Re: [Elecraft] Please unsubscribe

[DAVID MOORMAN]

Have you tried the Elecraft-AX/KX/KH group?

Dave

> On Jul 6, 2024, at 9:43 PM, James  wrote:
> 
> No discussions take place about Elecraft rigs that I own like KX3  KH1 or 
> friend's KX2.
> Sure seems that the big rigs have a lot of problems - so it has been 
> educational.
> 73N8TT
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[Elecraft] For Sale: K4D-F with KAT4 Tuner

[David Needham]

Selling my K4D-F with KAT4 Tuner, Serial # 071X for sale. It is in pristine
condition and has been well cared for. It has always been kept in a clean,
smoke free, dry environment.

Running latest Production Software (Release 35).

Comes packed in the original Elecraft dual boxes and packing material.

Pictures available upon request.

Price: $5,600 includes free insured shipping in the US lower 48 states.

Please contact me OFF LIST.  AA4VT dot Dave at gmail dot com

Dave AA4VT

-- 
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David Needham, AA4VT
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[Elecraft] K3 Error Codes

[DAVID MOORMAN]

Is there a listing of K3 error codes available?  They don’t appear to be in the 
manual.

Dave  K9SW
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[Elecraft] Fwd: For Sale : Loaded Single Owner K3S with Second Receiver

[David Needham]

The K3S has been sold. Thanks to all that inquired
-- Forwarded message -
From: David Needham 
Date: Sat, May 11, 2024 at 12:25 PM
Subject: Fwd: For Sale : Loaded Single Owner K3S with Second Receiver
To: 


I will include a printed copy of the Fred Cady book "The Elecraft K3S and
P3 with the purchase of the K3S
Dave AA4VT
--

Selling my single owner loaded, dual receiver K3S/100. This is a genuine
K3S, not an upgraded K3. It comes from a non-smoking home and is in
excellent condition.



K3S/100 #113xx includes the following installed options:

- KRX3A, K3 2nd RX Module

- KAT3A, ATU for K3S

- KTCX03-1, K3 TCXO 1 ppm

- KBPF3A General-Coverage RX Filter Module

- KDVR3, Digital Voice Recorder

- MH2, Electret Hand Microphone

- All the latest firmware updates



Main Receiver filters:

- 6 kHz, 8 pole AM/ESSB filter

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter

- 500 Hz, 8 pole CW filter

- 250 Hz, 8 pole CW filter



Sub Receiver filters:

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter

- 500 Hz, 8 pole CW filter

- 250 Hz, 8 pole CW filter



Pictures emailed on request.



Price: $3,900 with free shipping. I will pay 100% of the cost for shipping
and insurance to the US lower 48 states.



Please contact me off list at AA4VT dot Dave at gmail dot com

-- 
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT
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[Elecraft] Fwd: For Sale : Loaded Single Owner K3S with Second Receiver

[David Needham]

I will include a printed copy of the Fred Cady book "The Elecraft K3S and
P3 with the purchase of the K3S
Dave AA4VT
--

Selling my single owner loaded, dual receiver K3S/100. This is a genuine
K3S, not an upgraded K3. It comes from a non-smoking home and is in
excellent condition.



K3S/100 #113xx includes the following installed options:

- KRX3A, K3 2nd RX Module

- KAT3A, ATU for K3S

- KTCX03-1, K3 TCXO 1 ppm

- KBPF3A General-Coverage RX Filter Module

- KDVR3, Digital Voice Recorder

- MH2, Electret Hand Microphone

- All the latest firmware updates



Main Receiver filters:

- 6 kHz, 8 pole AM/ESSB filter

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter

- 500 Hz, 8 pole CW filter

- 250 Hz, 8 pole CW filter



Sub Receiver filters:

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter

- 500 Hz, 8 pole CW filter

- 250 Hz, 8 pole CW filter



Pictures emailed on request.



Price: $3,900 with free shipping. I will pay 100% of the cost for shipping
and insurance to the US lower 48 states.



Please contact me off list at AA4VT dot Dave at gmail dot com

-- 
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT
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[Elecraft] Fwd: For Sale: P3 Panadapter with SVGA and TX Monitor

[David Needham]

The P3 SVGA has been sold

-- Forwarded message -
From: David Needham 
Date: Fri, May 10, 2024 at 12:13 PM
Subject: For Sale: P3 Panadapter with SVGA and TX Monitor
To: 


Selling my single owner, loaded P3. It comes from a non-smoking home and is
in excellent condition.



P3, Panadapter for K3, #46XX, which includes the following options:

- P3SVGA, P3 VGA SVGA Video/FFT Adapter

- P3TXMON, Transmit Monitor Option for P3

- DCHF-2000, Coupler, 1.8-54 MHz, 1-2000 W

- Original manual



Price: $950 with free shipping. I will pay 100% of the cost for shipping
and insurance to the US lower 48 states.



Pictures emailed on request.



Please contact me off list at AA4VT dot Dave at gmail dot com
--
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT
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[Elecraft] For Sale: P3 Panadapter with SVGA and TX Monitor

[David Needham]

Selling my single owner, loaded P3. It comes from a non-smoking home and is
in excellent condition.



P3, Panadapter for K3, #46XX, which includes the following options:

- P3SVGA, P3 VGA SVGA Video/FFT Adapter

- P3TXMON, Transmit Monitor Option for P3

- DCHF-2000, Coupler, 1.8-54 MHz, 1-2000 W

- Original manual



Price: $950 with free shipping. I will pay 100% of the cost for shipping
and insurance to the US lower 48 states.



Pictures emailed on request.



Please contact me off list at AA4VT dot Dave at gmail dot com
--
Thank you!
David Needham, AA4VT
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[Elecraft] For Sale : Loaded Single Owner K3S with Second Receiver

[David Needham]

Selling my single owner loaded, dual receiver K3S/100. This is a genuine
K3S, not an upgraded K3. It comes from a non-smoking home and is in
excellent condition.



K3S/100 #113xx includes the following installed options:

- KRX3A, K3 2nd RX Module

- KAT3A, ATU for K3S

- KTCX03-1, K3 TCXO 1 ppm

- KBPF3A General-Coverage RX Filter Module

- KDVR3, Digital Voice Recorder

- MH2, Electret Hand Microphone

- All the latest firmware updates



Main Receiver filters:

- 6 kHz, 8 pole AM/ESSB filter

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter

- 500 Hz, 8 pole CW filter

- 250 Hz, 8 pole CW filter



Sub Receiver filters:

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter

- 500 Hz, 8 pole CW filter

- 250 Hz, 8 pole CW filter



Pictures emailed on request.



Price: $3,900 with free shipping. I will pay 100% of the cost for shipping
and insurance to the US lower 48 states.



Please contact me off list at AA4VT dot Dave at gmail dot com

-- 
Thank you!
David Needham, AA4VT
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Re: [Elecraft] Anew k3 owner de ai5os.

[David Woolley]

On 03/05/2024 23:25, Justin Mann wrote:

I notice that the rig has the original 2.8K filter installed, so I’m
thinking that I should add a few more filter to optimize performance


You should first determine whether you are suffering a problem that will 
benefit from this.  XTAL filters will help if you are suffering from 
strong adjacent channel interference, but will degrade the pass band 
flatness, and, probably, the group delay characteristics (pulses will be 
more smeared out).  (I don't know if all the K3 filters are FIR, which 
is needed for ideal group delay behaviour.)



with some different modes.  Were I to add a 250 HZ CW filter would that
also work at 500 HZ?


An ideal 250Hz filter would limit the maximum bandwidth to 250 Hz.  It 
will be even less ideal than the DSP but will dominate the overall 
frequency response outside the 250 Hz (and even near the edges, within 
it).  I'd expect the response to be 10s of dB down before 500 Hz, maybe 
over 60.


--
David Woolley

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[Elecraft] For Sale: Single Owner K3S, P3-SVGA-TXMON, KPOD

[David Needham]

I am selling my single owner loaded, dual receiver K3S/100. This is a
genuine K3S, not an upgraded K3. It comes from a non-smoking home and is in
excellent condition. Pictures available upon request.



Includes the following:



- K3S/100 #113xx includes the following installed options:

- KAT3A, ATU for K3S

- KTCX03-1, K3 TCXO 1 ppm

- KBPF3A General-Coverage RX Filter Module

- KDVR3, Digital Voice Recorder

- KRX3A, K3 2nd RX Module

- KFL3A-2.8_2.7sw, 2.8 for 2.7 khz swap (x2)



Filters in Main Receiver:

- 6 kHz, 8 pole AM/ESSB filter (Inrad #710L)

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter (Inrad #709L)

- 500 Hz, 8 pole CW filter (Inrad #728L)

- 250 Hz, 8 pole CW filter (Inrad #708L)



Filters in Sub Receiver:

- 2.8 kHz 8 pole SSB filter

- 2.1 kHz, 8 pole SSB filter (Inrad #709L)

- 500 Hz, 8 pole CW filter (Inrad #728L)

- 250 Hz, 8 pole CW filter (Inrad #708L)



Includes MH2, Electret Hand Microphone



Includes all of the latest firmware:

MCU 05.67

FPF 01.26

DSP1 02.88

DSP2 02.88

DVR 01.03



K3S Price: $3,990 which includes me paying 50% of the cost for shipping and
insurance to the lower 48 states.



Also for sale:

P3, Panadapter for K3, #46XX, which includes the following options:

- P3SVGA, P3 Video/FFT Adapter

- P3TXMON, Transmit Monitor Option for P3

- DCHF-2000, Coupler, 1.8-54 MHz, 1-2000 W



P3/SVGA/TX Mon Price: $900 which includes me paying 50% of the cost for
shipping and insurance to the US lower 48 states.



