[Elecraft] AX1 SOTA

[Dan Presley]

Just wanted to pass along my first impressions of the AX1 on a recent SOTA 
activation. I picked up the antenna at the Seapac hamfest in Oregon last 
week,and then a group of us hams were headed to a SOTA site this last Sunday in 
the Oregon cascade range. We went to Clear Lake Butte not far from Mt Hood to a 
fire lookout tower site. A 2 mile hike up a pretty steep road but we made it. I 
set up my KX2 and the AX1 on a picnic table and spread out 3 13 foot radials. 
It tuned right down to 1:1
on 20 and in very short order I had 15 contacts from North Carolina to
Texas,Arizona,Colorado,Missouri and some west coast guys. Running 5 W cw,and 
then switched to 17 M for a few more coast to coast Q’s. Of course we had a 
4500 foot elevation and practically no noise but still it performed very well. 
Of course the tiny size is a plus when you’re backpacking up a steep grade! 
Wayne and Eric have another winner on their hands. Thanks guys!


Dan Presley 503-701-3871
danpresley@me. com 
n7...@arrl.net


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Re: [Elecraft] K3 port sharing and FT-8

[Jim Brown]

On 6/11/2019 4:48 PM, Andy Durbin wrote:

Jim - what specifically did you disagree with:

That "split" mode can't be used without CAT?


That WSJT-X works just fine without CAT,  including the Fox's control of 
the Hounds' radios to move them into his protected space.


73, Jim K9YC


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Re: [Elecraft] K3 port sharing and FT-8

[M. George]

Wes, I wanted to jump in where Tom mentioned my YouTube video of sharing
Virtual K3 CAT feeds with Win4K3Suite
.

I'm just like you, I like to turn the knobs primarily.  Don't be confused
by the graphical interface that Win4K3Suite provides as it relates to
sharing your K3/S CAT feed.  Early on I purchased the software primarily
for the ability to share full on Virtual CAT Feeds and not the graphical
interface.  The CAT sharing is just one aspect of Win4K3Suite.  The PAN
Adapter support and graphic interface are simply additional features you
can use if you like.  And for remote operation the graphical interface is
excellent as you will learn if you operate remote.  Or just minimize
Win4K3Suite and don't use it... twist the knobs on your radio and just use
the CAT sharing via the Virtual K3 CAT feeds it provides.

I would highly recommend that you watch my video.  It's very detailed... to
a fault some will say, but you can jump ahead by 10 seconds and back using
the L and J keys and pause with the K key.  Or jump ahead 5 seconds and
back with the arrow keys and pause with the space bar.

I too used LP-Bridge many years ago and it did work, but it isn't even in
the same ball park for reliability as Win4K3Suite for sharing CAT Feeds.
Not even close.

The beauty of :Win4K3Suite is that it creates true Virtual K3/S CAT feeds.
The software or hardware you are using has no idea it's not connected
directly to the K3/S CAT port / USB CAT port direct.  No funky API's like
Hamlib or Omni-rig that requires software support to use the abstraction
layer required.

If there is hardware or software that expects to be connected directly to a
K3/S CAT port / feed, it will work with Win4K3Suite Virtual K3/S CAT
interfaces.

Watch the video and give Win4K3Suite a try.
 The com0com port setup trips
most guys up, but you have the same problem with LP-Bridge too.  I go into
great detail on com0com in the video.  It's not bad once you understand the
concept. You won't go back to LP-Bridge... my two cents.  And again, you
are not required to use the graphical interface to the K3 for anything, but
you might just start using it after awhile, for remote control like I did.
Not to mention all the other features... like using it with LP-PAN2 or
SDRPlay.  I switched from NaP3 long ago and never looked back.  By the way,
i'm a big N8LP fan too... I love the LP-PAN2 setup and LP-700, but NaP3
plays second fiddle to Win4K3Suite's spectrum display and you can now pump
a UDP feed of the spectrum to N1MM too... Have fun.

Max NG7M


Tom,

I've downloaded and tried your program several times (perhaps that why your
site
won't let me do it again).? Nothing personal, but I just don't like running
the
radio from the computer that much.? I know that flies in the face of my
desire
to tune (sometimes) the frequency with the mouse on the panadapter.?
Otherwise,
I like the knobs.? That said, your mention of Omni-rig got me thinking and
I
installed it and at first blush it appears that I can now connect
everything to
everything else using LP-Bridge.

I'll call this the beta test stage, but did want to put this out there for
the
folks who said it would work.

Wes


On 6/11/2019 4:00 PM, Tom wrote:
> Hi
> 7 years ago, I tried to write some small software projects that used
LPBridge to share ports. I quickly found out that it does not pass all
commands through the radio. In addition, there were many cases of
collisions between software products if they tried to write to the comport
at the same time.
> So, a long story short, I developed Win4K3Suite.
> It is completely different than passive comport sharing utilities.  It
has 6 "Virtual radios" that act pretty well identical to the K3, KX3 or
KX2.  It listens to commands from software products and then delivers
results either from memory or if a write is necessary, then all threads are
synchronized and prioritised so that one application cannot clobber the
other.
> You can run 6 applications simultaneously as well as HRD Logbook.  It
also works with hardware devices like SteppIr antennas and tuners.  Here is
a video from Max, NG7M who uses it extensively to connect all kinds of
software and hardware together. https://youtu.be/zbf7BPfcj4U
> It does use com0com, but not as a sharing tool but rather com0com
actually behaves just like a null modem cable.  You create a Pair of
comports which form a null modem cable and you connect one side to Win4K3
and the other to the other software.  It is 100% reliable and tested with
thousands of users.
> There's a free trial and updates are free.  There are numerous videos
under Documentation, Video Tutorials.
> In any case, I would not use HamLib for connections.  Always use
Omni-rig.  Much more stable.
> 73 Tom
> Va2fsq.com
>

-- 
M. George
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[K9MA]

I suspect the reason the power supply fans run at constant speed is that 
they are part of the Meanwell power supply, and beyond Elecraft's 
control due to warranty issues, etc. I certainly can't fault Elecraft 
for using that power supply, as it's cost effective and probably helped 
get the KPA1500 on the market more quickly. We can hope that perhaps 
some day Meanwell will switch to a temperature controlled fan.


I don't find mine particularly loud, as the RF deck fans drown them out 
even at their lower speeds. Even the K3 fans will drown it out when I'm 
running in a CW contest. I use some very good passive headphones, 
however. I don't think it's realistic to expect to be able to operate 
with an amplifier in the shack without headphones. However, the KPA1500 
is fully capable of remote operation, so you could put it in the next room.


73,
Scott K9MA

On 6/10/2019 18:57, eric norris via Elecraft wrote:

More broadly, has there been any progress on reducing the piercing power supply 
fan noise on the KPA1500 when only using it as a tuner or an antenna switch?  I 
complained about this a year ago, and I find it completely unacceptable.  No 
set of noise-reducing headphones that I have tried works well enough to make 
the noise tolerable.  I've tried moving the PS deck around with minimal 
improvement.  This just doesn't seem to fit Elecraft's philosophy of a quiet 
operating environment.  Why do these fans have to operate at full throttle when 
there is minimal current draw from the rf deck?  Why do these fans create such 
a piercing high-pitched note?
If there is no response from Elecraft, what have other ops done--short of 
moving the PS into an adjoining room--to mitigate the scream?
Thanks,
73 Eric WD6DBM

Sent from Yahoo Mail on Android
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--
Scott  K9MA

k...@sdellington.us

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Re: [Elecraft] K3 port sharing and FT-8

[Don Wilhelm]

Rick and all,

You did not mention the "NO ALC" point for Elecraft gear.
The ALC scale on the K3/K3S/KX3/KX2 gives you the ability to adjust the 
audio level (the lower bars are NOT an indication of ALC).

ALC begins at the 5th bar.
Those Elecraft radios must be have the audio level adjusted so there are 
4 bars solid with the 5th bar flashing.  The Elecraft radios must not 
use the audio level to control power - other radios may use that method, 
but not Elecraft.


If you want full information about that (and the related Elecraft power 
control), refer to the article on my website www.w3fpr.com.  Scroll to 
the last link in the left column and click to open the link.


73,
Don W3FPR

On 6/11/2019 8:42 PM, Rick WA6NHC wrote:


On 6/11/2019 4:19 PM, Jim Brown wrote:



Fox and Hound certainly "requires" it.


No,  it does NOT. The frequency shifting can all be done with audio if 
WSJT-X is set up for no CAT control!




At the risk of transmitting harmonics as well as the principle audio...

Plus not all sound card responses are 'flat' so the levels, if outside 
the tested range (say 1500 Hz +/- 500 Hz) vary much, it may be too loud 
(overdriving) or soft.


A simple test, into a dummy load, set your audio tone for a lower tone, 
watch the output, repeat with a mid-range tone and a higher pitched 
tone.  If you don't have to readjust the audio drive to the radio (while 
keeping NO ALC), you're fine.  If you do have change levels, use the 
frequency shifting of WSJT-X to stay within the same range.


Sometimes cheap audio, is REALLY cheap audio.

Rick nhc

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Re: [Elecraft] MH3 Mic

[Edward R Cole]

Interesting as I have a MH3 for my KX3 bought during the initial roll 
out of kits (SN475) and mic looks like new.  Most its life is inside 
but it did take a two-month trip logging 11K miles as a mobile last 
summer.  Just wondering if long exposure to sunlight in a mobile is 
cause of cracks?  I have no solution to offer other than wire another 
mic for use with your Elecraft radio.


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


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Re: [Elecraft] STRAIGHT KEY ISSUE RESOLVED

[Bob McGraw K4TAX]

Gerry:

Thanks for reporting your findings and correction.    It seems so many 
folks will post a question, receive an answer and solution, and are 
never heard from again.  Sharing makes us all better informed.


