This feature was inspired by both the 
original KX2 field testers and responses to our recent question about additions 
to the KX line.

Having four programmable functions rather than one really helps. The KX2 has 
fewer switches than the KX3, making it a bit more dependent on the menu for 
often-used functions. 

If you’d like to give this new release a try, let me know. (Which menu entries 
would you assign to PF1 through PF4?)

73,
Wayne
N6KR


* * *

KX2 MCU 2.75 / DSP 1.49, 4-3-2017

* FOUR PROGRAMMABLE FUNCTIONS:  The KX2 now has four programmable functions, 
PF1-PF4, rather than one. These can be used to quickly access often-used menu 
entries. To set up a programmable function, locate the desired menu entry, hold 
PFn, then tap any of ‘1’ through ‘4’. Exit the menu. From then on, the menu 
function can be accessed using the associated PFn switch. 

If a menu entry has only two values (such as ON/OFF), accessing it via a 
programmable function will select the alternate value, then exit the menu 
immediately. This is especially useful with menu entries such as DUAL RX, VOX 
MD, ALT MD, and ATU DATA. (ATU DATA is described in the rev. 2.73 release 
notes.)




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Re: [Elecraft] K3 loss of rx signal

[Nr4c]

There's a difference in snug and tight. 

Sent from my iPhone
...nr4c. bill


> On Apr 3, 2017, at 10:19 AM, Phil Hystad  wrote:
> 
> 
>> On Apr 3, 2017, at 5:25 AM, Nr4c  wrote:
>> 
>> Don't overlook the obvious.  Check to make sure the connectors are all very 
>> tight. "Hand snug" is not good enough!
>> 
>> Sent from my iPad
>> ...bc nr4c
> 
> What do you mean “Hand Snug” is not good enough?  I don’t remember any 
> connectors in the K3 that required a wrench to tighten nor do I ever use any 
> wrenches or even screwdrivers on any of the connectors outside the box (Coax, 
> RS232 serial, etc.).
> 
> Curious in Rainy Kirkland (nr Seattle)…
> 
> 73, phil, K7PEH
> 

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Re: [Elecraft] [OT] Re: reply to digest

[Lynn W. Taylor, WB6UUT]

This is the only thing that matters, folks.

It doesn't matter if you think web mail is the best thing since sliced 
bread, or if you use some free service (I distrust Google).


It isn't that hard to trim the irrelevant parts.  This is true if you 
use the digest (nice if you fix the subject too) or if there are many 
replies that can be trimmed.


It's just courtesy.

73 -- Lynn

On 4/3/2017 9:17 AM, Rick WA6NHC wrote:

BUT: regardless of which method(s) you choose, PLEASE trim your response
to the least amount of cruft.

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Re: [Elecraft] [OT] Re: reply to digest

[Rick WA6NHC]

There are other options since you abhor Thunderbird.  In your case, 
downloading email over night when the park wifi demand is low is an 
option.  Using alternate networks (phone/tablet) is another option.


ALL my email accounts are IMAP, so all my devices are sync'ed upon 
network connection.  This includes GMAIL, which has the best spam 
filtering I've seen.  I do not care for web interfaces as a general 
rule, I prefer an email client.


I use my phone/tablet for email extensively when traveling so the laptop 
is only needed when there is sufficient bandwidth to sync it.  I can 
also (since it's stored locally) catch up on email, offline, also handy 
when traveling.


One can filter/sort according to TO: address, topic and similar so mass 
deletions are simple.  I find the digest format to be more tedious but 
each to their own.  It's not worth extensive discussion here (Ford!  
Dodge! Chevy! BMW! Microsloth!).


BUT: regardless of which method(s) you choose, PLEASE trim your response 
to the least amount of cruft.  It's polite, it's faster to read and for 
those that still have data caps (VERY common in many areas), it matters.


73,

Rick wa6nhc


On 4/3/2017 8:47 AM, Guy Olinger K2AV wrote:

Not everyone wants to use Thunderbird and keep their email on their
local PC. Not everybody is Mozilla enamoured.

Finally weaned my wife off Thunderbird and moved to Gmail, and she now
does her admittedly simple email stuff on her smartphone with Gmail's
app. No more dragging the laptop along on trips and trying to get
connectivity on the RV park's overloaded wireless connection.