K-Pod and flat cable for K3 in like new condition, with new KPOD Aux cable.
$325.00, which includes me paying 100% of the cost for shipping and
insurance to the lower 48 states.



Please contact me off list at AA4VT dot Dave at gmail dot com
-- 
Thank you!
David Needham, AA4VT
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[Elecraft] K5 beta testers

[David Pratt]

I was just wondering whether any of the K5 Beta Testers have taken out 
KF1VE as a vanity callsign?


73 de David G4DMP

--
 + - - - - - - - - - - - - - - - -  +
 | David M Pratt, Kippax, Leeds.|
 | Website: https://www.g4dmp.co.uk |
 + - - - - - - - - - - - - - - - -  +

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Re: [Elecraft] N-GEN replacement

[David Gilbert]

Here is a possibility:

https://www.analog.com/en/resources/design-notes/building-a-lowcost-whitenoise-generator.html

Dave   AB7E



On 3/30/2024 1:41 PM, Bruce Rosen wrote:

I see that Elecraft no longer sells the N-GEN wide band noise generator.
My N-GEN, which I built in 2010, seems to function no longer, so I'm
looking for a suitable replacement.  Kit form is fine.

Any suggestions would be appreciated.

- Bruce K1FFX

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Re: [Elecraft] K4D purchase

[David Christ]

Is the port forwarding needed on the client side or the server side or both?  
This could be a game killer.  The retirement community I live in is resistant 
to allowing port forwarding.  This would be the client side.  I have full 
control at the server side/

How do I keep track of this?  Is there a listwerv whereit is discussed?


David K0LUM

> On Mar 24, 2024, at 11:05 PM, Rick Tavan  wrote:
> 
> ...and remote control is working well K4-to-K4 in limited field test,
> coming soon to open Beta test. A computer app "VK4" is coming after that.
> It's the simplest remote control architecture in the industry -  fill in
> remote IP address and password on the client side, 1 or 2 port forwards and
> specify a password on the server side. It's a game changer.  A little more
> complicated if the server-side ISP uses CGNAT but manageable by anyone who
> has access to a teenage gamer.  ;-)
> 
> /Rick N6XI
> 
> On Sun, Mar 24, 2024 at 7:03 PM Jim Brown  wrote:
> 
>> On 3/24/2024 4:15 PM, Kevin McQuiggin wrote:
>> 
>>>> Comments from owners of k4D
>> 
>> I've had mine for 18-24 months. Like it a lot. Compared to K3S, better
>> filters, sound of the radio improved, thanks to what chips were
>> available 16 years later.
>> 
>> Only issue is RF feedback at rear panel 3.5mm jacks. I suspect it's
>> because the style of switched jacks the industry has used since at least
>> the '50s are no longer available, so they couldn't bond the shield at
>> the point of entry and had to add circuitry to do the switching.
>> 
>> And some features have yet to be implemented, like remote control.
>> 
>> 73, Jim K9YC
>> 
>> 
>> 
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> 
> 
> -- 
> --
> 
> Rick Tavan
> Truckee and Saratoga, CA
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Re: [Elecraft] Tip: Front Panel Illumination Tip

[David Thompson via Elecraft]

On 3/6/24 10:39 AM, Rick Tavan wrote:


Here is a small, LED, clip-on lamp that solved the problem for me:


Morning Rick...

Thanks for sharing your experience and the link. You're right about the 
front panel of my K3 and it is not getting better as I age. :/


On a side note, I find a good desk lamp useful in front of the rig (and 
other locations) as well. Particularly if I can arrange the light source 
such that it does not shine in my eyes.


The next question is: Is it radio quiet?

73 de AG7TX

--
David Thompson, AG7TX
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Re: [Elecraft] PCB Cleaning - followup

[David Gilbert]

Cold solder joints might be caused by a dirty solder PC board BEFORE the 
soldering was done, but I can't think of a single reason why a good 
solder joint would turn into a cold one from crud on the board.  I would 
be curious where you read that myth.


Dave   AB7E


On 3/5/2024 3:33 AM, Harold Howells wrote:

I may have answered my own question by going back through the first part of the 
manual.  It emphatically says to not use any solvents at risk of voiding the 
warranty,  I have read before though that cold solder joints can result from 
dirty circuit boards.  Any thoughts?  Thanks.   HH
  


Harold Howells
hhowe...@intrq.com




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Re: [Elecraft] AX1 40 meter coil with KH1

[David Thompson via Elecraft]

On 3/5/2024 9:28 AM, William Combs via Elecraft wrote:


I was wondering if the 40 meter coil from the AX1 could be used with
the KH1.


Howdy William...

I use the AXE with the KH1 for 40m with the 32ft counterpoise from the 
AXE kit. I am able to get a good enough match to operate on 40m and have 
made POTA contacts with that setup.


When I move to the higher bands, I just leave the long counterpoise 
connected. The KH1 doesn't mind and matches the higher bands fine.


I have not kept notes on my matched SWR readings, but I should. I'm 
usually wanting to get the activation moving and get it done. Maybe I 
should just take the little rig out in the front yard and play a little. ;)


73 de AG7TX

--
David Thompson, AG7TX

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Re: [Elecraft] Fw: K2 'CAL TPA' setting maxed out

[David Haines]

Correlation is not causation, of course, but my KX3 MIC setting was 
changed to 0 after a Windoze update two different times.  It didn't 
happen with the latest update.  I can't even imagine how that could 
happen, but when I mentioned it to my son, a professional in 
cybersecurity, he wasn't surprised.  And don't get me started on COM ports!


david
KC1DNY


On 2/17/2024 11:38 AM, Jim KO5V wrote:

Mike and David,

Thanks for your replies. I transmitted into a dummy load once the radio had 
recovered. I switched to the antenna and worked a couple of stations without 
any trouble.

The rig is connected to my Win 10 machine for logging (N3FJP AC log). This 
computer has been a real challenge since I upgraded it from Win 7 to 10. I can 
no longer control its desire to automatically update - it has beaten me...

There have been some issues with COM port assignments after an update, but I 
have not seen anything else that that has affected the radio. However, I won't 
rule that out as a possibility.

I'm leaning toward RFI as the cause. I think this was the only setting that 
changed - but why that one?

73, Jim  KO5V
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Re: [Elecraft] K2 'CAL TPA' setting maxed out

[David Haines]

When Windows updates it sometimes changes my KX3 settings.  Not exactly 
something you would think of when trying to diagnose a problem with the 
radio.  If your K2 is connected to Windows in any way, that might be the 
explanation.


73,

david
KC1DNY

On 2/16/2024 11:58 PM, Jim KO5V wrote:

Good Evening,

As I was talking on 20M SSB tonight, my K2/100 started to get a bit twitchy 
when I transmitted. The power was set to just below 100W. I started seeing an 
intermittent 'High Current' error message, which then changed to a constant 
'Hot PA' error. I have an intermittent RFI problem on 20M (which I thought I 
had solved), so that might have returned and caused this problem.

I tried matching the antenna with the KAT100. It would not arrive at any 
solution - there were no relays clicking. I had to press the 'tune' button 
again to stop it. Toggling the power on the rig made no difference.

So I searched the list's archives, and found a thread where Don mentioned the 'CAL TPA' 
menu. I found that it was at its maximum setting of 150C - I have set this parameter 
twice since building the radio 7 years ago. Resetting it to about room temp fixed the 
problem, and the radio now behaves normally. I also checked "CAL Cur", and it's 
still set to 3.50.

So, it is working again, but why did the 'CAL TPA' setting go to it's max? Is 
there a known problem? Maybe it's a glitch from the RFI, but I thought I should 
ask just in case there is something else I should check.

Thanks. 73,

Jim KO5V
Cedar Crest, NM
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Re: [Elecraft] KH1 firmware rev. 1.24 now available (CW/SSB cross-mode)

[David Thompson via Elecraft]

On 2/5/24 11:33 AM, Wayne Burdick wrote:


Rev. 1.24 of the KH1 firmware provides this CW/SSB cross-mode
capability. There are no settings needed for this:


Wayne...

I just wanted to say thank you for making this addition. One of the 
features of my KX1 that is always appreciated is its ability to receive 
SSB and respond. I've checked in to some of those 40m nets from the 
field with the KX1 and that is always fun.


My KH1 shipped yesterday and I'm really looking forward to taking it 
into the field.


Elecraft is much appreciated sir.

73 de AG7TX

--
David Thompson, AG7TX
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[Elecraft] Fwd: KPA1500 SOLD

[David Needham]

The KPA1500 is sold. Thank you to all that inquired.

73,
Dave AA4VT
‐---‐--
I am selling my KPA1500 Amplifier. It comes from a non-smoking, no pet home
and is in excellent condition. Pictures available upon request.

I am the original owner of Serial number 0162, purchased new 8/25/2017.
Includes manual (autographed by Wayne and Eric), cables and KPA to K3 Aux
Cable.


Returned from Elecraft in May off 2022 with the latest updates and
upgrades. Full output with no problems. Latest production firmware 2.67
installed.


Comes in the original shipping carton. Will split the cost of insured
shipping to US lower 48.


Price $5,500, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.


Please contact me off list at:  AA4VT dot dave at gmail dot com
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[Elecraft] Fwd: KPA1500 For Sale (update)

[David Needham]

I am selling my KPA1500 Amplifier. It comes from a non-smoking, no pet home
and is in excellent condition. Pictures available upon request.