73

Bob, K4TAX


On 6/11/2019 8:16 PM, Gerry Miller wrote:

   I WANT TO THANK YOU FOR YOUR TIPS/SUGGESTIONS RE THE ISSUE I AM HAVING WITH 
MY STRAIGHT KEY FOR THE KX3.  I WAS NOT TOLD ABOUT CHANGING THE MENU TO READ 
CW1, ONCE I CHANGED THAT, PROBLEM RESOLVED.

THANK AGAIN FOR YOUR HELP.  73  GERRY MILLER  aa...@arrl.net

  


All Natural CBD Oil Has Doctors Throwing Out Prescriptions
worldhealthlabs.com
http://thirdpartyoffers.juno.com/TGL3141/5d0052916de99529160afst01vuc
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[Elecraft] STRAIGHT KEY ISSUE RESOLVED

[Gerry Miller]

  I WANT TO THANK YOU FOR YOUR TIPS/SUGGESTIONS RE THE ISSUE I AM HAVING WITH 
MY STRAIGHT KEY FOR THE KX3.  I WAS NOT TOLD ABOUT CHANGING THE MENU TO READ 
CW1, ONCE I CHANGED THAT, PROBLEM RESOLVED.  

THANK AGAIN FOR YOUR HELP.  73  GERRY MILLER  aa...@arrl.net

 

All Natural CBD Oil Has Doctors Throwing Out Prescriptions
worldhealthlabs.com
http://thirdpartyoffers.juno.com/TGL3141/5d0052916de99529160afst01vuc
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Re: [Elecraft] K3 port sharing and FT-8

[Rick WA6NHC]

On 6/11/2019 4:19 PM, Jim Brown wrote:



Fox and Hound certainly "requires" it.


No,  it does NOT. The frequency shifting can all be done with audio if 
WSJT-X is set up for no CAT control!




At the risk of transmitting harmonics as well as the principle audio...

Plus not all sound card responses are 'flat' so the levels, if outside 
the tested range (say 1500 Hz +/- 500 Hz) vary much, it may be too loud 
(overdriving) or soft.


A simple test, into a dummy load, set your audio tone for a lower tone, 
watch the output, repeat with a mid-range tone and a higher pitched 
tone.  If you don't have to readjust the audio drive to the radio (while 
keeping NO ALC), you're fine.  If you do have change levels, use the 
frequency shifting of WSJT-X to stay within the same range.


Sometimes cheap audio, is REALLY cheap audio.

Rick nhc

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Re: [Elecraft] K3 port sharing and FT-8

[Wes]

Tom,

I've downloaded and tried your program several times (perhaps that why your site 
won't let me do it again).  Nothing personal, but I just don't like running the 
radio from the computer that much.  I know that flies in the face of my desire 
to tune (sometimes) the frequency with the mouse on the panadapter.  Otherwise, 
I like the knobs.  That said, your mention of Omni-rig got me thinking and I 
installed it and at first blush it appears that I can now connect everything to 
everything else using LP-Bridge.


I'll call this the beta test stage, but did want to put this out there for the 
folks who said it would work.


Wes


On 6/11/2019 4:00 PM, Tom wrote:

Hi
7 years ago, I tried to write some small software projects that used LPBridge 
to share ports. I quickly found out that it does not pass all commands through 
the radio. In addition, there were many cases of collisions between software 
products if they tried to write to the comport at the same time.
So, a long story short, I developed Win4K3Suite.
It is completely different than passive comport sharing utilities.  It has 6 
"Virtual radios" that act pretty well identical to the K3, KX3 or KX2.  It 
listens to commands from software products and then delivers results either from memory 
or if a write is necessary, then all threads are synchronized and prioritised so that one 
application cannot clobber the other.
You can run 6 applications simultaneously as well as HRD Logbook.  It also 
works with hardware devices like SteppIr antennas and tuners.  Here is a video 
from Max, NG7M who uses it extensively to connect all kinds of software and 
hardware together. https://youtu.be/zbf7BPfcj4U
It does use com0com, but not as a sharing tool but rather com0com actually 
behaves just like a null modem cable.  You create a Pair of comports which form 
a null modem cable and you connect one side to Win4K3 and the other to the 
other software.  It is 100% reliable and tested with thousands of users.
There's a free trial and updates are free.  There are numerous videos under 
Documentation, Video Tutorials.
In any case, I would not use HamLib for connections.  Always use Omni-rig.  
Much more stable.
73 Tom
Va2fsq.com



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Re: [Elecraft] K3 port sharing and FT-8

[Gary Smith]

With the K3 & the K3s, I found getting 
WSJT-X to play nice was an oddity; 5% of 
the time it would work and 95% of the time 
it did not (The % is relative to my 
experience, not exact %). All Ham programs 
used LP-Bridge with no issue except 
WSJT-X. 

I finally was directed to Win4K3suite as 
Tom just mentioned. It resolved all the 
issues I had and I was totally happy with 
his software. I was not happy with several 
things regarding WSJT-X and I could see 
people asking for the same things on the 
email forum but these changes didn't come.

A VE friend suggested I try JTDX and 
though it does not do some things I like, 
like MSK for 6M, I found it to do 
everything I liked and it has much the 
same interface as WSJT-X. It is also a 
free program and now that I am using it, I 
no longer use WSJT-X, for me, there's no 
need to. 

http://jtdx.tech/en/videos-guides

Look to the bottom of the downloads column 
on the right & the latest version for 
windows is JTDX v2.0.1-rc137_6

My 2 pence & 73,

Gary
KA1J

> Maybe the collective wisdom of this group has an answer not to be
> found elsewhere.
> 
> Currently, I use DXBase for logging and an SDR-IQ running SpectraVue
> software for a panadapter.  These are "connected" to the K3S using
> LPBridge for port sharing.  This works well, and provides a clean
> spectrum display with point-and-click and mouse wheel tuning, if
> desired. I can also connect N1MM and AXTTY (a DXBase specific version
> of MMTTY) via port sharing if necessary. I don't use skimmer, spots or
> any of that other stuff.
> 
> Enter FT8, which for philosophical reasons I'm not fond of, but
> pragmatism is forcing it on me.  As best as I can determine, WSJT-X
> (FT8) requires total hogging of the K3S com port.  So to switch over
> I have to close the other programs and start WSJT-X. This takes a
> little time while DXBase updates its database.  Going the other way
> takes even more time while LPBridge creates the virtual ports before
> the other programs start.  Although I haven't tried it I believe
> there is a bridge from WSJT-X to DXBase, which then gets frequency
> from WSJT-X.
> 
> So, the question is, is there a solution to this other than buying a
> different radio?
> 
> Wes  N7WS
> 
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Re: [Elecraft] K3 port sharing and FT-8

[Andy Durbin]

Jim - what specifically did you disagree with:

That "split" mode can't be used without CAT?
That some people not using split mode produce horrible harmonics?
Something else?


"There's detailed advice in several places on my website for how to set 
audio drive levels from a computer sound card to the mic or line input 
of a ham rig. If those don't work for someone, he or she needs to turn 
in their boxtop license!"

Not everyone knows of your website or reads it.  Not everyone feeds audio to 
their rig using line or mic inputs.  However, It is a fact that more than a few 
ops using WSJT-X mode generate huge audio harmonics because they don't use 
"split" and don't set up the audio drive correctly.

73,
Andy, k3wyc

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[Elecraft] FREE: Traffie Hexbeam Antenna (Seattle area)

[Phil Hystad via Elecraft]

For anyone in the general Puget Sound area (aka Seattle area) who is interested 
in owning a 15 year old Traffie five-band Hexbeam antenna please contact me 
offline.

I have decided to retire the hexbeam antenna.  Lately I have been primarily 
portable ops using various portable op style antennas.  I have an 80-m dipole 
that I can use on 80 thru 17 and the important part of the 15 meter band (low 
end for CW) which I can use if I need the big gun antenna :-)

So, the antenna is still on my roof and in the next few days I plan to take it 
down and take it apart.  Very difficult to move all set up as it has an fairly 
large span.  But, it is not rocket science to put together.

If you are within driving distance (pickup truck probably needed, poles are 
long) of Kirkland, WA and you want a free antenna that originally cost a little 
over $1000 then let me know.  If you find you don’t need it, maybe you could 
sell it — I am too lazy to sell it.

Please contact offline.

73, phil, K7PEH
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Re: [Elecraft] K3 port sharing and FT-8

[Jim Brown]

On 6/11/2019 2:48 PM, Wes wrote:
Agree with Andy. 


I don't, especially for an EE of Wes's background and experience. 
There's detailed advice in several places on my website for how to set 
audio drive levels from a computer sound card to the mic or line input 
of a ham rig. If those don't work for someone, he or she needs to turn 
in their boxtop license!



Fox and Hound certainly "requires" it.


No,  it does NOT. The frequency shifting can all be done with audio if 
WSJT-X is set up for no CAT control!


73, Jim K9YC

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Re: [Elecraft] K3 port sharing and FT-8

[Gwen Patton]

Tom,

I use Win4K3Suite all the time with my KX3, because my neck won't take a
lot of twisting or craning about. The spectrum scope works perfectly, after
I found the port I originally tried months ago was indeed mono. It's on a
stereo input now, and is fine.

You mentioned it didn't use the same audio stack as wsjt-x. That's good too
know, and thanks for the explanation of how that bug functions. I will be
upgrading to Win 10 to fix it soon, but I do have things working ok with a
workaround for now.

It's great software, and it literally saves me serious pain. Thank you for
creating it.