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Re: [Elecraft] K3 loss of rx signal

[Charlie T, K3ICH]

I would have thought the center pin would be smaller for higher Z connections 
(???).

Look at the size of the center conductor in a piece of RG-59/U.

Although, as usual I may have that completely wrong.

73, Charlie k3ICH





-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of 
danny.higg...@keme.co.uk
Sent: Monday, April 03, 2017 8:43 AM
To: Guy Olinger K2AV ; LA7NO ; 
elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 loss of rx signal

I had a similar frustrating problem with a BNC patch lead. I bought some cheap 
leads at a rally and I didn’t notice that the plugs were 75 Ohms. The leads 
worked OK, but the centre pin was thicker than the 50 Ohm version and it 
splayed out the centre connector of the socket, so when I plugged a 50 Ohm 
patch cable back in, the centre pin did not make contact any more. It took me a 
long time to find the cause, and now all the 75 Ohm leads are in the bin.

73,

Danny, G3XVR



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Re: [Elecraft] K3 loss of rx signal

[George Thornton]

Exerting too much force with PL259’s can put stress on the radio SO 239 
connectors, I have had some of the internal mounts work loose over time.

Top quality Amphenol connectors are more precisely machined, fit better and are 
much easier to work with.  I don’t get failures with these and hand tightening 
seems to be sufficient in most situations.

From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Guy 
Olinger K2AV
Sent: Monday, April 3, 2017 8:04 AM
To: Phil Hystad 
Cc: Elecraft Reflector 
Subject: Re: [Elecraft] K3 loss of rx signal

On Mon, Apr 3, 2017 at 10:19 AM, Phil Hystad 
 wrote:
> What do you mean “Hand Snug” is not good enough?

Lordee, I've seen, done, and heard of these things so many times...

PL259 the worst offender, with BNC close second. Mini-coax TMP in a
class by itself.

On the PL259, if the teeth around the edge of the mating shell aren't
aligned to move down into the teeth of the SO239, you can "tighten"
the PL259 to what seems tight, but a temperature change or a jiggle
will let the teeth align. The connector is now loose. A variety of
"false snugs" can occur with PL259, barrel, SO239 that have been
outdoors and gotten stuff in threads.

BNC's, if not inserted straight on, can seem snug, but not go down all
the way. Then the twist shell can go a distance and won't seem to want
to go any farther. It's very easy to not have enough finger strength
to twist the shell enough to go all the way down.

Mini-coax TMP connectors are bad because if the center pin does not
match inside the socket it won't go down and cause an infamous
intermittent that many have experienced. The flares on the male TMP
have to go down until they are prevented from further insertion by the
socket.

73, Guy K2AV
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gthorn...@thorntonmostullaw.com


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Re: [Elecraft] [OT] Re: reply to digest

[Guy Olinger K2AV]

Not everyone wants to use Thunderbird and keep their email on their
local PC. Not everybody is Mozilla enamoured.

Finally weaned my wife off Thunderbird and moved to Gmail, and she now
does her admittedly simple email stuff on her smartphone with Gmail's
app. No more dragging the laptop along on trips and trying to get
connectivity on the RV park's overloaded wireless connection.

> Speak for yourselves, but this was easily (and cleanly) replied to from
> the daily digest, by using Thunderbird's "Reply List" button.
>
> Not everyone wants dozens of separate emails...
>
> 73
>
> Dave G0WBX.
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Re: [Elecraft] K3 loss of rx signal

[Guy Olinger K2AV]

Outdoors, PL259 tightened by hand in cool/cold weather will come loose
in warm weather. This is particularly vexing when the connection is up
on a tower out on a boom to a balun on the driven element.

Pliers plus maxi-sealing against the weather is the rule for these.

The teeth can be misaligned with stiff coax where you have to twist
the coax a bit to get the teeth.

Then there are the female UHF connections where there are only FOUR
notches on the female connection for the two teeth on the male
connector. That's very easy to get wrong.