I am the original owner of Serial number 0162, purchased new 8/25/2017.
Includes manual (autographed by Wayne and Eric), cables and KPA to K3 Aux
Cable.


Returned from Elecraft in May off 2022 with the latest updates and
upgrades. Full output with no problems. Latest production firmware 2.67
installed.


Comes in the original shipping carton. Will split the cost of insured
shipping to US lower 48.


Price $5,500, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.


Please contact me off list at:  AA4VT dot dave at gmail dot com

--
Thank you!
Dave, AA4VT


-- 
Thank you!
David Needham, AA4VT
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[Elecraft] KPA1500 For Sale

[David Needham]

I am selling my KPA1500 Amplifier. It comes from a non-smoking, no pet home
and is in excellent condition. Pictures available upon request.


I am the original owner of Serial number 0162, purchased new 8/25/2017.
Includes manual (autographed by Wayne and Eric), cables and KPA to K3 Aux
Cable.


Returned from Elecraft in May off 2022 with the latest updates and
upgrades. Full output with no problems. Latest production firmware 2.67
installed.


Will split the cost of insured shipping to US lower 48.


Price $5,500, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.


Please contact me off list at:  AA4VT dot dave at gmail dot com

--
Thank you!
Dave, AA4VT
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Re: [Elecraft] Big Screen for K4

[David Bunte]

Alan -

I am sure others will weigh in with more detail, but I feed an external
monitor via the HDMI out from the K4D and it can be setup to 'mirror' the
K4D, or to just display the waterfall. If there are more options I don't
recall.

GL de Dave K9FN


On Tue, Jan 30, 2024 at 7:47 PM Alan Geller via Elecraft <
elecraft@mailman.qth.net> wrote:

>   I am in the process of listing my superb K3/P3 in order to purchase a
> K4. I have watched Eric’s
> Videos demoing the K4 and there is always a large screen display connected
> to the K4. I planned
> To keep my K4 setup clean and simple but the plethora of 24 inch TV’s on
> sale for under $100
> Is speaking to me.
>So, I even think this is a dumb question, but if the std “video” port
> on the back panel of the K4 can
> Use a std cable to  a TV set vs a “Monitor”, does the basic digital video
> mirror the front panel display?
> Thanks for any help.
>
> Alan/K6ADG
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Re: [Elecraft] Dust Covers

[David Rutledge via Elecraft]

www.jse-repair.com866-457-3777sa...@jse-repair.com
Try these. I just received a cover for my Alpha 87A. Very nice work.73,DavidAL5M


Sent from Yahoo Mail for iPhone


On Saturday, January 20, 2024, 1:36 PM, David Bunte  wrote:

Ron -

I searched the best I know how and can’t find JSE repair. Do you have valid
contact info?

Thanks,

Dave - K9FN

On Sat, Jan 20, 2024 at 2:26 PM Ron KF7ZN  wrote:

> JSE repair, I have dust covers for all of my gear and have been very
> pleased.
>
> *Have a nice day!*
> Ron Wilcox KF7ZN
> RN, BHS, BSN, CCM
> Ham Radio Volunteer Examiner
> Vice President Utah DX Association
> HamSCI
>
>
> On Sat, Jan 20, 2024 at 12:19 PM Mike Rees  wrote:
>
> > I purchased a used SP3.  The seller included a denim dust cover.  I have
> > not been able to find a source for additional covers.  I want covers for
> my
> > K3s, P3, and 2nd SP3.  I would appreciate a point of contact.
> >
> > --
> > 73
> > Mike
> > N6YSK
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> >
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Re: [Elecraft] Dust Covers

[David Bunte]

Ron -

I searched the best I know how and can’t find JSE repair. Do you have valid
contact info?

Thanks,

Dave - K9FN

On Sat, Jan 20, 2024 at 2:26 PM Ron KF7ZN  wrote:

> JSE repair, I have dust covers for all of my gear and have been very
> pleased.
>
> *Have a nice day!*
> Ron Wilcox KF7ZN
> RN, BHS, BSN, CCM
> Ham Radio Volunteer Examiner
> Vice President Utah DX Association
> HamSCI
>
>
> On Sat, Jan 20, 2024 at 12:19 PM Mike Rees  wrote:
>
> > I purchased a used SP3.  The seller included a denim dust cover.  I have
> > not been able to find a source for additional covers.  I want covers for
> my
> > K3s, P3, and 2nd SP3.  I would appreciate a point of contact.
> >
> > --
> > 73
> > Mike
> > N6YSK
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
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> >
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> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to rgloga...@gmail.com
> >
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Re: [Elecraft] KAT 500 Loses Match

[David Woolley]

The receive part of the penalty, from a lossy antenna, only applies if 
the dominant noise source is after the point of attenuation.  That's not 
generally true at HF.


(I wonder if, at microwave frequencies, it is possible to use 
circulators and isolators to put passive losses in on only the transmit 
path.)


--
David Woolley

On 14/01/2024 05:16, Ken WA8JXM wrote:
Unless its something like a log periodic, I think anything with those 
frequency/SWR specs can only do it with high resistive losses.  It 
reminds me of the HF dipole B makes for the military: it is designed 
to appear to have a low SWR by having 3 db of  resistive losses.  The 
military considered that an acceptable design.   Remember, antenna 
losses affect TX and  RX, so that's 6 db system loss.


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Re: [Elecraft] KAT 500 Loses Match

[David Gilbert]

If you were putting 200 watts into it on FT8 that's almost three times 
the manufacturers rating and you're lucky you didn't fry it.


Dave   AB7E


On 1/14/2024 1:18 PM, Michael Reynolds, NO6O wrote:
Actually, I was only putting around 200 into the antenna, and it's 
doing fine.  I've been continuing to make digital contacts without the 
amp and tuner.  The antenna works great for me.  I reached 50 
countries during the past few weeks of testing.  Fortunately, I fully 
understand what was going wrong.


Michael, NO6O


On 2024-01-14 1:03 PM, David Gilbert wrote:


Fully agree.  The specs for the CHA-250B say a maximum of 75 watts 
for digital modes ... i.e., continuous duty modes.  That pretty much 
says what the actual heat dissipation capability is.  If he was 
trying to put 500 watts into his antenna in almost any mode, it is 
probably toast ... figuratively and literally.


Dave AB7E


On 1/14/2024 8:17 AM, Morgan Bailey wrote:
The Cha250 b is NOT an antenna capable of greater than 100 watts for 
any
length of time. It is a 5:1 unun hooked to a 23 foot aluminum 
radiator. It
needs to be 30 feet in the air and if that happens it will function 
like a
vertical OCFD. Still it is only good for 100 watts. When running a 
tuner
with the KAT500 and KPA500 you are heating up the puny unun and the 
cores

are totally being fried. Plus the reactance probably is generating high
voltage on the short radiator causing arcs across any of the many
connections inside the matching section. A guy fried a base section 
and I
have it in the garage. That is your problem. I have owned 2 of the 
antennas

and as such they work in a pinch and work well for fast POTA activation
with 100 watts but other than that they are pretty much a megga 
compromise
antenna. You would be way better off with a 998 mfg remote tuner and 
a 43

foot vertical over a radial field. Check out the Zero5 antennas for the
cheapest durable 43foot vertical solution. 73, Morgan NJ8M
BS + MS + $2.98 = COFFEE
Real Life Experience = Priceless, says the man who set his back yard on
fire with a breadboard tuner loading a 160 meter inverted L with 1000
watts. LOL



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Re: [Elecraft] KAT 500 Loses Match

[David Gilbert]

Fully agree.  The specs for the CHA-250B say a maximum of 75 watts for 
digital modes ... i.e., continuous duty modes.  That pretty much says 
what the actual heat dissipation capability is.  If he was trying to put 
500 watts into his antenna in almost any mode, it is probably toast ... 
figuratively and literally.


Dave AB7E


On 1/14/2024 8:17 AM, Morgan Bailey wrote:

The Cha250 b is NOT an antenna capable of greater than 100 watts for any
length of time. It is a 5:1 unun hooked to a 23 foot aluminum radiator. It
needs to be 30 feet in the air and if that happens it will function like a
vertical OCFD. Still it is only good for 100 watts. When running a tuner
with the KAT500 and KPA500 you are heating up the puny unun and the cores
are totally being fried. Plus the reactance probably is generating high
voltage on the short radiator causing arcs across any of the many
connections inside the matching section. A guy fried a base section and I
have it in the garage. That is your problem. I have owned 2 of the antennas
and as such they work in a pinch and work well for fast POTA activation
with 100 watts but other than that they are pretty much a megga compromise
antenna. You would be way better off with a 998 mfg remote tuner and a 43
foot vertical over a radial field. Check out the Zero5 antennas for the
cheapest durable 43foot vertical solution. 73, Morgan NJ8M
BS + MS + $2.98 = COFFEE
Real Life Experience = Priceless, says the man who set his back yard on
fire with a breadboard tuner loading a 160 meter inverted L with 1000
watts. LOL



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Re: [Elecraft] KAT 500 Loses Match

[David Gilbert]

The only thing that has a flat 1:1 SWR from 80m to 6m is a good quality 
dummy load.


Dave   AB7E



On 1/12/2024 10:28 PM, Michael Reynolds, NO6O wrote:

Greetings,

I joined this list today, after sending a message to Elecraft support, 
describing a similar problem.  I have an Icom IC-7610, with the KPA500 
and KAT500, and my SWR spontaneously climbs into the red sometimes 
during transmissions.  It takes some effort to correct it, and I 
typically lose a QSO in the process.  The relays go nuts trying to 
re-tune, and sometimes produces a fault condition. Usually, I can 
correct it by restarting both the amplifier and tuner.  I have a Comet 
CHA-250HD, which has a almost a flat 1.1 SWR from 80m to 6m.  I don't 
need a tuner while barefoot.  However, when I first hooked up the 
KPA500, the SWR was not flat, and added the KAT500 this week, which 
led to my SWR issue.