73,
Gwen, NG3P

On Tue, Jun 11, 2019, 7:02 PM Tom  wrote:

> Hi
> 7 years ago, I tried to write some small software projects that used
> LPBridge to share ports. I quickly found out that it does not pass all
> commands through the radio. In addition, there were many cases of
> collisions between software products if they tried to write to the comport
> at the same time.
> So, a long story short, I developed Win4K3Suite.
> It is completely different than passive comport sharing utilities.  It has
> 6 "Virtual radios" that act pretty well identical to the K3, KX3 or KX2.
> It listens to commands from software products and then delivers results
> either from memory or if a write is necessary, then all threads are
> synchronized and prioritised so that one application cannot clobber the
> other.
> You can run 6 applications simultaneously as well as HRD Logbook.  It also
> works with hardware devices like SteppIr antennas and tuners.  Here is a
> video from Max, NG7M who uses it extensively to connect all kinds of
> software and hardware together. https://youtu.be/zbf7BPfcj4U
> It does use com0com, but not as a sharing tool but rather com0com actually
> behaves just like a null modem cable.  You create a Pair of comports which
> form a null modem cable and you connect one side to Win4K3 and the other to
> the other software.  It is 100% reliable and tested with thousands of users.
> There's a free trial and updates are free.  There are numerous videos
> under Documentation, Video Tutorials.
> In any case, I would not use HamLib for connections.  Always use
> Omni-rig.  Much more stable.
> 73 Tom
> Va2fsq.com
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> On Behalf Of Wes
> Sent: June 11, 2019 2:47 PM
> To: Elecraft Reflector 
> Subject: [Elecraft] K3 port sharing and FT-8
>
> Maybe the collective wisdom of this group has an answer not to be found
> elsewhere.
>
> Currently, I use DXBase for logging and an SDR-IQ running SpectraVue
> software for a panadapter.  These are "connected" to the K3S using LPBridge
> for port sharing.  This works well, and provides a clean spectrum display
> with point-and-click and mouse wheel tuning, if desired. I can also connect
> N1MM and AXTTY (a DXBase specific version of MMTTY) via port sharing if
> necessary. I don't use skimmer, spots or any of that other stuff.
>
> Enter FT8, which for philosophical reasons I'm not fond of, but pragmatism
> is forcing it on me.  As best as I can determine, WSJT-X (FT8) requires
> total hogging of the K3S com port.  So to switch over I have to close the
> other programs and start WSJT-X. This takes a little time while DXBase
> updates its database.  Going the other way takes even more time while
> LPBridge creates the virtual ports before the other programs start.
> Although I haven't tried it I believe there is a bridge from WSJT-X to
> DXBase, which then gets frequency from WSJT-X.
>
> So, the question is, is there a solution to this other than buying a
> different radio?
>
> Wes  N7WS
>
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Re: [Elecraft] K3 port sharing and FT-8

[Tom]

Hi
7 years ago, I tried to write some small software projects that used LPBridge 
to share ports. I quickly found out that it does not pass all commands through 
the radio. In addition, there were many cases of collisions between software 
products if they tried to write to the comport at the same time.
So, a long story short, I developed Win4K3Suite.
It is completely different than passive comport sharing utilities.  It has 6 
"Virtual radios" that act pretty well identical to the K3, KX3 or KX2.  It 
listens to commands from software products and then delivers results either 
from memory or if a write is necessary, then all threads are synchronized and 
prioritised so that one application cannot clobber the other.
You can run 6 applications simultaneously as well as HRD Logbook.  It also 
works with hardware devices like SteppIr antennas and tuners.  Here is a video 
from Max, NG7M who uses it extensively to connect all kinds of software and 
hardware together. https://youtu.be/zbf7BPfcj4U
It does use com0com, but not as a sharing tool but rather com0com actually 
behaves just like a null modem cable.  You create a Pair of comports which form 
a null modem cable and you connect one side to Win4K3 and the other to the 
other software.  It is 100% reliable and tested with thousands of users.
There's a free trial and updates are free.  There are numerous videos under 
Documentation, Video Tutorials.
In any case, I would not use HamLib for connections.  Always use Omni-rig.  
Much more stable.
73 Tom
Va2fsq.com


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Wes
Sent: June 11, 2019 2:47 PM
To: Elecraft Reflector 
Subject: [Elecraft] K3 port sharing and FT-8

Maybe the collective wisdom of this group has an answer not to be found 
elsewhere.

Currently, I use DXBase for logging and an SDR-IQ running SpectraVue software 
for a panadapter.  These are "connected" to the K3S using LPBridge for port 
sharing.  This works well, and provides a clean spectrum display with 
point-and-click and mouse wheel tuning, if desired. I can also connect N1MM and 
AXTTY (a DXBase specific version of MMTTY) via port sharing if necessary. I 
don't use skimmer, spots or any of that other stuff.

Enter FT8, which for philosophical reasons I'm not fond of, but pragmatism is 
forcing it on me.  As best as I can determine, WSJT-X (FT8) requires total 
hogging of the K3S com port.  So to switch over I have to close the other 
programs and start WSJT-X. This takes a little time while DXBase updates its 
database.  Going the other way takes even more time while LPBridge creates the 
virtual ports before the other programs start.  Although I haven't tried it I 
believe there is a bridge from WSJT-X to DXBase, which then gets frequency from 
WSJT-X.

So, the question is, is there a solution to this other than buying a different 
radio?

Wes  N7WS

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Re: [Elecraft] Silent power supply for a K3s

[Bob Nielsen - N7XY]

The Astrons are quiet and pretty reliable.  I have had a RS20 since 1980 
and the only problem I had was cured by replacing the regulator chip 
about 35 years ago.


Bob, N7XY

On 6/10/19 5:04 PM, Alan Corbeth wrote:

I have an Astron RS35 power Supply purchased in 1991.  There was a period where 
I didn’t use it for ten years.  Now it’s in use daily and so far it continues 
to be totally quiet.

Alan
K7FH


On Jun 10, 2019, at 3:56 AM, Bill  wrote:

I have several Power Werx switchers and prefer them for their size over the 
heavy analog supplies. Fans are not a problem (actually, I hear nothing from 
them at all) - IF you design your radio desk for proper equipment placement. 
Place the power supply at your right hand - and you WILL hear noise, XFMR, fan, 
etc.

It is amazing what proper station design/construction can do for making 
silence. Open faced metal shelving and bare desktops don't cut it.

Just for grins, I put one of those Nanoxia fans in my IC-7300 and silenced it 
completely. Worth the few dollars and effort. No temperature changes noted. 
Hmmm - KPA500?


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Re: [Elecraft] K3 port sharing and FT-8

[Wes]

Agree with Andy.  Fox and Hound certainly "requires" it.

Wes  N7WS

On 6/11/2019 2:30 PM, Andy Durbin wrote:

"No, FT8 does not REQUIRE a com port -- all it does is set and read the
radio's frequency. All WSJT-X modes will work fine with manual control
of frequency. In settings, simply choose No Radio on the Radio tab."

Yes, that's true but it doesn't tell the whole story.   WSJT-X cannot be used in "split" 
mode without CAT control.  Without "split" mode there is no constraint on modulation 
frequency.  Without constraint on modulation frequency people will work the low end of the 
waterfall with over-driven transmitters or over-driven audio stages and QRM the rest of us with 
horrible audio harmonics.  I have an extensive selection of screen shots that I use to illustrate 
how not to use WSJT-X.  One I captured just a few days ago shows second, third, and fourth 
harmonics on every transmission that station made.

Some of the worst WSJT-X mode signals I have seen came from very experienced operators 
using the K3.  Please, if you can't, or won't, use "split" mode, don't TX in 
the low end of the WSJT-X waterfall (below 1500 Hz) unless you *know* your signal is 
clean.

73,
Andy, k3wyc


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Re: [Elecraft] [K2] Low sensitivity with variable-bandwidth filter

[Don Wilhelm]

Bill for receive, you only need the jumpers at J9 and J10 - it is quick 
and easy to do with bent wires if you do not find the rework eliminators 
is short order.

Those jumper wires will not complete the transmit path - only receive.

73,
Don W3FPR

On 6/11/2019 5:03 PM, Bill Coleman wrote:

I own a set of Rework Eliminator modules, so that should be easy.

I just have to find them….




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[Elecraft] K3 port sharing and FT-8

[Andy Durbin]

"No, FT8 does not REQUIRE a com port -- all it does is set and read the 
radio's frequency. All WSJT-X modes will work fine with manual control 
of frequency. In settings, simply choose No Radio on the Radio tab."

Yes, that's true but it doesn't tell the whole story.   WSJT-X cannot be used 
in "split" mode without CAT control.  Without "split" mode there is no 
constraint on modulation frequency.  Without constraint on modulation frequency 
people will work the low end of the waterfall with over-driven transmitters or 
over-driven audio stages and QRM the rest of us with horrible audio harmonics.  
I have an extensive selection of screen shots that I use to illustrate how not 
to use WSJT-X.  One I captured just a few days ago shows second, third, and 
fourth harmonics on every transmission that station made.

Some of the worst WSJT-X mode signals I have seen came from very experienced 
operators using the K3.  Please, if you can't, or won't, use "split" mode, 
don't TX in the low end of the WSJT-X waterfall (below 1500 Hz) unless you 
*know* your signal is clean.

73,
Andy, k3wyc

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Re: [Elecraft] K3 port sharing and FT-8

[Wes]

Hi Don,

The radio I was thinking about is a TS-890 which by using their control program 
over Ethernet, can drive an external monitor displaying the band scope with 
point and click tuning.  This leaves the USB ports available for other apps.


Others obviously have different experiences, but I'm finding that your point 
about total control is well-taken.


Wes

  On 6/11/2019 12:03 PM, Don Wilhelm wrote:

Wes,

You are asking about the limitations of the computer software applications, 
particularly those providing virtual ports.  So I don't think a different 
radio will change things.


You might try Com0Com - have not used it, but I know it is different than 
LP-Bridge.


I think your problem is with LP-Bridge, which buffers K2 information to take 
the load off the K3 serial communication.


Yes, WSJT-X wants to have total control of the radio.

73,
Don W3FPR

On 6/11/2019 2:47 PM, Wes wrote:
Maybe the collective wisdom of this group has an answer not to be found 
elsewhere.


Currently, I use DXBase for logging and an SDR-IQ running SpectraVue software 
for a panadapter.  These are "connected" to the K3S using LPBridge for port 
sharing.  This works well, and provides a clean spectrum display with 
point-and-click and mouse wheel tuning, if desired. I can also connect N1MM 
and AXTTY (a DXBase specific version of MMTTY) via port sharing if necessary. 
I don't use skimmer, spots or any of that other stuff.