73, Guy K2AV

On Mon, Apr 3, 2017 at 10:58 AM, Phil Hystad  wrote:
> Don,
>
> In my experience, PL-259s do not get tightened properly when the little teeth 
> on the end do not engage properly.  So, when I tighten PL-259s, I make sure 
> that the teeth fit in together properly and this always gives a snug fit.  
> Note: I am not sure if these are called teeth or not.
>
> In almost 60 years of dealing with PL-259s the only time I needed pliers was 
> to undo the PL-259 connector that I had on my truck that had sealant on it 
> (it was very much in the weather) and stuck besides.
>
> Then again, I don’t ever remember having any loose connection problems with 
> PL-259s either.
>
> 73, phil, K7PEH
>
>
>> On Apr 3, 2017, at 7:42 AM, Don Wilhelm  wrote:
>>
>> Phil,
>>
>> PL-259s depend on tightness to make a good connection to the shield.
>> This is an often overlooked cause of problems.
>> After hand tightening, snug them up just a bit more with pliers if you want 
>> them to be reliable.
>>
>> 73,
>> Don W3FPR
>>
>> On 4/3/2017 10:19 AM, Phil Hystad wrote:
>>>
 On Apr 3, 2017, at 5:25 AM, Nr4c  wrote:

 Don't overlook the obvious.  Check to make sure the connectors are all 
 very tight. "Hand snug" is not good enough!

 Sent from my iPad
 ...bc nr4c
>>>
>>> What do you mean “Hand Snug” is not good enough?
>
> __
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Re: [Elecraft] K3 loss of rx signal

[Guy Olinger K2AV]

On Mon, Apr 3, 2017 at 10:19 AM, Phil Hystad  wrote:
> What do you mean “Hand Snug” is not good enough?

Lordee, I've seen, done, and heard of these things so many times...

PL259 the worst offender, with BNC close second. Mini-coax TMP in a
class by itself.

On the PL259, if the teeth around the edge of the mating shell aren't
aligned to move down into the teeth of the SO239, you can "tighten"
the PL259 to what seems tight, but a temperature change or a jiggle
will let the teeth align. The connector is now loose.  A variety of
"false snugs" can occur with PL259, barrel, SO239 that have been
outdoors and gotten stuff in threads.

BNC's, if not inserted straight on, can seem snug, but not go down all
the way. Then the twist shell can go a distance and won't seem to want
to go any farther. It's very easy to not have enough finger strength
to twist the shell enough to go all the way down.

Mini-coax TMP connectors are bad because if the center pin does not
match inside the socket it won't go down and cause an infamous
intermittent that many have experienced. The flares on the male TMP
have to go down until they are prevented from further insertion by the
socket.

73, Guy K2AV
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Re: [Elecraft] K3 loss of rx signal

[Phil Hystad]

Don,

In my experience, PL-259s do not get tightened properly when the little teeth 
on the end do not engage properly.  So, when I tighten PL-259s, I make sure 
that the teeth fit in together properly and this always gives a snug fit.  
Note: I am not sure if these are called teeth or not.

In almost 60 years of dealing with PL-259s the only time I needed pliers was to 
undo the PL-259 connector that I had on my truck that had sealant on it (it was 
very much in the weather) and stuck besides.

Then again, I don’t ever remember having any loose connection problems with 
PL-259s either.  

73, phil, K7PEH


> On Apr 3, 2017, at 7:42 AM, Don Wilhelm  wrote:
> 
> Phil,
> 
> PL-259s depend on tightness to make a good connection to the shield.
> This is an often overlooked cause of problems.
> After hand tightening, snug them up just a bit more with pliers if you want 
> them to be reliable.
> 
> 73,
> Don W3FPR
> 
> On 4/3/2017 10:19 AM, Phil Hystad wrote:
>> 
>>> On Apr 3, 2017, at 5:25 AM, Nr4c  wrote:
>>> 
>>> Don't overlook the obvious.  Check to make sure the connectors are all very 
>>> tight. "Hand snug" is not good enough!
>>> 
>>> Sent from my iPad
>>> ...bc nr4c
>> 
>> What do you mean “Hand Snug” is not good enough?

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Re: [Elecraft] K3 loss of rx signal

[Don Wilhelm]

Phil,

PL-259s depend on tightness to make a good connection to the shield.
This is an often overlooked cause of problems.
After hand tightening, snug them up just a bit more with pliers if you 
want them to be reliable.