I hope the cause and resolution can be determined.

Michael
NO6O

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Re: [Elecraft] KAT 500 Loses Match

[David Gilbert]

I just realized you said 30m.  Why are you running the amplifier ("max 
power") on 30m??


Dave   AB7E


On 1/12/2024 2:46 PM, Paul Ecker wrote:

I am experiencing a new problem for me, with my KAT 500. So far I've
noticed this issue on 30M. I am using a dipole cut only for 30M with an SWR
of 1.2 to 1.3 max SWR across the band. I “trained the tuner” at 20khz
segments on 30M.

Setup is K4D, KAT 500 & KPA 500. Win 10 pc.

Running CW, I can start transmitting and all is fine- my LP100A is showing
1.2 SWR and am getting max power out of the radio. Then all of sudden the
SWR jumps to >9.0. The KAT starts chattering and finds a new match. But if
I start transmitting again – pwr out is only about 10 W at that new match,
and eventually the tuner becomes untuned again. Sometimes, it will then
hold the tune but still only getting abt 9-10w power out. The issue occurs
with KPA500 both on and off.

Does this sound like a KAT 500 problem or maybe an RFI problem.


73 Paul

w2eck

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Re: [Elecraft] KAT 500 Loses Match

[David Gilbert]

That sounds EXACTLY like an arc over somewhere past your KAT500.  Could 
be a connector, the coax, the connection to the dipole, or any similar 
spot, but my bet would be the connection to the connector or the 
connector itself.


Dave  AB7E



On 1/12/2024 2:46 PM, Paul Ecker wrote:

I am experiencing a new problem for me, with my KAT 500. So far I've
noticed this issue on 30M. I am using a dipole cut only for 30M with an SWR
of 1.2 to 1.3 max SWR across the band. I “trained the tuner” at 20khz
segments on 30M.

Setup is K4D, KAT 500 & KPA 500. Win 10 pc.

Running CW, I can start transmitting and all is fine- my LP100A is showing
1.2 SWR and am getting max power out of the radio. Then all of sudden the
SWR jumps to >9.0. The KAT starts chattering and finds a new match. But if
I start transmitting again – pwr out is only about 10 W at that new match,
and eventually the tuner becomes untuned again. Sometimes, it will then
hold the tune but still only getting abt 9-10w power out. The issue occurs
with KPA500 both on and off.

Does this sound like a KAT 500 problem or maybe an RFI problem.


73 Paul

w2eck
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Re: [Elecraft] My KPA-500

[David Gilbert]

That which works fine at 100 watts might not work fine at 500. There 
have been several examples of that here in the past.  I suggest checking 
your KPA500 into a decent dummy load (shortest connection possible) 
before assuming it has gone bad.


That being said, if it is indeed the amp I'd look at capacitors first, 
especially any that are used on all of the bands.


Dave   AB7E



On 1/10/2024 1:10 PM, Ted Edwards W3TB wrote:

My trusty KPA-500 has started acting up.
Only 100 watts on 160m and 80m, and it takes more drive on the other bands.
What's the good idea on this?

Yes, the antennas check out fine for 160 and 80.
Good measurement numbers and working fine directly from the K3.

Thanks!


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[Elecraft] Availability of KH1 at major hamfests

[David Wilcox via Elecraft]

I will ask this again. I did not see a response earlier.  I know the supply 
chain of the KH1 is limited right now. 

BUT will Elecraft be bringing any KH1s to Xenia just to sell there like they 
have other rigs in the past?  By May hopefully the supply issue should be more 
stable. 

Dave K8WPE since 1960

David J. Wilcox’s iPad
Traverse City, Michigan/St. Augustine, FL. 
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Re: [Elecraft] SALE > Elecraft KX3-2M Transverter Board Option.

[David Satterwhite via Elecraft]

So... it's not for sale? 

Sent from Yahoo Mail on Android 
 
  On Fri, Dec 22, 2023 at 13:37, Jerry Moore wrote:   I 
still haven't taken the time to get the value of my setup.. maybe after the 
first of the year. 


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of ken057...@gmail.com
Sent: Friday, December 22, 2023 3:57 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] SALE > Elecraft KX3-2M Transverter Board Option.

Hello all,
I have the KX3-2M Transverter option board for sale. It's about four years old.
I don't need the board for 2m FM and putting up a large outdoor beam for SSB at 
this HOA location isn't possible. 
During testing, it receives and transmits fine on my attic vertical into local 
repeaters.
Removed it from the KX3 while following the manual and ESD procedures.
A hard copy of the installation/operating manual is included.
Photos available.
I think Elecraft is up to $300.00 for this board!
No returns or refunds for all the standard reasons.

$185.00 shipped to CONUS only.
Shipping prices are just out of site now!
PayPal, friends/family, Zelle, Postal Money order or a cleared personal check 
are all ok.
Thanks for looking,
Ken, W2GIW


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Re: [Elecraft] K2 SSB Power Overshoot on First Syllable

[David Woolley]

This is all, unfortunately, in the proprietary part of the K2, the 
firmware. The K2 doesn't have a gain calibration tables, and I'm not 
sure if it even saves gain settings between transmissions.


With CW it will know that the first transmit level it sees is full 
power, so my guess is that it starts low and builds up to that, but for 
SSB, it won't know when the peak has been reached, so it is going to set 
the transmit gain before it reaches peak and then back it off, but there 
will be a delay in backing it off.  Remember it is primarily a CW 
transmitter.


I would guess, to minimise this, you should set your audio drive levels 
low enough that it gets the correct power open loop.


To make things safe for your amplifier, I guess you would have to add an 
attenuator, so that maximum power will not overdrive the amplifier. 
However, I'm not sure that running at maximum power is good for clean 
signals.


I don't know if there is any open loop control between the power control 
and the transmit gain, or whether it totally relies on closed loop power 
control.  Any open loop control would have to be a compromise, because 
of production spreads in the gain, so, on most instances, would end up 
too high, so as not to limit the maximum output.


I believe there is a gain calibration procedure on the K3 and K4, that 
allows those to make a reasonable open loop power setting at the start 
of a transmission.


--
David Woolley (owner K2 06123)

On 18/12/2023 22:42, Karin Johnson wrote:

Has anyone ever figured out why the Elecraft K2, either base version or with
KPA100 amplifier, has a pronounced
power overshoot on the first syllable using SSB.  I did an internet search
for this problem and did not find
a lot of discussion about it.  Difficult to use an external high power
amplifier as the amplifier may trip on
excessive drive.  My Elecraft K2 works just fine on CW.


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Re: [Elecraft] [Elecraft-AX/KX/KH] Elecraft 80M SSB Net Announcement

[David Pratt]

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Re: [Elecraft] Configuration of K3 Utility app

[David Fleming via Elecraft]

 ~/Library/Preferences/K3UtilPrefs

73,

David, W4SMT

On Friday, December 15, 2023 at 07:56:16 PM EST, Don Putnick 
 wrote: 

I'm moving the K3 files from an old MacBook Pro to a new one. They were
easy to find in the ~/Library/Applications Support/Elecraft folder. But
what about the configuration of the K3 UTILITY itself? In other words,
where are the utility terminal/macros stored? Thanks much and Happy
Holidays.
73 Don NA6Z
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Re: [Elecraft] K4 Remote Lives and Breathes!

[David Gilbert]

That makes sense.

Dave   AB7E



On 12/14/2023 11:23 AM, Mark Musick wrote:

Dave,
That is not what that configuration is about.
What this is for is for those remote stations that have a K4 and have many 
remote operators.
We have a local remote station here in Indy that has a K4 and several of the 
Remote operators have K4s. Now they can operate remotely from home as if they 
were at the remote site.

73,
Mark, WB9CIF

-Original Message-
From:elecraft-boun...@mailman.qth.netOn 
Behalf Of David Gilbert
Sent: Thursday, December 14, 2023 17:44
To:elecraft@mailman.qth.net
Subject: Re: [Elecraft] K4 Remote Lives and Breathes!



I thought that what people really wanted was the promised app that would let 
users remotely control the K4 from their desktop or other device.

Buying two K4s seems like a very financially inefficient way to go. 
Bidirectionality doesn't sound like a practical plus.

Dave   AB7E


On 12/14/2023 9:19 AM, Rick Tavan wrote:

Many ops have been anxiously awaiting the arrival of K4 Remote.
Although it's not yet available for general release, several field
testers have been exercising it. (K4-to-K4, not K4/0 or PC-based VK4
although those are in progress inside Elecraft.) I've made over a
thousand remote contacts with it, mainly CW contesting but also DXing,
ragchews, SSB and FT8, and can say
this:

*THE HARD STUFF IS DONE!*


I have K4 radios at a mountain QTH and a valley QTH and either one can
connect to and use the other. It feels almost like local, better than
K3 Remote with microBit RRCs. Some features and "corner cases" remain
and Elecraft programmers are hard at work on them.