Enter FT8, which for philosophical reasons I'm not fond of, but pragmatism is 
forcing it on me.  As best as I can determine, WSJT-X (FT8) requires total 
hogging of the K3S com port.  So to switch over I have to close the other 
programs and start WSJT-X. This takes a little time while DXBase updates its 
database. Going the other way takes even more time while LPBridge creates the 
virtual ports before the other programs start.  Although I haven't tried it I 
believe there is a bridge from WSJT-X to DXBase, which then gets frequency 
from WSJT-X.


So, the question is, is there a solution to this other than buying a 
different radio?




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Re: [Elecraft] K3 port sharing and FT-8

[Jim Brown]

On 6/11/2019 11:47 AM, Wes wrote:
s best as I can determine, WSJT-X (FT8) requires total hogging of the 
K3S com port.


No, FT8 does not REQUIRE a com port -- all it does is set and read the 
radio's frequency. All WSJT-X modes will work fine with manual control 
of frequency. In settings, simply choose No Radio on the Radio tab.


73, Jim K9YC

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Re: [Elecraft] [K2] Low sensitivity with variable-bandwidth filter

[Bill Coleman]

I own a set of Rework Eliminator modules, so that should be easy.

I just have to find them….

> On Jun 11, 2019, at 3:09 PM, Don Wilhelm  wrote:
> 
> Bill,
> 
> First try removing the KSB2 - put bent wire jumpers between pins 1 and 3 of 
> J9 and J10.  Then see if you get a good response in CW.
> 
> Oh BTW, make sure the CW filters are centered at your sidetone pitch first - 
> use an audio spectrum analyzer and if you have one, a broadband noise 
> generator (if not, use band noise, but make sure there are on signals on the 
> band segement used).
> 
> If the CW filters work OK with the KSB2 removed, the troubleshooting should 
> start with the switching diodes on the KSB2 option.
> 
> 73,
> Don W3FPR
> 
> On 6/11/2019 2:53 PM, Bill Coleman wrote:
>> OK, I have a K2/100 w/ KAT100 that may have recently suffered from a static 
>> discharge event. I had to replace D16 & D17 in the KPA100, and I’m likely to 
>> do the same to the SWR bridge diodes in the KAT100 (since I can’t get the 
>> bridge to null properly).
>> The other thing I noticed is that the receiver sensitivity is substantially 
>> lower when using the CW filter. Using OP1, it seems to receive normally. I 
>> have three filters for CW 1.0, 0.4 and 0.16. When switching to 1.0 from OP1, 
>> signal levels drop by about 2-3 bars on the S-meter.
>> Anything in particular I should troubleshoot?

Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901

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Re: [Elecraft] K3 port sharing and FT-8

[Wes]

I got several answers suggesting that LP-Bridge will work and I tried all of the 
suggestions with no success.


Even disabling all other applications and just trying to connect WSJT-X via 
LP-Bridge Virtual Port 1 gives a hamlib error.


Wes

On 6/11/2019 1:28 PM, Gary Johnson wrote:
I use LP-Bridge with N1MM and WSTJ-X simultaneously (along with an LP-Pan and 
NaP3). The only configuration oddity that  I found was that WSJT had to 
connect via Virtual Com Port #1 and N1MM had to be on #2. Swapping those 
assignments would not work. No idea why. So I can guess that it would work if 
you assign DXBase to #2.


Gary NA6O




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Re: [Elecraft] KX3 PS Voltage Display Accuracy?

[Nr4c]

I believe the KX3 does have a diode in the line. 

Bottom line, the radio doesn’t care what your Fluke says, it uses its own 
voltmeter and acts on it. I owned a KX3 for a while and felt a bit behind as 
the radio was introduced with NiMH  battery technology just as LiPO battery 
technology was just coming into full bloom. If the voltage range were just 
bumped up to 16-17 Volts. A nice 4X? Pack would be great. A 3X pack is barely 
enough. 

Think the KX2 is now a better deal. But my portable days are over. Sadly. 

Sent from my iPhone
...nr4c. bill


> On Jun 11, 2019, at 4:34 PM, George Pasek  wrote:
> 
> I have a external TalentCell 12v Li-Ion 12800mAh Battery Pack that I have 
> been testing on my KX3.  At the same connection point as the battery (KX3 
> 9-15vdc Power Input) I have my Fluke 177 multi-meter and a EB_M05 that I use 
> to plot the battery pack voltage discharge.  I noticed that the Fluke 177 and 
> EB_M05 will both read the same battery pack voltage but the KX3 voltage 
> display shows about 0.2v lower on Receive and about 0.6v lower on Transmit, 
> as if there was a series diode involved with the display voltmeter.  The KX3 
> 10w output is rolled back to 5w when the KX3 voltage display drops below 
> 10.0v.  So at this point on transmit where the KX3 is displaying PS 10.0v, 
> the Fluke and EB_M05 are showing 10.6v.  If the KX3 were displaying the same 
> as the Fluke (10.6v) I would have a additional 0.6v @ 2000ma available to 
> support the “Use higher power at 10 V only when necessary to complete 
> critical communications”.
> 
> 
> 
> George
> 
> WD0AKZ
> 
> 
> 
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Re: [Elecraft] KX3 PS Voltage Display Accuracy?

[Walter Underwood]

The KX3 has a Schottky diode as protection against connecting an external power 
source with reverse polarity. The voltage drop is typically about 0.3 V during 
receive.

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

> On Jun 11, 2019, at 1:34 PM, George Pasek  wrote:
> 
> I have a external TalentCell 12v Li-Ion 12800mAh Battery Pack that I have 
> been testing on my KX3.  At the same connection point as the battery (KX3 
> 9-15vdc Power Input) I have my Fluke 177 multi-meter and a EB_M05 that I use 
> to plot the battery pack voltage discharge.  I noticed that the Fluke 177 and 
> EB_M05 will both read the same battery pack voltage but the KX3 voltage 
> display shows about 0.2v lower on Receive and about 0.6v lower on Transmit, 
> as if there was a series diode involved with the display voltmeter.  The KX3 
> 10w output is rolled back to 5w when the KX3 voltage display drops below 
> 10.0v.  So at this point on transmit where the KX3 is displaying PS 10.0v, 
> the Fluke and EB_M05 are showing 10.6v.  If the KX3 were displaying the same 
> as the Fluke (10.6v) I would have a additional 0.6v @ 2000ma available to 
> support the “Use higher power at 10 V only when necessary to complete 
> critical communications”.
> 
> George
> 
> WD0AKZ
> 
> 
> 
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Re: [Elecraft] KX3 PS Voltage Display Accuracy?

[John Oppenheimer]

On 6/11/19 3:34 PM, George Pasek wrote:
> as if there was a series diode involved with the display voltmeter.

Hi George,

KKX3 uses a series Schottky doide for reverse voltage protection. The
KX3 displays voltage after the diode.

John KN5L
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[Elecraft] KX3 PS Voltage Display Accuracy?

[George Pasek]

I have a external TalentCell 12v Li-Ion 12800mAh Battery Pack that I have been 
testing on my KX3.  At the same connection point as the battery (KX3 9-15vdc 
Power Input) I have my Fluke 177 multi-meter and a EB_M05 that I use to plot 
the battery pack voltage discharge.  I noticed that the Fluke 177 and EB_M05 
will both read the same battery pack voltage but the KX3 voltage display shows 
about 0.2v lower on Receive and about 0.6v lower on Transmit, as if there was a 
series diode involved with the display voltmeter.  The KX3 10w output is rolled 
back to 5w when the KX3 voltage display drops below 10.0v.  So at this point on 
transmit where the KX3 is displaying PS 10.0v, the Fluke and EB_M05 are showing 
10.6v.  If the KX3 were displaying the same as the Fluke (10.6v) I would have a 
additional 0.6v @ 2000ma available to support the “Use higher power at 10 V 
only when necessary to complete critical communications”.



George

WD0AKZ



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Re: [Elecraft] K3 port sharing and FT-8

[Gary Johnson]

I use LP-Bridge with N1MM and WSTJ-X simultaneously (along with an 
LP-Pan and NaP3). The only configuration oddity that  I found was that 
WSJT had to connect via Virtual Com Port #1 and N1MM had to be on #2. 
Swapping those assignments would not work. No idea why. So I can guess 
that it would work if you assign DXBase to #2.


Gary NA6O

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Re: [Elecraft] MH3 Mic

[Gary Smith]

You mentioned issues with cracks in the 
MH3 mic. I haven't experienced that with 
my MH4, in fact with my recent order for a 
K4, I ordered an additional MH4 so I can 
have one with the K3s as well.

But as to repairing plastic cracks, 
depending on where they are, you might 
want to get some plastic epoxy and repair 
from the inside. Nothing will make the 
crack disappear but you'll stop the old 
ones from expanding. Do it from the inside 
will be the cleanest way.

A couple days ago I picked up a plastic 
funnel where it has sat since last fall. I 
used the tab on its edge to pick it up, 
the funnel fell off, breaking at the tab. 
Plastic just won't ever last.

73,

Gary
KA1J

> I'm now on my second MH3 mic for KX3 and discovered it too has several
> cracks in the case.  I returned my first one to Elecraft and received
> this one at a reduced price.  This time I asked about the proper
> adhesive to hold it together.  The answer: "As the hand microphones
> are third party devices which we buy ourselves, I will pass the word
> internally,  . . . . . .Further, since we do not repair them, we do
> not have a recommendation on glues etc. to use." I'm concerned this is
> the answer for all third party components!
> 
> Anyone have any ideas on a glue that will work.  I've tried several. 
> Next step is rewire a $20 ebay speaker-mic. K5WTS


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Re: [Elecraft] K3 port sharing and FT-8

[Mark Musick]

As a comment to both Allan's and Don's replies, Win4K3Suite uses Com0Com for 
its virtual ports. I use Win4K3Suite and like Allan I have N1MM, MMTTY and I 
have WSJT-X all connected at the same time and have had no issues.