73,
Don W3FPR

On 4/3/2017 10:19 AM, Phil Hystad wrote:



On Apr 3, 2017, at 5:25 AM, Nr4c  wrote:

Don't overlook the obvious.  Check to make sure the connectors are all very tight. 
"Hand snug" is not good enough!

Sent from my iPad
...bc nr4c


What do you mean “Hand Snug” is not good enough?

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Re: [Elecraft] K3 loss of rx signal

[kg9hfr...@gmail.com]

You may want to tap individual connectors carefully so “just one gets tapped”.
Frank KG9H

> On Apr 3, 2017, at 9:26 AM, LA7NO  wrote:
> 
> Thanks for the suggestions. You are of course right.
> 
> The antenna connector is good, so I'll have to open up the K3 and check
> around here and there.
> It is quite 'full' with 2nd rx, PA and tuner, so some dismantling could be
> required to check most connections.
> 
> 
> 
> 
> 
> -
> 73,
> 
> Per-Tore / LA7NO
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-loss-of-rx-signal-tp7628912p7628922.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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Re: [Elecraft] K3 loss of rx signal

[LA7NO]

Thanks for the suggestions. You are of course right.

The antenna connector is good, so I'll have to open up the K3 and check
around here and there.
It is quite 'full' with 2nd rx, PA and tuner, so some dismantling could be
required to check most connections.





-
73,

Per-Tore / LA7NO

--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K3-loss-of-rx-signal-tp7628912p7628922.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 loss of rx signal

[Phil Hystad]

> On Apr 3, 2017, at 5:25 AM, Nr4c  wrote:
> 
> Don't overlook the obvious.  Check to make sure the connectors are all very 
> tight. "Hand snug" is not good enough!
> 
> Sent from my iPad
> ...bc nr4c

What do you mean “Hand Snug” is not good enough?  I don’t remember any 
connectors in the K3 that required a wrench to tighten nor do I ever use any 
wrenches or even screwdrivers on any of the connectors outside the box (Coax, 
RS232 serial, etc.).

Curious in Rainy Kirkland (nr Seattle)…

73, phil, K7PEH

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[Elecraft] : K3 loss of rx signal

[Paul Antos]

Had same problem … retightened mounting hardware on synthesizer board.

Paul WB2ABD

Sent from Mail for Windows 10

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Re: [Elecraft] Future KX3/KX2 accessories?

[Dave B via Elecraft]

On 02/04/17 01:03, elecraft-requ...@mailman.qth.net wrote:
> For real 2m kW: http://www.kl7uw.com/2m-8877.htm 


Doesn’t even come close...

http://www.qsl.net/yu1aw/Misc/qro%20pa%20gu36b-1.pdf

QRO PA 144 MHz 20kW GU36B-1 v2


Dave G0WBX.
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[Elecraft] [OT] Re: reply to digest

[Dave B via Elecraft]

> I agree, Jim!
>
> The digest is a pain on our collective rumps!
>
> 73!
>
> K0PP

Speak for yourselves, but this was easily (and cleanly) replied to from
the daily digest, by using Thunderbird's "Reply List" button.

Not everyone wants dozens of separate emails...

73

Dave G0WBX.
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Re: [Elecraft] K3 loss of rx signal

[danny.higgins]

I had a similar frustrating problem with a BNC patch lead. I bought some cheap 
leads at a rally and I didn’t notice that the plugs were 75 Ohms. The leads 
worked OK, but the centre pin was thicker than the 50 Ohm version and it 
splayed out the centre connector of the socket, so when I plugged a 50 Ohm 
patch cable back in, the centre pin did not make contact any more. It took me a 
long time to find the cause, and now all the 75 Ohm leads are in the bin.

73,

Danny, G3XVR

From: Guy Olinger K2AV
Sent: 03 April 2017 11:56
To: LA7NO; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 loss of rx signal

Could be a relay, however

The most common source of intermittents is cords and connectors that are
either only partially connected or have had wires stressed past breaking
but held together intermittently by insulation, or were never soldered, or
were poorly crimped in manufacture.

Banging on the K3 jiggles all the connections on the back of the K3.

Then there's RCA connectors not pushed in all the way or with too-short
pins for the socket and BNC connectors not twisted home.

RULE OUT the connections before tearing apart your K3.

Then inside there are the TMP mini coax connectors inside the K3 not seated
properly. Then pin connections to reseat several times. All these before
relays.