Some highlights:

 - Cabling changes required: *ZERO* - leave both stations in their local
 configuration. You do need a way to turn on a remote K4. I'm using N6TV
 "K-ON" dongles and remote power switches. I think you can also do it from a
 connected KPA1500 and KPA1500 Remote. No need to leave anything powered on
 when not in use.
 - It's *dead simple* to connect - just specify an IP address on the
 client (control) K4 and set up one port forward on the LAN router at the
 server (remote radio) site. Passwords will prevent unwanted intrusion.
 (Compare to over 100 parameters that have to be set up between pairs of
 RRCs - and they only work one-way!)
 - Connection takes about a second.
 - It's bi-directional - any K4 anywhere can control any other K4
 anywhere. No hardware asymmetry.
 - CW sidetone and Voice monitor are local, so unaffected by latency.
 - Use the keyer inside the client K4 or an external keyer.
 - Plays nicely with loggers like N1MM. They see the local K4 and don't
 realize it's controlling a remote radio.
 - You can update the firmware in both radios from the K4 at either site.
 - ... and more

I've been an avid remote op for a decade now and this is better than I
expected, like K4 itself well worth the wait. Hang in there, folks,
it's really coming. Really.

73,

/Rick N6XI

--

Rick Tavan
Truckee and Saratoga, CA
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Re: [Elecraft] K4 Remote Lives and Breathes!

[David Gilbert]

I thought that what people really wanted was the promised app that would 
let users remotely control the K4 from their desktop or other device.


Buying two K4s seems like a very financially inefficient way to go.  
Bidirectionality doesn't sound like a practical plus.


Dave   AB7E


On 12/14/2023 9:19 AM, Rick Tavan wrote:

Many ops have been anxiously awaiting the arrival of K4 Remote. Although
it's not yet available for general release, several field testers have been
exercising it. (K4-to-K4, not K4/0 or PC-based VK4 although those are in
progress inside Elecraft.) I've made over a thousand remote contacts with
it, mainly CW contesting but also DXing, ragchews, SSB and FT8, and can say
this:

*THE HARD STUFF IS DONE!*


I have K4 radios at a mountain QTH and a valley QTH and either one can
connect to and use the other. It feels almost like local, better than K3
Remote with microBit RRCs. Some features and "corner cases" remain and
Elecraft programmers are hard at work on them.

Some highlights:

- Cabling changes required: *ZERO* - leave both stations in their local
configuration. You do need a way to turn on a remote K4. I'm using N6TV
"K-ON" dongles and remote power switches. I think you can also do it from a
connected KPA1500 and KPA1500 Remote. No need to leave anything powered on
when not in use.
- It's *dead simple* to connect - just specify an IP address on the
client (control) K4 and set up one port forward on the LAN router at the
server (remote radio) site. Passwords will prevent unwanted intrusion.
(Compare to over 100 parameters that have to be set up between pairs of
RRCs - and they only work one-way!)
- Connection takes about a second.
- It's bi-directional - any K4 anywhere can control any other K4
anywhere. No hardware asymmetry.
- CW sidetone and Voice monitor are local, so unaffected by latency.
- Use the keyer inside the client K4 or an external keyer.
- Plays nicely with loggers like N1MM. They see the local K4 and don't
realize it's controlling a remote radio.
- You can update the firmware in both radios from the K4 at either site.
- ... and more

I've been an avid remote op for a decade now and this is better than I
expected, like K4 itself well worth the wait. Hang in there, folks, it's
really coming. Really.

73,

/Rick N6XI

--

Rick Tavan
Truckee and Saratoga, CA
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Re: [Elecraft] User's Dilemma

[David Gilbert]

People have been requesting that for years, but I've never even seen a 
response from Elecraft on it.  I doubt they will this time either.  They 
clearly aren't interested in setting up a third party repair center.


Dave   AB7E


On 12/14/2023 8:38 AM, Pete Smith N4ZR wrote:
I love my K3/KPA-1500, and most all the Elecraft owners I know of 
around here share this enthusiasm.  Since the pandemic, though, the 
service department seems to be over-stressed, with delays of 5-7 weeks 
before repairs are begun seeming common.  For us on the East coast, 
you can add another 2 weeks for shipping.


I wonder if maybe it's time for Elecraft to lighten the burden in 
Watsonville by empowering someone else (maybe on the East Coast) to do 
repairs.



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Re: [Elecraft] K3S Receiver Spurious

[David Gilbert]

Is your K3S connected to a computer (or some other significant piece of 
electronics), and if so, are they tightly and closely bonded together 
chassis wise?


73,
Dave   AB7E



On 12/3/2023 8:11 PM, Michael Tope wrote:

Hi All,

I noticed when operating the ARRL 160 contest this weekend that my K3S 
has developed a nasty case of what appears to be some sort of LO 
spurious. When tuning across strong signals, I can now hear a 
low-level buzz (like phase noise reciprocal mixing) as I tune off them 
followed by a distinct tone peak 400 Hz off the fundamental frequency 
(as if there is a discrete spurious at that offset from the carrier 
frequency). I had noticed that a few days or weeks ago on one signal 
and dismissed it as being someone with a dirty transmit signal. After 
tuning across a number of strong signals on 160 and seeing the same 
phenomenon, it is clear that the problem is coming from my rig.


I don't know if the problem is showing up on my transmit signal as I 
haven't received any reports that I have a dirty transmit signal. I 
just listened to my carrier on a WebSDR and it sounds clean and I 
don't see any sidebands on the waterfall, so I think it may be 
confined to receive only.


So far I have been troubleshooting this remotely over the internet, so 
I haven't had a chance to twist knobs or look at the hidden menus 
carefully. Any ideas as to what might be causing this? Is there some 
problem common to the K3S that manifests itself like this?


Thanks & 73,

Mike W4EF...

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Re: [Elecraft] Noise from KAT500?

[David Woolley]

Most switch mode supplies have transformers. The weight differences 
reflects the difference between a large mass of laminated iron, and a, 
small, ferrite toroid. Using a higher frequency allows a less bulky 
transformer.


--
David Woolley

On 03/12/2023 04:54, David Gilbert wrote:


The ones I measured just a couple of months ago were way too small and 
light to have a transformer in them, and they were horrible.  In any 
case, I recommend that anyone using a wall wart for other than its 
intended equipment (or any standalone new one) be sure to check it for 
both noise and no load voltage regulation.  It's quick and easy to do 
and could save a lot of headaches.


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Re: [Elecraft] Noise from KAT500?

[David Gilbert]

The ones I measured just a couple of months ago were way too small and 
light to have a transformer in them, and they were horrible.  In any 
case, I recommend that anyone using a wall wart for other than its 
intended equipment (or any standalone new one) be sure to check it for 
both noise and no load voltage regulation.  It's quick and easy to do 
and could save a lot of headaches.


73,
Dave  AB7E



On 12/2/2023 9:09 PM, Victor Rosenthal 4X6GP wrote:
This is usually true of the linear type of wall-wart, which is the 
quiet kind! They generally are composed of just a transformer, 
rectifier, and capacitor.They are almost extinct these days, but I 
look for discarded ones for use with equipment for which it is safe to 
use an unregulated power source.
The switching types mostly are well-regulated, but of course they are 
often noisy.


73,
Victor, 4X6GP
Rehovot, Israel
formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 03/12/2023 5:33, David Gilbert wrote:


Most of them have almost no reliable voltage regulation either. They 
are typically designed for a certain load, and if they don't see that 
load the voltage is much higher than rated.  I've tested dozens of 
these things (I tend not to throw anything away) and it's fairly 
typical that a 12 volt rated wall wart power supply presents 16 to 18 
volts (or higher) no load.  That can be death to a piece of 12 volt 
gear that doesn't draw much current.


Dave   AB7E



On 12/2/2023 8:25 PM, Jim Brown wrote:


99.9% of stuff that plugs into the wall has a Switch-mode power 
supply, most of which are varying degrees of noisy. They were 
mandated to save energy about 20 years ago, but thanks to small 
government, the FCC has no money to enforce their Rules that they be 
quiet. So they aren't.


A typical home has several dozen of them, either in the form of wall 
warts and line lumps or built into equipment and appliances. Rather 
than buying bigger and better anything for our station, our time and 
money is far better spent identifying and replacing as many as 
possible of these nasty noise sources.


There's a tutorial on my website, k9yc.com/publish.htm  about how to 
find and replace them. All of the 12V gear in my shack runs on two 
big batteries that are float charged by re-purposed Thinkpad power 
supplies using Genasun charge regulators. A 100Ah LiFePO4 runs the 
rigs, a 100Ah Sealed Lead Acid runs the rest of the stuff.


73, Jim K9YC

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Re: [Elecraft] Noise from KAT500?

[David Gilbert]

Most of them have almost no reliable voltage regulation either. They are 
typically designed for a certain load, and if they don't see that load 
the voltage is much higher than rated.  I've tested dozens of these 
things (I tend not to throw anything away) and it's fairly typical that 
a 12 volt rated wall wart power supply presents 16 to 18 volts (or 
higher) no load.  That can be death to a piece of 12 volt gear that 
doesn't draw much current.


Dave   AB7E



On 12/2/2023 8:25 PM, Jim Brown wrote:


99.9% of stuff that plugs into the wall has a Switch-mode power 
supply, most of which are varying degrees of noisy. They were mandated 
to save energy about 20 years ago, but thanks to small government, the 
FCC has no money to enforce their Rules that they be quiet. So they 
aren't.


A typical home has several dozen of them, either in the form of wall 
warts and line lumps or built into equipment and appliances. Rather 
than buying bigger and better anything for our station, our time and 
money is far better spent identifying and replacing as many as 
possible of these nasty noise sources.


There's a tutorial on my website, k9yc.com/publish.htm  about how to 
find and replace them. All of the 12V gear in my shack runs on two big 
batteries that are float charged by re-purposed Thinkpad power 
supplies using Genasun charge regulators. A 100Ah LiFePO4 runs the 
rigs, a 100Ah Sealed Lead Acid runs the rest of the stuff.