73,
Mark, WB9CIF

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Don Wilhelm
Sent: Tuesday, June 11, 2019 19:03
To: Wes ; Elecraft Reflector 
Subject: Re: [Elecraft] K3 port sharing and FT-8

Wes,

You are asking about the limitations of the computer software applications, 
particularly those providing virtual ports.  So I don't think a different radio 
will change things.

You might try Com0Com - have not used it, but I know it is different than 
LP-Bridge.

I think your problem is with LP-Bridge, which buffers K2 information to take 
the load off the K3 serial communication.

Yes, WSJT-X wants to have total control of the radio.

73,
Don W3FPR

On 6/11/2019 2:47 PM, Wes wrote:
> Maybe the collective wisdom of this group has an answer not to be 
> found elsewhere.
> 
> Currently, I use DXBase for logging and an SDR-IQ running SpectraVue 
> software for a panadapter.  These are "connected" to the K3S using 
> LPBridge for port sharing.  This works well, and provides a clean 
> spectrum display with point-and-click and mouse wheel tuning, if 
> desired. I can also connect N1MM and AXTTY (a DXBase specific version 
> of
> MMTTY) via port sharing if necessary. I don't use skimmer, spots or 
> any of that other stuff.
> 
> Enter FT8, which for philosophical reasons I'm not fond of, but 
> pragmatism is forcing it on me.  As best as I can determine, WSJT-X
> (FT8) requires total hogging of the K3S com port.  So to switch over I 
> have to close the other programs and start WSJT-X. This takes a little 
> time while DXBase updates its database.  Going the other way takes 
> even more time while LPBridge creates the virtual ports before the 
> other programs start.  Although I haven't tried it I believe there is 
> a bridge from WSJT-X to DXBase, which then gets frequency from WSJT-X.
> 
> So, the question is, is there a solution to this other than buying a 
> different radio?
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[Elecraft] O.T. Vertical separation between HF OCFD balun and VHF/UHF OTA TV antenna

[Tom Norris]

I've searched the internet without luck, just wondering if anyone here has
the answer to this question. They would be on the same mast at about 30'
elevation or so.
73, Tom NB5Q K3S
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Re: [Elecraft] [K2] Low sensitivity with variable-bandwidth filter

[Don Wilhelm]

Bill,

First try removing the KSB2 - put bent wire jumpers between pins 1 and 3 
of J9 and J10.  Then see if you get a good response in CW.


Oh BTW, make sure the CW filters are centered at your sidetone pitch 
first - use an audio spectrum analyzer and if you have one, a broadband 
noise generator (if not, use band noise, but make sure there are on 
signals on the band segement used).


If the CW filters work OK with the KSB2 removed, the troubleshooting 
should start with the switching diodes on the KSB2 option.


73,
Don W3FPR

On 6/11/2019 2:53 PM, Bill Coleman wrote:

OK, I have a K2/100 w/ KAT100 that may have recently suffered from a static 
discharge event. I had to replace D16 & D17 in the KPA100, and I’m likely to do 
the same to the SWR bridge diodes in the KAT100 (since I can’t get the bridge to 
null properly).

The other thing I noticed is that the receiver sensitivity is substantially 
lower when using the CW filter. Using OP1, it seems to receive normally. I have 
three filters for CW 1.0, 0.4 and 0.16. When switching to 1.0 from OP1, signal 
levels drop by about 2-3 bars on the S-meter.

Anything in particular I should troubleshoot?

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Re: [Elecraft] K3 port sharing and FT-8

[Don Wilhelm]

Wes,

You are asking about the limitations of the computer software 
applications, particularly those providing virtual ports.  So I don't 
think a different radio will change things.


You might try Com0Com - have not used it, but I know it is different 
than LP-Bridge.


I think your problem is with LP-Bridge, which buffers K2 information to 
take the load off the K3 serial communication.


Yes, WSJT-X wants to have total control of the radio.

73,
Don W3FPR

On 6/11/2019 2:47 PM, Wes wrote:
Maybe the collective wisdom of this group has an answer not to be found 
elsewhere.


Currently, I use DXBase for logging and an SDR-IQ running SpectraVue 
software for a panadapter.  These are "connected" to the K3S using 
LPBridge for port sharing.  This works well, and provides a clean 
spectrum display with point-and-click and mouse wheel tuning, if 
desired. I can also connect N1MM and AXTTY (a DXBase specific version of 
MMTTY) via port sharing if necessary. I don't use skimmer, spots or any 
of that other stuff.


Enter FT8, which for philosophical reasons I'm not fond of, but 
pragmatism is forcing it on me.  As best as I can determine, WSJT-X 
(FT8) requires total hogging of the K3S com port.  So to switch over I 
have to close the other programs and start WSJT-X. This takes a little 
time while DXBase updates its database.  Going the other way takes even 
more time while LPBridge creates the virtual ports before the other 
programs start.  Although I haven't tried it I believe there is a bridge 
from WSJT-X to DXBase, which then gets frequency from WSJT-X.


So, the question is, is there a solution to this other than buying a 
different radio?

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Re: [Elecraft] K3 port sharing and FT-8

[Allan Zadiraka]

I do port sharing for a K3s through Win4k3 with ACLog, N1MM+, and
Wsjt-X/JTAlert all running and no problems.  Normally don't have N1MM+ and
ACLog running at same time but have done it with no problems.



*Allan Zadiraka*
*AB8OU*





On Tue, Jun 11, 2019 at 2:48 PM Wes  wrote:

> Maybe the collective wisdom of this group has an answer not to be found
> elsewhere.
>
> Currently, I use DXBase for logging and an SDR-IQ running SpectraVue
> software
> for a panadapter.  These are "connected" to the K3S using LPBridge for
> port
> sharing.  This works well, and provides a clean spectrum display with
> point-and-click and mouse wheel tuning, if desired. I can also connect
> N1MM and
> AXTTY (a DXBase specific version of MMTTY) via port sharing if necessary.
> I
> don't use skimmer, spots or any of that other stuff.
>
> Enter FT8, which for philosophical reasons I'm not fond of, but pragmatism
> is
> forcing it on me.  As best as I can determine, WSJT-X (FT8) requires total
> hogging of the K3S com port.  So to switch over I have to close the other
> programs and start WSJT-X. This takes a little time while DXBase updates
> its
> database.  Going the other way takes even more time while LPBridge creates
> the
> virtual ports before the other programs start.  Although I haven't tried
> it I
> believe there is a bridge from WSJT-X to DXBase, which then gets frequency
> from
> WSJT-X.
>
> So, the question is, is there a solution to this other than buying a
> different
> radio?
>
> Wes  N7WS
>
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Re: [Elecraft] MH3 Mic

[Don Wilhelm]

I don't think any of the MH3 microphones were made by Heil, although I 
may be mistaken.
I would not be surprised if Elecraft had several vendors for the 
microphones - a much better solution than having a single source supplier.


In any case, contact supp...@elecraft.com for assistance.  If the 
microphone is out of warranty, then order a new one.


73,
Don W3FPR

On 6/11/2019 2:45 PM, Barry LaZar wrote:

Don,
     Interesting. My KX3 is s/n 324, an oldie. Do you know who is 
making the new mics? I, too, may need that info for future reference.


73,
Barry
K3NDM

On Tue, Jun 11, 2019, 2:40 PM Don Wilhelm > wrote:


Barry,

I do not believe that is true anymore (except for the ProSet-K2).
The original MH2 microphone was Heil, but that was changed a very
long
time ago.

Since you just bought the MH3, your best recourse is to contact
Elecraft
about a replacement.

73,
Don W3FPR

On 6/11/2019 2:15 PM, Barry LaZar wrote:
> I would contact Heil. The mics that Elecraft use/sells are
theirs. Heil
> should be able to get your answers.
>
> 73,
> Barry
> K3NDM
>
> On Tue, Jun 11, 2019, 9:19 AM Kent Powell mailto:kpk5...@gmail.com>> wrote:
>
>> I'm now on my second MH3 mic for KX3 and discovered it too has
several
>> cracks in the case.  I returned my first one to Elecraft and
received this
>> one at a reduced price.  This time I asked about the proper
adhesive to
>> hold it together.  The answer:
>> "As the hand microphones are third party devices which we buy
ourselves, I
>> will pass the word internally,  . . . . . .Further, since we do
not repair
>> them, we do not have a recommendation on glues etc. to use."
>> I'm concerned this is the answer for all third party components!



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[Elecraft] [K2] Low sensitivity with variable-bandwidth filter

[Bill Coleman]

OK, I have a K2/100 w/ KAT100 that may have recently suffered from a static 
discharge event. I had to replace D16 & D17 in the KPA100, and I’m likely to do 
the same to the SWR bridge diodes in the KAT100 (since I can’t get the bridge 
to null properly).

The other thing I noticed is that the receiver sensitivity is substantially 
lower when using the CW filter. Using OP1, it seems to receive normally. I have 
three filters for CW 1.0, 0.4 and 0.16. When switching to 1.0 from OP1, signal 
levels drop by about 2-3 bars on the S-meter.

Anything in particular I should troubleshoot?

Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901

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Re: [Elecraft] MH3 Mic

[Barry LaZar]

Don,
 Interesting. My KX3 is s/n 324, an oldie. Do you know who is making
the new mics? I, too, may need that info for future reference.