Relays will usually close again by repeatedly going TX RX TX RX TX RX

Don't ask me how much I tore apart before I figured it out or how close I
came to putting the K3 in the shipping box..

73, Guy K2AV


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Re: [Elecraft] Future KX3/KX2 accessories?

[Dave B via Elecraft]

> Opensource KX3Utilities (and KX2Utilities) so that people can compile it by
> themselves for x86, amd_64, arm (e.g. Raspberry), Android, MacOSX, Windows
> CE, normal Windows and so on. Qt5 plus some simple C++ is an awesome
> programming environment.
>
> Elecraft could only compile it for, e.g. Windows, but keep the source on
> Github so people can contribute if needed. But usually you don't have to
> apply any OS specific things, even the serial port is nicely abstracted
> from OS to OS.

There are already Linux versions of at least the KX3 and XG3 utilities,
they work well, but are still closed source.

Those (and similar) utilities could just as well be created as Java
applications, then they'll run anywhere there is a working JRE  (even on
a Raspberry Pi or similar.)  If the authors vehemently want to keep the
source closed.

The APRS software YAAC is such an application, and works very well on
many different platforms, serial ports included.  The most excellent
SimSmith RF design software too, is another great example of the use of
Java for cross-platform support.

Java is NOT the same as JavaScript that browsers use.   Though it can be
invoked from a browser (and that is where a lot of the trouble comes
from) you can prevent that in the Java control applet and turn off any
ability for it to be even seen as present by a browser.

73

Dave G0WBX.

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Re: [Elecraft] K3 loss of rx signal

[Nr4c]

Don't overlook the obvious.  Check to make sure the connectors are all very 
tight. "Hand snug" is not good enough!

Sent from my iPad
...bc nr4c

> On Apr 3, 2017, at 4:41 AM, LA7NO  wrote:
> 
> Hello group,
> 
> I have several times experienced that the K3 receiver goes 100% dead. Same
> as if no antenna was connected.
> A smart bump on the K3 brings it back to normal.
> 
> I suspect a relay. The question is which one?
> Suggestion anyone?
> 
> 73,
> 
> Per-Tore / LA7NO
> 
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-loss-of-rx-signal-tp7628912.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Running the K3S with a Heath SB-220

[Nr4c]

 I have a friend who is prepping an SB220 for use with his K3.   He has built 
but not installed as yet a ""Softstart" and a "Softkey" circuit.  He also 
replace a sluggish fan and some caps.  The "Softkey" is needed as I think the 
SB220 uses high negative voltage on the key line and the K3(S) won't tolerate a 
negative keying voltage.

Connections would be  a PTT cable and RF from radio to amp.  Set the drive 
power with the K3 power control, and  you won't need ALC.

Enjoy your amp and good luck!

Sent from my iPad
...bc nr4c

> On Apr 3, 2017, at 1:36 AM, Robert B. Weinstock  wrote:
> 
> Good morning. Does anyone have any experience using a K3S to drive a Heath
> SB-220 linear amplifier? This is a 40-odd year-old amplifier with two Eimac
> 3-500Z tubes. My questions are: (1) What connections need to be made
> between the K3S and the SB-220; how much drive is likely needed; and what
> would be needed to run full break-in on CW? The SB-220 does not have its
> own break-in circuitry, but there are numerous vacuum relay-based
> modifications out there.
> 
> (And yes, I do have a KPA500 that I expect to use most of the time. I just
> want to be able to switch over to the SB-220, which provides far more power
> output.)
> 
> Thanks.
> 
> 73, Bob, W3RQ
> Takoma Park, Maryland
> K3, P3, KPA500, KAT500
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Re: [Elecraft] K3 loss of rx signal

[Guy Olinger K2AV]

Could be a relay, however

The most common source of intermittents is cords and connectors that are
either only partially connected or have had wires stressed past breaking
but held together intermittently by insulation, or were never soldered, or
were poorly crimped in manufacture.

Banging on the K3 jiggles all the connections on the back of the K3.

Then there's RCA connectors not pushed in all the way or with too-short
pins for the socket and BNC connectors not twisted home.

RULE OUT the connections before tearing apart your K3.

Then inside there are the TMP mini coax connectors inside the K3 not seated
properly. Then pin connections to reseat several times. All these before
relays.