73, Jim K9YC

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Re: [Elecraft] KAT500 beta 2.16

[DAVID GREEN via Elecraft]

Based on the release notes, I think this means that the Yaesu FTDX3000 (and 
others)  can operate in enhanced mode, like the Kenwood, with both frequency 
and band data.  Is that correct?  If so, what kind of cabling is needed for the 
Yaesu for enhanced mode?  Can enhanced mode function if another device (pc 
running MacLogger via USB) is also polling?

73,
David W2MZ

> On Nov 12, 2023, at 9:34 AM, Andy Durbin  wrote:
> 
> Now available for download.  Includes bug fixes for tune hangup and Kenwood 
> memory channel frequency.
> 
> https://elecraft.com/pages/kat500-fully-automatic-tuner-firmware-and-utility
> 
> 
> 73,
> Andy, k3wyc
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Re: [Elecraft] K3S Split Operation

[David Gilbert]

There is a small arrow immediately to the right of the small "SPLIT" 
balloon.  It says "TX" above the arrow and points to the transmit 
frequency.  At least I see that on my K3 even when I haven't activated 
the subreceiver with the "SUB" button.


Dave   AB7E



On 11/5/2023 9:27 PM, Richard wrote:

OK, good idea.

1. I tune the DX station normally.
2. I tap A>B to copy A frequency to B.
3. I press and hold SPLIT to separate RX and TX.
4. While holding REV I tune about “five up” or wherever the DX is listening.
5. I release REV and I see the DX’s frequency again.

QUESTION: When I transmit there’s no visual indication on which frequency I’m 
transmitting. Should there be?

Cheers.
Richard
W4KBX



On Nov 5, 2023, at 10:11 PM, Rich  wrote:

It is quite simple just long press the A>B button and you will be in SPLIT mode.

Tell us what you are doing that is not working

Rich

PS - I believe Crossband Split is not possible w/o a SUBRX, but not within the 
same band.

On 11/5/2023 21:59 PM,marvwhee...@nwlink.com  wrote:

Richard:

It is not necessary to have the 2nd rcvr to work split. I have used my for 3 
yrs without a 2nd rcvr and work split frequently.]

Marv
KG7V

-Original Message-
From:elecraft-boun...@mailman.qth.netOn 
Behalf Of Richard
Sent: Sunday, November 5, 2023 6:12 PM
To: Elecraft Reflector
Subject: [Elecraft] K3S Split Operation

I am having trouble understanding both the manual and N6FN’s Mini-manual when 
it comes to Split operation. I follow the “directions” over and over but 
nothing happens.

Does the fact that my K3S does not have a sub receiver mean that I can’t work 
split?

If I’m wrong about that I would really appreciate a step-by-step How-To lesson 
in working split.

Thanks.

Cheers,
Richard Kunc
W4KBX
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Re: [Elecraft] KXPA100 For Sale - SOLD

[David Andrews via Elecraft]

This item has been sold.
Dave
KA1DA


> On Nov 1, 2023, at 15:19, David Andrews  wrote:
> 
> KXPA-AT-F 100W Ext Amp with 150W internal Antenna Tuner, factory assembled 
> Excellent condition
> S/N 2165
> 
> Fused DC power cable, 25 amp fuse
> KX3 to KXPA100 Adapter Cable Set (KXPACBL) with CAT6 Cable, 6 in. 
> Rt Angle BNC to PL-259 RF Cable
> KXPA100 to KX3 Power Cable
> Owner’s Manual, excellent condition
> Original purchase Invoice dated 2/27/2017
> 
> The Amp is now redundant to other equipment.
> It has seen minimal use, always inside, no blemishes.
> Original box seems to have disappeared.
> I will pay CONUS insured shipping to you.
> $1,100
> PayPal preferred
> Photo’s available on request.
> Contact me direct, dandr...@me.com <mailto:dandr...@me.com>
> 
> 73,
> Dave Andrews
> KA1DA
> 

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[Elecraft] KXPA100 For Sale

[David Andrews via Elecraft]

KXPA-AT-F 100W Ext Amp with 150W internal Antenna Tuner, factory assembled 
Excellent condition
S/N 2165

Fused DC power cable, 25 amp fuse
KX3 to KXPA100 Adapter Cable Set (KXPACBL) with CAT6 Cable, 6 in. 
Rt Angle BNC to PL-259 RF Cable
KXPA100 to KX3 Power Cable
Owner’s Manual, excellent condition
Original purchase Invoice dated 2/27/2017

The Amp is now redundant to other equipment.
It has seen minimal use, always inside, no blemishes.
Original box seems to have disappeared.
I will pay CONUS insured shipping to you.
$1,100
PayPal preferred
Photo’s available on request.
Contact me direct, dandr...@me.com

73,
Dave Andrews
KA1DA

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Re: [Elecraft] List guidelines, please review.

[David Ferrington, M0XDF]

Agreed
73 de David, M0XDF (K3 #174, P3 #108)

> On 31 Oct 2023, at 15:05, AB2E Darrell  wrote:
> 
> I also agree with Dave and Wes.
> Keeping up with current resale values is useful to me.
> 73
> Darrell AB2E
> 
> From: elecraft-boun...@mailman.qth.net  on 
> behalf of Wes 
> Sent: Monday, October 30, 2023 5:22 PM
> To: elecraft@mailman.qth.net 
> Subject: Re: [Elecraft] List guidelines, please review.
> 
> I'm with Dave on this one.  I see guys setting up complicated email filters to
> sort messages into different folders, etc,   I just look at the subject and,
> more often that not, hit the delete key.
> 
> Since I have a K3 in a box under the desk that I should be selling I'm
> interested in what the market is too. Leave well enough alone.
> 
> Wes  N7WS
> 
> On 10/27/2023 3:34 PM, David Gilbert wrote:
>> 
>> 
>> Why do you think that for sale posts have little value to the list at large??
>> I very much appreciate knowing what is available since Elecraft no longer
>> supports such a high percentage of their products, and I appreciate knowing
>> what the going prices for those items are.  Why should I have to go to
>> multiple places elsewhere with much lower membership to search for that
>> information?
>> 
>> There a LOTS of posts made to the Elecraft reflector that don't interest me 
>> in
>> the least.  A keypress to delete them takes but an instant and I can sort
>> though an entire day's posts in a matter of seconds ... literally.
>> 
>> Dave  AB7E
>> 

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Re: [Elecraft] List guidelines, please review.

[David Gilbert]

Why do you think that for sale posts have little value to the list at 
large??  I very much appreciate knowing what is available since Elecraft 
no longer supports such a high percentage of their products, and I 
appreciate knowing what the going prices for those items are.  Why 
should I have to go to multiple places elsewhere with much lower 
membership to search for that information?


There a LOTS of posts made to the Elecraft reflector that don't interest 
me in the least.  A keypress to delete them takes but an instant and I 
can sort though an entire day's posts in a matter of seconds ... literally.


Dave  AB7E



On 10/27/2023 1:32 PM, Geert Jan de Groot wrote:



I believe this used to go out automatically every month, but anyway;
https://elecraft.com/pages/email-discussion-list-guidelines
Please review,,, and NOTE; we now have over 7000 members!
(there were only 3000 when Eric wrote this) > Specifically re recent 
discussion see sections;

3, 4a, 5, 5a, 5a1, 5b, 8.


Just an opinion, not trying to start another mail thread:
I would like the list owner to consider restricting forsale messages.

With the K4 being available and the availability of some K3 options, I 
now see a flurry of messages from people offloading their kit, or 
looking for something.


A discussion about a K3 that has a defect or a modification will 
benefit future readers for years to come (yes, I do use the archives 
which I think is a valuable part of the reflector).


The flurry of messages "K3 for sale ... K3 has been sold" lost their 
value the moment the message is on the list. The person offloading 
doesn't care when he switches to flex or whatever but damage to the 
archives is forever.


If the reflector degrades to a forsale list then attendance will be 
6999 and probably (much) lower.


Geert Jan
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Re: [Elecraft] XV 144 trasnverter for sale

[David Gilbert]

Yup.

Dave  AB7E



On 10/25/2023 3:32 PM, Wes wrote:
Wow, $600.  You can buy a 25W Q5 Signal transverter for $500. 
http://q5signal.com/index.php?route=product/product=60_id=52


Wes  N7WS




On 10/25/2023 1:05 PM, Michael Kelly wrote:

https://k3bfp.com/?page_id=66=true




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[Elecraft] TS-890 vs K4D performance?

[David Gilbert]

You should have seen the several private emails Clay sent me a couple of 
months ago.  They literally could have been classified as hate mail, all 
because I posted something he felt was critical of Elecraft on some 
topic or another.


There is indeed something wrong there ...

 Dave   AB7E


On 10/23/2023 11:07 AM, Andrew Moore wrote:

Lashing out is an indication of an unrelated underlying issue. Feelings of
inadequacy or inferiority. Real or imagined.

73,
-Andrew NV1B
..



On Mon, Oct 23, 2023 at 2:02 PM Clay Autery  wrote:


LMAO!  Yes, because anecdotal story-telling on this list by various
un/under-qualified people making comments on equipment they cannot even
BEGIN to understand MUCH LESS operate anywhere near its capabilities.

This is the Elecraft manufacturer's list.  It is here to discuss
ELECRAFT gear.  Ask Wayne or Eric.  It belongs to THEM.