73,
Barry
K3NDM

On Tue, Jun 11, 2019, 2:40 PM Don Wilhelm  wrote:

> Barry,
>
> I do not believe that is true anymore (except for the ProSet-K2).
> The original MH2 microphone was Heil, but that was changed a very long
> time ago.
>
> Since you just bought the MH3, your best recourse is to contact Elecraft
> about a replacement.
>
> 73,
> Don W3FPR
>
> On 6/11/2019 2:15 PM, Barry LaZar wrote:
> > I would contact Heil. The mics that Elecraft use/sells are theirs. Heil
> > should be able to get your answers.
> >
> > 73,
> > Barry
> > K3NDM
> >
> > On Tue, Jun 11, 2019, 9:19 AM Kent Powell  wrote:
> >
> >> I'm now on my second MH3 mic for KX3 and discovered it too has several
> >> cracks in the case.  I returned my first one to Elecraft and received
> this
> >> one at a reduced price.  This time I asked about the proper adhesive to
> >> hold it together.  The answer:
> >> "As the hand microphones are third party devices which we buy
> ourselves, I
> >> will pass the word internally,  . . . . . .Further, since we do not
> repair
> >> them, we do not have a recommendation on glues etc. to use."
> >> I'm concerned this is the answer for all third party components!
>
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[Elecraft] K3 port sharing and FT-8

[Wes]

Maybe the collective wisdom of this group has an answer not to be found 
elsewhere.

Currently, I use DXBase for logging and an SDR-IQ running SpectraVue software 
for a panadapter.  These are "connected" to the K3S using LPBridge for port 
sharing.  This works well, and provides a clean spectrum display with 
point-and-click and mouse wheel tuning, if desired. I can also connect N1MM and 
AXTTY (a DXBase specific version of MMTTY) via port sharing if necessary. I 
don't use skimmer, spots or any of that other stuff.


Enter FT8, which for philosophical reasons I'm not fond of, but pragmatism is 
forcing it on me.  As best as I can determine, WSJT-X (FT8) requires total 
hogging of the K3S com port.  So to switch over I have to close the other 
programs and start WSJT-X. This takes a little time while DXBase updates its 
database.  Going the other way takes even more time while LPBridge creates the 
virtual ports before the other programs start.  Although I haven't tried it I 
believe there is a bridge from WSJT-X to DXBase, which then gets frequency from 
WSJT-X.


So, the question is, is there a solution to this other than buying a different 
radio?


Wes  N7WS

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Re: [Elecraft] MH3 Mic

[Don Wilhelm]

Barry,

I do not believe that is true anymore (except for the ProSet-K2).
The original MH2 microphone was Heil, but that was changed a very long 
time ago.


Since you just bought the MH3, your best recourse is to contact Elecraft 
about a replacement.


73,
Don W3FPR

On 6/11/2019 2:15 PM, Barry LaZar wrote:

I would contact Heil. The mics that Elecraft use/sells are theirs. Heil
should be able to get your answers.

73,
Barry
K3NDM

On Tue, Jun 11, 2019, 9:19 AM Kent Powell  wrote:


I'm now on my second MH3 mic for KX3 and discovered it too has several
cracks in the case.  I returned my first one to Elecraft and received this
one at a reduced price.  This time I asked about the proper adhesive to
hold it together.  The answer:
"As the hand microphones are third party devices which we buy ourselves, I
will pass the word internally,  . . . . . .Further, since we do not repair
them, we do not have a recommendation on glues etc. to use."
I'm concerned this is the answer for all third party components!

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Re: [Elecraft] MH3 Mic

[Barry LaZar]

I would contact Heil. The mics that Elecraft use/sells are theirs. Heil
should be able to get your answers.

73,
Barry
K3NDM

On Tue, Jun 11, 2019, 9:19 AM Kent Powell  wrote:

> I'm now on my second MH3 mic for KX3 and discovered it too has several
> cracks in the case.  I returned my first one to Elecraft and received this
> one at a reduced price.  This time I asked about the proper adhesive to
> hold it together.  The answer:
> "As the hand microphones are third party devices which we buy ourselves, I
> will pass the word internally,  . . . . . .Further, since we do not repair
> them, we do not have a recommendation on glues etc. to use."
> I'm concerned this is the answer for all third party components!
>
> Anyone have any ideas on a glue that will work.  I've tried several.  Next
> step is rewire a $20 ebay speaker-mic.
> K5WTS
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Re: [Elecraft] [CSGuys] Fwd: MH3 Mic

[Doug Nathan]

Hi Mike,
Elecraft has a one year warranty, which covers this situation nicely.
"During the first year after date of purchase, Elecraft will replace
defective or missing parts free of charge"
The second microphone, received in a broken state, is certainly covered.
We DO want you to succeed.
Cheers,
Doug in Customer Support.


*From:* Michael Walker 
> *Date:* June 11, 2019 at 6:48:46 AM PDT
> *To:* Kent Powell 
> *Cc:* "Elecraft@mailman.qth.net" 
> *Subject:* *Re: [Elecraft] MH3 Mic*
>
> Hi Kent
>
> You might find that getting another Mic and cabling it correctly might be
> your best option.
>
> Elecraft does what other vendors do.  Mic's are disposable and most are
> made off shore.
>
> Mike
>
> On Tue, Jun 11, 2019 at 9:18 AM Kent Powell  wrote:
>
> I'm now on my second MH3 mic for KX3 and discovered it too has several
>
> cracks in the case.  I returned my first one to Elecraft and received this
>
> one at a reduced price.  This time I asked about the proper adhesive to
>
> hold it together.  The answer:
>
> "As the hand microphones are third party devices which we buy ourselves, I
>
> will pass the word internally,  . . . . . .Further, since we do not repair
>
> them, we do not have a recommendation on glues etc. to use."
>
> I'm concerned this is the answer for all third party components!
>
>
> Anyone have any ideas on a glue that will work.  I've tried several.  Next
>
> step is rewire a $20 ebay speaker-mic.
>
> K5WTS
>
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>
>
>
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Re: [Elecraft] HDMI I/F for P3/K3.

[Graziano Roccon (IW2NOY)]

https://www.amazon.it/Adattatore-GANA-Convertitore-Supporto-Proiettore/dp/B01N2LZDP8/ref=asc_df_B01N2LZDP8/?tag=googshopit-21=df0=279880902455=1o5=g=11453284618796757896c===1008463=aud-544468258544:pla-562629519962=1



Il 11/06/2019 16:22 w4sc ha scritto:

I know this has been discussed before.  It would be nice to have this
optional interface.

Looking at the VGA schematics it would appear that 85% of the work
has been done.  The major difference being the driver for the cable,
and maybe a few tweaks in the FPGA.   Memory and A/D frontend
Bandwidth should not be a problem as long as you don’t want 4K,,ect.
1080p is already available in the VGA adapter.

The other option is a VGA to HDMI converter.   One issue I have with
any arrangement like this is there is yet another “box and cables”
hanging off the back of my K3S/P3.

I found this one that may work.
https://www.amazon.com/UGREEN-Converter-Supports-Connecting-Notebook/dp/B00QUWEBXE/ref=sr_1_31?keywords=vga+1080p+to+hdmi+adapter=1560003978=pc=1-31

I have ordered one.  I’ll report back on how well (or not) it works.
I have a 43inch Samsung NO-VGA TV to try it on.

Now the K4 has been announced with onboard P3 functionality, with HDMI
interface, maybe HDMI for P3 will appear in the order list.

The other option is to save my “lunch money” for a K4??  Retire the
K3S/P3 to radio museum.

NO, I do not want a JOB!

de Ben W4SC



Sent from Mail for Windows 10

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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[N4ZR]

And my SN 502 is perfectly acceptable, even with the stock fan-ware (is 
that a word?)


73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 6/11/2019 9:22 AM, Dan Atchison via Elecraft wrote:
My KPA1500 s/n 156 had such a problem with PS audible noise.?? It was 
fixed with two mods available from Elecraft, one a new LED board and 
another with a resistor addition to the MeanWell power supply output?? 
The latter was probably not associated with noise but it's an addition 
that was not on my #156.


73,
Dan -- N3ND

On 6/11/2019 7:51 AM, Roy Koeppe wrote:
Eric -- this is not at all normal! My PSU is quiet...hardly hear it 
from under the table. I understand Elecraft changed to much quieter 
fans maybe two years ago. But even so, perhaps the voltage to your 
fans has soared way to high? I haven't looked at the circuit driving 
them. Maybe lost regulation, etc.


73, Roy?? K6XK


Apparently I was not clear enough in my message.?? It is the PSU fan 
noise
that is deafening, not the RF deck.?? Like Peter, my PSU sits on the 
floor
underneath a wooden operating desk that holds the rest of the 
K-line.?? The

noise from the PSU is high-pitched and piercing.?? The only thing I can
liken it to is a four-rotor Mazda prototype IMSA GTP race car from the
early 90s.?? Brain-piercing, tear-your-hair-out, heard-from-every
room-in-the-house louder than hell, and has been so since the day it
darkened my doorway--with the RF deck at idle.

73 Eric WD6DBM



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[Elecraft] HDMI I/F for P3/K3.

[w4sc]

I know this has been discussed before.  It would be nice to have this optional 
interface.  

Looking at the VGA schematics it would appear that 85% of the work  has been 
done.  The major difference being the driver for the cable, and maybe a few 
tweaks in the FPGA.   Memory and A/D frontend Bandwidth should not be a problem 
as long as you don’t want 4K,,ect.  1080p is already available in the VGA 
adapter.

The other option is a VGA to HDMI converter.   One issue I have with any 
arrangement like this is there is yet another “box and cables” hanging off the 
back of my K3S/P3.

I found this one that may work.  
https://www.amazon.com/UGREEN-Converter-Supports-Connecting-Notebook/dp/B00QUWEBXE/ref=sr_1_31?keywords=vga+1080p+to+hdmi+adapter=1560003978=pc=1-31

I have ordered one.  I’ll report back on how well (or not) it works.  I have a 
43inch Samsung NO-VGA TV to try it on.

Now the K4 has been announced with onboard P3 functionality, with HDMI 
interface, maybe HDMI for P3 will appear in the order list.

The other option is to save my “lunch money” for a K4??  Retire the K3S/P3 to 
radio museum.

NO, I do not want a JOB!

de Ben W4SC



Sent from Mail for Windows 10

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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Michael Walker]

How loud is the noise?

Can you measure it at all?  There are many smart phone apps that are really
good.

I compared my iPhone to a bench standard and it was off by less 0.5db at
most frequencies.  Pretty impressive actually.