Relays will usually close again by repeatedly going TX RX TX RX TX RX

Don't ask me how much I tore apart before I figured it out or how close I
came to putting the K3 in the shipping box..

73, Guy K2AV

On Mon, Apr 3, 2017 at 4:43 AM LA7NO  wrote:

> Hello group,
>
> I have several times experienced that the K3 receiver goes 100% dead. Same
> as if no antenna was connected.
> A smart bump on the K3 brings it back to normal.
>
> I suspect a relay. The question is which one?
> Suggestion anyone?
>
> 73,
>
> Per-Tore / LA7NO
>
>
>
>
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/K3-loss-of-rx-signal-tp7628912.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] K3 loss of rx signal

[LA7NO]

Hello group,

I have several times experienced that the K3 receiver goes 100% dead. Same
as if no antenna was connected.
A smart bump on the K3 brings it back to normal.

I suspect a relay. The question is which one?
Suggestion anyone?

73,

Per-Tore / LA7NO




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Re: [Elecraft] Can Anyone recommended a great QRP Antenna and Antenna Pole for KX3

[Doug Turnbull]

Dear OMs and YLs,
 The problem with poles is that even at four feet they are cumbersome to
take on planes.They also are obtrusive when installed.   The AlexLoop or
magnetic loop antenna on the other hand does not even require a pole and is
unobtrusive.   It can be used inside a frame or brick building though is not
so good in a steel structure though if close to a big window might do some
good and certainly is happy on a balcony.  If you have a roof garden that is
nice for operating outside your room.  For travel the AlexLoop is very hard
to beat.

  Now if staying with my brother I look for my end fed dipole and run it
about twelve to fifteen feet above ground and yes it will outperform the
AlexLoop.   Still you will make QSOs and plenty of them with the AlexLoop
running 5 Watts and using CW.   I can not testify as to effectiveness with
SSB.

  If you want a short four foot long pole for the AlexLoop and this is
not necessary then use a broom stick possibly whittled down at one end.
You can also take some fibreglass tube cut it into three sixteen foot length
and use two wooden dowels to join the three sections.   The dowels are
whittled down for a nice snug fit.

   When operating from a hotel it is best to be unobtrusive. That is for
certain.   It is all good fun.

  73 Doug EI2CN

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of rich
hurd WC3T
Sent: 02 April 2017 23:42
To: Michael Aust; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Can Anyone recommended a great QRP Antenna and
Antenna Pole for KX3

A Shakespeare WonderPole. 20' extended,
collapses to 4'.

$21 at Walmart.


On Sun, Apr 2, 2017 at 4:25 PM Michael Aust  wrote:

> Can Anyone recommended a great QRP Antenna for KX3
>
>
> Going to Hawaii with KX3 from high rise Hotels and some Sandy Beaches
> that is lightweight, easy to deploy, carry on Airlines or packed into
> luggage.
>
>
> Any Portable Poles to recommend for End Fed Antenna's
>
>
> My MFJ-1920 pole is 3.8ft when collapsed and extends to 33 feet
> but when Island Hopping, 3.8ft does not qualify as a Carry On due to it's
> length
> So hit with extra baggage fee's
>
>
> Maybe a Fishing pole that is on sections that not as long, when collapsed
> would be the Answer, some 14ft to 17 feet Crappie Fishing poles only
> breakdown to 46inches to 48inches, about the collapsed length of my
> MFJ-1910 fiberglass telescopic mast
>
>
> Mike
>
> WB6DJI
>
>
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-- 
73 (or 72 for the QRP folks),
Rich Hurd / WC3T
Northampton County RACES
EPA-ARRL Public Information Officer for Scouting
Latitude: 40.761621 Longitude: -75.288988  Grid: *FN20is*
40°45.68' N 75°17.33' W
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Re: [Elecraft] For Sale

[Petr, OK1RP/M0SIS]

Hello Sid,

I know that You mentioned the CONUS only for selling your KPA500 but I am
trying to ask if there is chance to ship to Czech Republic please? PayPal is
ok for me. Confirmed address on PayPal, You can ship using my own shipping
customer number of DHL so you should not have any kind of troubles please.

Thank you for your kind reply.

73 - Petr, OK1RP
FOC 1745



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