IF you choose to talk about NON-Elecraft gear, be prepared to field very
pointed questions about your qualifications and testing methods.
Because if you are acting a 'fool", it WILL be revealed that you do not
know what you don't know.

Be well!

Just saying.  there are numerous other venues to discuss your Asian
crap THIS ain't the place unless you are OK with getting sharpshot
until you capitulate.

Have a good day.

Clay E. Autery, Jr.
KY5G

On 10/23/2023 11:14 AM, Toast wrote:

I came to this list to have honest conversations about the comparison of

Elecraft equipment vs other manufacturers.  I prefer to live without my
head in the sand.

Rob Mantz
NR4B

Sent from my iPhone


On Oct 23, 2023, at 11:22 AM, Clay Autery  wrote:

I don't come to this list to talk about Kenwood.  Please take your

Kenwoo0d stuff to another list.  Groups.io, etc...

Clay E. Autery, Jr.
KY5G

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Re: [Elecraft] TS-890 vs K4D performance?

[David Gilbert]

How very boorish of you.  The original post (read it below) specifically 
asked for comparison information, and Wes merely answered.


You are the consummate Elecraft fanboy here and that's fine. but don't 
try to impose your perspective on everyone else.


Dave   AB7E


On 10/23/2023 8:22 AM, Clay Autery wrote:
I don't come to this list to talk about Kenwood.  Please take your 
Kenwoo0d stuff to another list.  Groups.io, etc...


Clay E. Autery, Jr.
KY5G




On 10/22/2023 10:17 PM, Wes wrote:
Like you I own a K3 and owned and sold a K3S.  I also have a KPA500 
and KAT500.  I too got tired of waiting for a K4 and bought a TS-890. 
Elecraft radios taught me to always have a spare, so considering 
similar ergonomics, I also acquired a TS-590.  Before all of these I 
had a Kenwood TS-870 that was flawless for 13 years.


True Elecraft service has been fine, the problem has been I've needed 
too much of it.  My Kenwood stuff has never required service, so I 
can't comment on it.


The notch filter on the '890 isn't automatic but the beat cancel is 
and quite effective.  I used to say about my '870 that Kenwood wasted 
valuable panel space by putting a noise blanker switch on it and the 
'890 isn't a whole lot better. The K3 can be, if you don't mind 400+ 
different adjustment possibilities.


Sorry I can't comment on the K4, since obviously I don't own one, and 
I doubt that I ever will, that ship has sailed.


Wes  N7WS




On 10/22/2023 10:58 AM, John Canfield wrote:

Hi all,

Long time fan of Elecraft, I have a K3s and a KPA1500, both are 
currently in service. My primary HF radio is now a TS-890, I bought 
it about four or so years ago after giving up waiting on the K4's to 
be off the shelf ready to purchase.


So on to my questions about the two rigs. For those who have fairly 
recent experience running both the TS-890/K4's I would greatly 
appreciate anyone's thoughts and comments about the two rigs. I 
really like the 890 after I finally figured out how to run it (hi 
hi). I like the visual representation of adjusting the high and low 
bandpass filters on the waterfall. One feature of the 890 I don't 
like is the notch filter isn't automatic unlike my K3s.


I know there's a lot of complaints about relatively poor DSP noise 
reduction on the 890 and I do agree it's not in the same class as my 
K3s but nonetheless it's still quite effective. Receive sensitivity 
on my 890 is outstanding, I'll have to give it a subjective 5 stars 
and my K3s 4 stars.


One huge bonus of Elecraft is factory service which I've had to use 
a couple of times with my K3s. I give it 5 stars :-)


Any helpful comments are greatly appreciated and please be brutally 
honest.


73 de John WB5THT

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Re: [Elecraft] Digital mode power handling for KAT3

[David Gilbert]

I am reasonably certain that the KAT3 can handle 100 watts for a lengthy 
period to time (enough for normal FT8 purposes) if the SWR it is trying 
to match is low enough.  But the original query didn't say how high an 
SWR he was trying to match.  The KAT3 is certainly capable of matching 
some pretty high SWRs (well over 10:1), but the question is how long can 
it push 100 watts into an SWR that it could otherwise normally handle at 
lower SWR.


Another factor is the phase of the impedance the KAT3 is trying to 
match.  A high SWR could present either a capacitive load or an 
inductive load to the KAT3.  In one case it could result in high 
currents within the KAT3 ... in another it could mean high internal 
voltages.


So the real question is ... can the KAT3 survive for X amount of time 
when pushing 100 watts into a high SWR at most any phase?   I can pretty 
much guarantee that nobody knows the answer to that question.


I wouldn't be at all surprised if the KAT3 could handle 100 watts into a 
high SWR for periods of time that were comfortable for FT8 if the phase 
of the load impedance resulted in higher currents.  I'm not so confident 
about that if the phase gave high voltages. Heating takes a bit of time 
to be destructive ... voltage breakdowns and arc overs happen very quickly.


 73,
Dave   AB7E



On 10/13/2023 8:03 AM, Bill Frantz wrote:

I have frequently used my K3 at 100 watts with FT8 and RTTY. I haven’t had 
anything which would indicate that components are getting overstressed (e.g. 
bad smells).

Now, I don’t think I have given a full 100 watts when something isn’t connected 
in the antenna system, although the KAT3 does “match” an open antenna line. 
Since in that situation, it clicks for a long time before coming to a “match”, 
I tend to notice that there is a problem before applying full power.

73 Bill AE6JV


On Oct 12, 2023, at 23:42, David Gilbert  wrote:

I thought I was clear, but apparently not.  It is 100% duty cycle for 13 seconds, and 
zero for 2 + 15 seconds.  "Duty cycle" is all a function of what period of time 
you choose to integrate over.  Lots of components if heavily over stressed can go south 
in 13 seconds. Whether that is the case with the KAT3 is unspecified as far as I can tell.




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Re: [Elecraft] Digital mode power handling for KAT3

[David Gilbert]

I thought I was clear, but apparently not.  It is 100% duty cycle for 13 
seconds, and zero for 2 + 15 seconds.  "Duty cycle" is all a function of 
what period of time you choose to integrate over.  Lots of components if 
heavily over stressed can go south in 13 seconds. Whether that is the 
case with the KAT3 is unspecified as far as I can tell.


Dave   AB7E



On 10/12/2023 8:02 AM, Bob McGraw wrote:
If I did my math correct, FT-8 is 46.42% duty cycle.     13+15 = 28. 
Therefore (13/28)*100= 46.42%


73

Bob, K4TAX


On 10/12/2023 7:33 AM, elecraft-requ...@mailman.qth.net wrote:
Message: 17 Date: Wed, 11 Oct 2023 21:40:19 -0700 From: David Gilbert 
 To: elecraft@mailman.qth.net Subject: Re: 
[Elecraft] Digital mode power handling for KAT3 Message-ID: 
<53d23883-e9e2-451d-cb5e-38e78b991...@gmail.com> Content-Type: 
text/plain; charset=UTF-8; format=flowed FT8 is definitely full duty 
cycle for its 13 second transmit period, but of course then it is 
idle for the last two period and idle for the 15 seconds it is 
receiving. Dave?? AB7E 

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Re: [Elecraft] Digital mode power handling for KAT3

[David Gilbert]

Not really.  He asked about the KAT3, not the K3.  The KAT3 can handle 
some very wide impedances, but the question is can it handle full power 
from the K3 when it sees a high SWR at the output.  For example, how 
much power can the KAT3 handle for 10 minutes when trying to match an 
SWR of 10:1?  Maybe it can handle 100 watts for 10 minutes at that kind 
of SWR, but I can't find any spec that says so.  The KAT3 manual is an 
assembly manual only.


Dave   AB7E


On 10/11/2023 10:04 PM, Mark Musick wrote:

 From the K3 and K3S manuals:
Duty Cycle CW and SSB modes, 100% 10-min. 100W key-down at 25 C ambient

I think this answers the question.

73,
Mark, WB9CIF




-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of ken.k...@gmail.com
Sent: Wednesday, October 11, 2023 16:51
To: elecraft@mailman.qth.net
Subject: [Elecraft] Digital mode power handling for KAT3

Hello.  I recently bought a very nice K3 from a friend.  It has the KAT3 auto-tuner 
installed.  Due to the duty cycle of most digital modes, most, if not all, external auto 
tuners are "de-rated" for digital modes.  I haven't been able to find any 
reference to this for the KAT3.  Does anyone know the power handling capability of the 
KAT3 for digital modes?

Thanks in advance.

73,
Ken, KJ9B


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Re: [Elecraft] Digital mode power handling for KAT3

[David Gilbert]

FT8 is definitely full duty cycle for its 13 second transmit period, but 
of course then it is idle for the last two period and idle for the 15 
seconds it is receiving.


Dave   AB7E


On 10/11/2023 8:20 PM, Ken WA8JXM wrote:

Not just the tuner,  the K3 is not rated for full power on 100% duty cycle
modes.  Just like it's not rated or 100% key down CW.  But realize that
many of the modes are half transmit and half listen.

Different digital modes have different duty cycles.

 From the W1HKJ.com website:
100% duty cycle: Olivia, MFSK,RTTY
80%: BPSK, MT63
44%  CW
22%:FieldHell

There are more modes on Dave's website, but those are some of the
major ones.  IDK if Joe Taylor has similar information on his website for
the modes he supports.   It loioks like his modes may require full duty
cycle.

Ken


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Re: [Elecraft] Elecraft CW Net Report

[DAVID MOORMAN]

I fairly regularly listen for the net but never heard anything until last 
Sunday.  Steve, K4JPN had a nice signal into the Chicago area.