Mike va3mw


On Tue, Jun 11, 2019 at 9:49 AM Richard Thorne  wrote:

>
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Re: [Elecraft] MH3 Mic

[Michael Walker]

Hi Kent

You might find that getting another Mic and cabling it correctly might be
your best option.

Elecraft does what other vendors do.  Mic's are disposable and most are
made off shore.

Mike

On Tue, Jun 11, 2019 at 9:18 AM Kent Powell  wrote:

> I'm now on my second MH3 mic for KX3 and discovered it too has several
> cracks in the case.  I returned my first one to Elecraft and received this
> one at a reduced price.  This time I asked about the proper adhesive to
> hold it together.  The answer:
> "As the hand microphones are third party devices which we buy ourselves, I
> will pass the word internally,  . . . . . .Further, since we do not repair
> them, we do not have a recommendation on glues etc. to use."
> I'm concerned this is the answer for all third party components!
>
> Anyone have any ideas on a glue that will work.  I've tried several.  Next
> step is rewire a $20 ebay speaker-mic.
> K5WTS
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Richard Thorne]

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[Elecraft] MH3 Mic

[Kent Powell]

I'm now on my second MH3 mic for KX3 and discovered it too has several
cracks in the case.  I returned my first one to Elecraft and received this
one at a reduced price.  This time I asked about the proper adhesive to
hold it together.  The answer:
"As the hand microphones are third party devices which we buy ourselves, I
will pass the word internally,  . . . . . .Further, since we do not repair
them, we do not have a recommendation on glues etc. to use."
I'm concerned this is the answer for all third party components!

Anyone have any ideas on a glue that will work.  I've tried several.  Next
step is rewire a $20 ebay speaker-mic.
K5WTS
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Dan Atchison via Elecraft]

My KPA1500 s/n 156 had such a problem with PS audible noise.?? It was 
fixed with two mods available from Elecraft, one a new LED board and 
another with a resistor addition to the MeanWell power supply output?? 
The latter was probably not associated with noise but it's an addition 
that was not on my #156.


73,
Dan -- N3ND

On 6/11/2019 7:51 AM, Roy Koeppe wrote:
Eric -- this is not at all normal! My PSU is quiet...hardly hear it 
from under the table. I understand Elecraft changed to much quieter 
fans maybe two years ago. But even so, perhaps the voltage to your 
fans has soared way to high? I haven't looked at the circuit driving 
them. Maybe lost regulation, etc.


73, Roy?? K6XK


Apparently I was not clear enough in my message.?? It is the PSU fan noise
that is deafening, not the RF deck.?? Like Peter, my PSU sits on the floor
underneath a wooden operating desk that holds the rest of the K-line.?? 
The

noise from the PSU is high-pitched and piercing.?? The only thing I can
liken it to is a four-rotor Mazda prototype IMSA GTP race car from the
early 90s.?? Brain-piercing, tear-your-hair-out, heard-from-every
room-in-the-house louder than hell, and has been so since the day it
darkened my doorway--with the RF deck at idle.

73 Eric WD6DBM



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Re: [Elecraft] STRAIGHT KEY WIRING-KX3 - Dress up the wire

[Harry Yingst via Elecraft]

 To dress up the wire on my key I took a piece of black parachute cord and 
pulled out the center strands.
I then slid the wire through the center of the parachute cord. A little 
heat-shrink at the ends keeps it dressed up
On the plug end of the wire the heat-shrink is hidden by the plug housing. 
(even with a molded plug end it should still dress it up)






On Monday, June 10, 2019, 8:17:29 PM EDT, David Haines  
wrote:  
 
 I'm very interested, too.  Also ideas for a decent, attractive, flexible 
wire to use with my J-38 key.

On 6/10/2019 7:54 PM, Gerry Miller wrote:
> HI,  I AM SEEKING INFORMATION RE CORRECT WIRING OF A STRAIGHT KEY FOR THE 
> KX3.  I HAVE TRIED SEVERAL COMBINATIONS OF THE STEREO PLUG TO NO AVAIL.  ANY 
> HELP WOULD BE APPRECIATED.  73  GERRY MILLER,  aa...@arrl.net
> 
> Drink This Before Bed, Watch Your Body Fat Melt Like Crazy
> Diet Insider
> http://thirdpartyoffers.juno.com/TGL3141/5cfeedf99e5e66df915fest03vuc
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Larry (K8UT)]

Eric,

My shack is a relatively quiet operating environment, but declaring 
something as quiet or noisy is always somewhat subjective. The fans in 
my PSU are pretty quiet, but nevertheless the KPA1500 PSU is 
remote-installed in a closet in my shack.


I am absolutely no "audio" guy, but years ago installed a free, cheap & 
dirty noise level meter app on my android phone called "Sound Meter." I 
use it to complain to restaurant managers that the blaring music in 
their establishments is too loud for casual conversation, demanding that 
it be turned down.


With the KPA1500 turned off and phone situated 3 feet from the power 
supply, the noise level in that closet is 28 DB. Turning on the 
amplifier raises the noise level by 12 DB to 40 DB - a 12 DB difference. 
Not much difference, and certainly not the "piercing power supply fan 
noise" you describe.


-larry (K8UT)

-- Original Message --
From: "eric norris via Elecraft" 
To: "li...@w2irt.net" ; "li...@w2irt.net" 
; "Elecraft Reflector" 

Sent: 2019-06-10 19:57:02
Subject: [Elecraft] KPA1500 Power Supply Fan Noise


More broadly, has there been any progress on reducing the piercing power supply 
fan noise on the KPA1500 when only using it as a tuner or an antenna switch?  I 
complained about this a year ago, and I find it completely unacceptable.  No 
set of noise-reducing headphones that I have tried works well enough to make 
the noise tolerable.  I've tried moving the PS deck around with minimal 
improvement.  This just doesn't seem to fit Elecraft's philosophy of a quiet 
operating environment.  Why do these fans have to operate at full throttle when 
there is minimal current draw from the rf deck?  Why do these fans create such 
a piercing high-pitched note?
If there is no response from Elecraft, what have other ops done--short of 
moving the PS into an adjoining room--to mitigate the scream?
Thanks,
73 Eric WD6DBM

Sent from Yahoo Mail on Android
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Roy Koeppe]

Eric -- this is not at all normal! My PSU is quiet...hardly hear it from 
under the table. I understand Elecraft changed to much quieter fans maybe 
two years ago. But even so, perhaps the voltage to your fans has soared way 
to high? I haven't looked at the circuit driving them. Maybe lost 
regulation, etc.


73,   RoyK6XK


Apparently I was not clear enough in my message.  It is the PSU fan noise
that is deafening, not the RF deck.  Like Peter, my PSU sits on the floor
underneath a wooden operating desk that holds the rest of the K-line.  The
noise from the PSU is high-pitched and piercing.  The only thing I can
liken it to is a four-rotor Mazda prototype IMSA GTP race car from the
early 90s.  Brain-piercing, tear-your-hair-out, heard-from-every
room-in-the-house louder than hell, and has been so since the day it
darkened my doorway--with the RF deck at idle.

73 Eric WD6DBM



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Re: [Elecraft] STRAIGHT KEY WIRING-KX3

[Nr4c]

A mono plug will short the ring to shield in the jack resulting in a solid tone 
(a very long “dah”). 

Key1 is the jack on the side. 

Sent from my iPhone
...nr4c. bill


> On Jun 10, 2019, at 10:32 PM, Jim Rhodes  wrote:
> 
> Actually you can have either the tip or ring as the active contact. You
> just need to set either the CW KEY1 or CW KEY2 menu items to HAND for the
> one you wish to use. CW KEY1 for tip, CW KEY2 for ring. If you use a mono
> plug of course your only choice would be CW KEY1.
> 
> Jim Rhodes
> K0XU
> 
>> On Mon, Jun 10, 2019, 19:43 rich hurd WC3T  wrote:
>> 
>> 
>> https://ftp.elecraft.com/KX3/Mod%20Notes%20Alerts/Using%20a%20Straight%20Key%20with%20the%20KX3.pdf
>> 
>> 
>>> On Mon, Jun 10, 2019 at 19:54 Gerry Miller  wrote:
>>> 
>>> 
>>> HI,  I AM SEEKING INFORMATION RE CORRECT WIRING OF A STRAIGHT KEY FOR THE
>>> KX3.  I HAVE TRIED SEVERAL COMBINATIONS OF THE STEREO PLUG TO NO AVAIL.
>>> ANY HELP WOULD BE APPRECIATED.  73  GERRY MILLER,  aa...@arrl.net
>>> 
>>> Drink This Before Bed, Watch Your Body Fat Melt Like Crazy
>>> Diet Insider
>>> http://thirdpartyoffers.juno.com/TGL3141/5cfeedf99e5e66df915fest03vuc
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>> Message delivered to r...@wc3t.us
>> --
>> 72,
>> Rich Hurd / WC3T / DMR: 3142737
>> Northampton County RACES, EPA-ARRL Public Information Officer for Scouting
>> Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
>> *FN20is*
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[John Langdon]

Eric,

My KPA1500 RF deck is mounted on a high shelf, and the power supply is on low 
shelf below the desk.  I have the fan speed on the RF deck set to 2 as a 
minimum.  I almost never notice the PS fans, when I hear noise it is the RF 
deck. During the ARRL DX CW the fans reached 4 and it was loud enough to need 
headphones, in most operation it is not.  The PS noise you are describing does 
not seem normal to me.  Can you make a video/audio recording and post it on the 
web somewhere?

73 John N5CQ


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Eric Norris
Sent: Tuesday, June 11, 2019 3:47 AM
To: Peter Hall 
Cc: elecraft@mailman qth. net 
Subject: Re: [Elecraft] KPA1500 Power Supply Fan Noise

Apparently I was not clear enough in my message.  It is the PSU fan noise that 
is deafening, not the RF deck.  Like Peter, my PSU sits on the floor underneath 
a wooden operating desk that holds the rest of the K-line.  The noise from the 
PSU is high-pitched and piercing.  The only thing I can liken it to is a 
four-rotor Mazda prototype IMSA GTP race car from the early 90s.  
Brain-piercing, tear-your-hair-out, heard-from-every room-in-the-house louder 
than hell, and has been so since the day it darkened my doorway--with the RF 
deck at idle.

73 Eric WD6DBM

On Tue, Jun 11, 2019, 12:54 AM Peter Hall  wrote:

> Hello Eric
>
> There's no doubt that a KPA1500 physical installation needs some 
> careful attention to the noise aspect.  That said, I'm a bit surprised 
> by your problem with the PSU fan.  I can certainly hear mine but, 
> overall, the noise is entirely dominated by the RF deck fans.  I've 
> located the PSU under my operating desk, which is made of a dense 
> particleboard material.
> The RF deck sits alongside my TS-890S transceiver on the desk.   I can hear
> the PSU fan if I put my head below desk level but, even then, I don't 
> find the fan to be particularly high-pitched in its acoustic output.  
> Could you possibly have a faulty fan (maybe excess nearing noise)?
>
> On the other hand, I do find the RF deck fans test my patience a bit, 
> especially since the last round of major firmware updates which start 
> the cooling at a lower heatsink temperature.  That probably works well 
> in a high-output environment, where it no doubt delays the onset of 
> heat soaking.  But when the amplifier "loafs" in a low power, low duty 
> cycle environment as it does in some of my applications. it just 
> starts the noise prematurely.  It'd be great to see something like an 
> "80m rag-chew" option for those times!
>
> 73, Peter (VK6HP).
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> 
> On Behalf Of eric norris via Elecraft
> Sent: Tuesday, 11 June 2019 7:57 AM
> To: li...@w2irt.net; li...@w2irt.net; Elecraft Reflector < 
> elecraft@mailman.qth.net>
> Subject: [Elecraft] KPA1500 Power Supply Fan Noise
>
> More broadly, has there been any progress on reducing the piercing 
> power supply fan noise on the KPA1500 when only using it as a tuner or 
> an antenna switch?  I complained about this a year ago, and I find it 
> completely unacceptable.  No set of noise-reducing headphones that I 
> have tried works well enough to make the noise tolerable.  I've tried 
> moving the PS deck around with minimal improvement.  This just doesn't 
> seem to fit Elecraft's philosophy of a quiet operating environment.  
> Why do these fans have to operate at full throttle when there is 
> minimal current draw from the rf deck?  Why do these fans create such 
> a piercing high-pitched note? If there is no response from Elecraft, 
> what have other ops done--short of moving the PS into an adjoining room--to 
> mitigate the scream?
> Thanks,
> 73 Eric WD6DBM
>
> Sent from Yahoo Mail on Android
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Eric Norris]

Apparently I was not clear enough in my message.  It is the PSU fan noise
that is deafening, not the RF deck.  Like Peter, my PSU sits on the floor
underneath a wooden operating desk that holds the rest of the K-line.  The
noise from the PSU is high-pitched and piercing.  The only thing I can
liken it to is a four-rotor Mazda prototype IMSA GTP race car from the
early 90s.  Brain-piercing, tear-your-hair-out, heard-from-every
room-in-the-house louder than hell, and has been so since the day it
darkened my doorway--with the RF deck at idle.

73 Eric WD6DBM

On Tue, Jun 11, 2019, 12:54 AM Peter Hall  wrote:

> Hello Eric
>
> There's no doubt that a KPA1500 physical installation needs some careful
> attention to the noise aspect.  That said, I'm a bit surprised by your
> problem with the PSU fan.  I can certainly hear mine but, overall, the
> noise is entirely dominated by the RF deck fans.  I've located the PSU
> under my operating desk, which is made of a dense particleboard material.
> The RF deck sits alongside my TS-890S transceiver on the desk.   I can hear
> the PSU fan if I put my head below desk level but, even then, I don't find
> the fan to be particularly high-pitched in its acoustic output.  Could you
> possibly have a faulty fan (maybe excess nearing noise)?
>
> On the other hand, I do find the RF deck fans test my patience a bit,
> especially since the last round of major firmware updates which start the
> cooling at a lower heatsink temperature.  That probably works well in a
> high-output environment, where it no doubt delays the onset of heat
> soaking.  But when the amplifier "loafs" in a low power, low duty cycle
> environment as it does in some of my applications. it just starts the noise
> prematurely.  It'd be great to see something like an "80m rag-chew" option
> for those times!
>
> 73, Peter (VK6HP).
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> On Behalf Of eric norris via Elecraft
> Sent: Tuesday, 11 June 2019 7:57 AM
> To: li...@w2irt.net; li...@w2irt.net; Elecraft Reflector <
> elecraft@mailman.qth.net>
> Subject: [Elecraft] KPA1500 Power Supply Fan Noise
>
> More broadly, has there been any progress on reducing the piercing power
> supply fan noise on the KPA1500 when only using it as a tuner or an antenna
> switch?  I complained about this a year ago, and I find it completely
> unacceptable.  No set of noise-reducing headphones that I have tried works
> well enough to make the noise tolerable.  I've tried moving the PS deck
> around with minimal improvement.  This just doesn't seem to fit Elecraft's
> philosophy of a quiet operating environment.  Why do these fans have to
> operate at full throttle when there is minimal current draw from the rf
> deck?  Why do these fans create such a piercing high-pitched note? If there
> is no response from Elecraft, what have other ops done--short of moving the
> PS into an adjoining room--to mitigate the scream?
> Thanks,
> 73 Eric WD6DBM
>
> Sent from Yahoo Mail on Android
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Peter Hall]

Hello Eric

There's no doubt that a KPA1500 physical installation needs some careful 
attention to the noise aspect.  That said, I'm a bit surprised by your problem 
with the PSU fan.  I can certainly hear mine but, overall, the noise is 
entirely dominated by the RF deck fans.  I've located the PSU under my 
operating desk, which is made of a dense particleboard material.  The RF deck 
sits alongside my TS-890S transceiver on the desk.   I can hear the PSU fan if 
I put my head below desk level but, even then, I don't find the fan to be 
particularly high-pitched in its acoustic output.  Could you possibly have a 
faulty fan (maybe excess nearing noise)?

On the other hand, I do find the RF deck fans test my patience a bit, 
especially since the last round of major firmware updates which start the 
cooling at a lower heatsink temperature.  That probably works well in a 
high-output environment, where it no doubt delays the onset of heat soaking.  
But when the amplifier "loafs" in a low power, low duty cycle environment as it 
does in some of my applications. it just starts the noise prematurely.  It'd be 
great to see something like an "80m rag-chew" option for those times!

73, Peter (VK6HP).

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of eric norris via Elecraft
Sent: Tuesday, 11 June 2019 7:57 AM
To: li...@w2irt.net; li...@w2irt.net; Elecraft Reflector 

Subject: [Elecraft] KPA1500 Power Supply Fan Noise

More broadly, has there been any progress on reducing the piercing power supply 
fan noise on the KPA1500 when only using it as a tuner or an antenna switch?  I 
complained about this a year ago, and I find it completely unacceptable.  No 
set of noise-reducing headphones that I have tried works well enough to make 
the noise tolerable.  I've tried moving the PS deck around with minimal 
improvement.  This just doesn't seem to fit Elecraft's philosophy of a quiet 
operating environment.  Why do these fans have to operate at full throttle when 
there is minimal current draw from the rf deck?  Why do these fans create such 
a piercing high-pitched note? If there is no response from Elecraft, what have 
other ops done--short of moving the PS into an adjoining room--to mitigate the 
scream?
Thanks,
73 Eric WD6DBM

Sent from Yahoo Mail on Android
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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[Jim Brown]

On 6/11/2019 12:20 AM, turnbull wrote:

Eric, I do not understand your problem with the PS and audible noise.    The 
larger fans in my KPA1500 are quiet.   Any noise is at low freq.


Do you work keydown modes at high duty cycles, like RTTY contesting or 
WSJT-X modes where high power is needed (6M, 160M, for example)?  If you 
do a lot of meteor scatter or FT8 or moonbounce, especially on 6M where 
the efficiency is lowest, it doesn't take long for the fans to scream. 
And that's because they are small, which they must be to fit in the 
height dimension of the power amp.


73, Jim K9YC


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Re: [Elecraft] KPA1500 Power Supply Fan Noise

[turnbull]

Eric, I do not understand your problem with the PS and audible noise.    The 
larger fans in my KPA1500 are quiet.   Any noise is at low freq.    The RF deck 
does produce noise and I wish it did not.    My Sony noise cancelling phones 
handle this noise well.   Maybe your PS has faulty fans.   Are the bearings 
okay?    Please do not get annoyed with me but this is my experience.I suppose 
cooling junction temperatures low takes a lot of air.    My Acom 2000A tube amp 
is much quieter.73 Doug EI2CNSent from my Samsung Galaxy smartphone.
 Original message From: eric norris via Elecraft 
 Date: 11/06/2019  00:57  (GMT+00:00) To: 
li...@w2irt.net, li...@w2irt.net, Elecraft Reflector  
Subject: [Elecraft] KPA1500 Power Supply Fan Noise More broadly, has there been 
any progress on reducing the piercing power supply fan noise on the KPA1500 
when only using it as a tuner or an antenna switch?  I complained about this a 
year ago, and I find it completely unacceptable.  No set of noise-reducing 
headphones that I have tried works well enough to make the noise tolerable.  
I've tried moving the PS deck around with minimal improvement.  This just 
doesn't seem to fit Elecraft's philosophy of a quiet operating environment.  
Why do these fans have to operate at full throttle when there is minimal 
current draw from the rf deck?  Why do these fans create such a piercing 
high-pitched note?  If there is no response from Elecraft, what have other ops 
done--short of moving the PS into an adjoining room--to mitigate the 
scream?Thanks,73 Eric WD6DBMSent from Yahoo Mail on 
Android__Elecraft 
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