Dave K9SW

> On Sep 24, 2023, at 9:26 PM, kevin  wrote:
> 
> Good Evening,
> 
>Twenty meters had decent signals with some QSB and a few strong storms.  
> Working around the lightning was not too hard. Forty meters was a little 
> weaker with faint thunderstorms.
> 
> 
>   On 14050 kHz at 2200z:
> 
> W0CZ - Ken - ND
> 
> K4TO - Dave - KY
> 
> AB9V - Mike - IN
> 
> W8OV - Dave - TX
> 
> WJ7S - John - UT
> 
> K0DTJ - Brian - CA
> 
> K4JPN - Steve - GA
> 
> K4TAX - Bob - TN
> 
> 
>   On 7047 kHz at z:
> 
> K6PJV - Dale - CA
> 
> WJ7S - John - UT
> 
> K0DTJ - Brian - CA
> 
> K4TO - Dave - KY
> 
> 
>73,
> 
>   Kevin.  KD5ONS
> 
> 
> 
> 
> -
> 
> 
> 
> 
> Whoever is not against us is for us.
> 
> 
> 
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> Message delivered to k...@comcast.net

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Re: [Elecraft] OT: The day I found out I was going to be an engineer

[David Thompson via Elecraft]

On 9/17/2023 6:16 AM, Larry (K8UT) wrote:

One of my favorite Dilbert videos - when mom discovers her son has "the 
knack"."


I love that clip! It makes me laugh every time. (Yes, I am an engineer...)

-=d

--
David Thompson, AG7TX

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Re: [Elecraft] OT: The day I found out I was going to be an engineer

[David Wilcox via Elecraft]

Jerry,

One way to interest a son in radio and electronics expose him to others of his 
age that are interested and playing with it.  Possibly a call to a local scout 
master to see if he has any charges that have a similar interest.  

Sometimes it takes a few years. I exposed my secretary’s sons to electronics 
and SWLing when they were teenagers and 30 years later when they had their 
families and jobs stabilized they rediscovered ham radio and became licensed.

The best thing you are doing is something together with radio. My father was 
interested but never became licensed, BUT he took me to other hams homes and 
they showed me what they had and how it worked. And our family doctor was a ham 
and took me under tow. I became a family doctor AND a ham….. and Dad bought two 
Philmore radio kits and a one tube battery operated kit that I myself built.  A 
neighborhood kid was a ham and another ham lived across the street.  As I got 
older we made part 15 one transistor transmitters and sent CW around the 
neighborhood.  

It never stopped after that. Even in college and Med school there was always 
someone that had a ham rig in a closet somewhere and I borrowed it and got on 
the air.  On the air since 1960.

Dave K8WPE

David J. Wilcox’s iPad

> On Sep 16, 2023, at 2:25 PM, jerry  wrote:
> 
> On 2023-09-15 17:31, Wayne Burdick wrote:
>> I was 8 years old.
> 
> *** I've been trying to interest my 9 year old in electronics & radio.  Am 
> leveraging his love for making things.  Which
> mostly is alas focused on Legos.
> 
>   When the COVID hit, I immediately got on Amazon and ordered the biggest, 
> most elaborate "snap circuits" kit.  It was sort
> of a bust.  He did a few of them and lost interest.  The trouble with snap 
> circuits is that the elaborate ones - the ones that
> do interesting things - depend on ICs that they have packaged up.  Black 
> boxes that hide all the fun.  Also, for some strange
> reason, Snap Circuits doesn't use schematics in their workbooks.
> 
>   I like the old Radio Shack multi-project kits better, and I got him the 
> last-biggest one that they made.  Actual
> schematics.
> 
>   I had him build a Velleman kit that I had laying around.  He was scared of 
> the soldering iron.  I said "just don't touch
> the metal part" :).
> 
>- Jerry, KF6VB
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Re: [Elecraft] K3 Powers Off On Its Own

[David Hachadorian]

On one of my K3's the Powerpole receptacle got flaky. Turn the radio on, 
and then wiggle the plug  to see if it drops out.  I resoldered where 
the receptacle pins mate with the circuit board inside, but I still had 
to use a tie-wrap to hold the plug in a certain position.  I'll fix it 
the right way one of these years.


Good luck!

Dave Hachadorian, K6LL
Yuma, AZ

On 9/15/2023 3:50 PM, Jed Petrovich wrote:

Hello all:

Earlier this week my K3 shut itself off while it was in receive mode. It
had been running for about 20 total minutes at the time it turned off. I
had just finished a 15 minute QSO. The Tx power was 10 watts.

When I tried to turn it on again, the display briefly flashed for a few
seconds and I could hear a slight buzzing sound from within the chassis and
it went off. I waited for a short time and tried again. The K3 display
flashed for a few seconds along with the buzzing, but would not stay
powered. I tried this one more time, but the display flashed very briefly,
buzzed and then off again.

This morning I could power on the K3, but I didn't let it run very long
before I powered it off. It would seem this is some sort of heat-related
issue.

It's serial number 2826, but it's had several mods over the years including
the upgrade on the receiver.

Any ideas would be appreciated.

73,

Jed
AD7KG
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Re: [Elecraft] FOR SALE: K2 (now condos)

[David Christ]

As you point out condo does not automatically mean no ham radio.  Here we have 
13 units and I got condo board permission for a 30 foot tower and hex antenna


David K0LUM

> On Aug 30, 2023, at 12:48 PM, DAVID MOORMAN  wrote:
> 
> Rob, do they specifically forbid HF radio transmission?  I live in a small 
> (21 unit) condo building near Chicago, and the association is kind enough to 
> let me put a Hustler antenna with three resonators on our first floor 
> balcony.  It works but OK not great.  If you’re on a higher floor, you can do 
> quite well from a condo.  
> 
> Is the building frame construction or steel framework with reinforced 
> concrete slabs?  Wood frame construction is much better!
> 
> Dave  K9SW
> 
>> On Aug 30, 2023, at 11:57 AM, ROBERT FOLLETT > <mailto:robert.foll...@comcast.net>> wrote:
>> 
>> I am moving into a Condo complex, and can’t do HF radio there…. Reluctantly, 
>> I must Part with these, (along with a ton of other ham stuff)

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Re: [Elecraft] FOR SALE: K2

[DAVID MOORMAN]

Rob, do they specifically forbid HF radio transmission?  I live in a small (21 
unit) condo building near Chicago, and the association is kind enough to let me 
put a Hustler antenna with three resonators on our first floor balcony.  It 
works but OK not great.  If you’re on a higher floor, you can do quite well 
from a condo.  

Is the building frame construction or steel framework with reinforced concrete 
slabs?  Wood frame construction is much better!

Dave  K9SW

> On Aug 30, 2023, at 11:57 AM, ROBERT FOLLETT  
> wrote:
> 
> I am moving into a Condo complex, and can’t do HF radio there…. Reluctantly, 
> I must Part with these, (along with a ton of other ham stuff)
> 
> K2:  SN 0356, Int Batt, ATU, and Tilt Stand — No Mic.  
> 
> Make an offer, as I have no idea of value
> 
> K3:  SN 6154
> K3/100
> KAT3
> KXV3A
> KFL 3A-2.8_2,7
> KFL3A-400
> KFL3A-1.8k
> LBPF3 General Coverage RX
> MH2 Mic
> 
> The K3 has only been used for SSB and CW, so it has no hardware updates.
> 
> Make an offer, I will ship, minimum expected $1000 + shipping cost.
> 
> Rob -  KT7L
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Re: [Elecraft] Newish… KX2 owner

[David Gilbert]

That's normal.  If it jumps in 10 Hz increments there is no point in 
showing 1 Hz resolution.  And if fact, the number of digits shown tells 
you what your tuning rate is.


73,
Dave   AB7E



On 8/14/2023 11:49 AM, Neil Smith wrote:

I recently noticed my KX2 frequency read out has 2 numerals to the right of the 
. (Dot). I seem to recall there being 3 numerals. But since pushing RATE to 
speed thru the band only two numbers show.

Example: 14.280.12x

Anyone know how to restore the missing numeral - x?

Thanks & 73,

Neil
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Re: [Elecraft] CM-500 Question

[David Hachadorian]

I just bought another SB-45 last week on Amazon.  Mic Sensitivity is 
fine, same as it used to be.


Dave Hachadorian, K6LL
Big Bear Lake, CA

On 8/8/2023 7:07 AM, David Herring wrote:

Comfort. My ears tend to be on the large side.  Most “over the ear” headphones 
are really “on ear” headphones for me.  After an hour or two of that, my ears 
really begin to hurt. The CM500s have large enough cups to encompass my entire 
ear (albeit barely), thus permitting me to wear them for extended periods of 
time.

In reality, that was my only basis for selecting them over others.  The fact 
that, until my latest pairs, they worked great was of course important but I 
know there are plenty of other options out there that work at least as well.  
But what good are they if I can’t wear them?

Having received two consecutive pairs of real lemons, I’ll be looking for something other 
than the CM500s in the not too distant future.  So if anyone knows of alternates that 
will fit ol’ big ears here, I’m, well, "all ears" as they say. ;-)

I know the Koss offerings are essentially the same thing, but if the CM500s 
stink in the mic sensitivity department, would the Koss suffer the same fate?  
Anyone know?

Might I be better off going for a dynamic mic rather than an electret?

73,
Dave - N5DCH

PS so as to keep this even remotely related to Elecraft, I love my K4, my KX3 
and my K2 and would be using said headphones for all three at some point or 
another.  ;-)



On Aug 8, 2023, at 7:43 AM, Joe Subich, W4TV  wrote:



On 8/8/2023 12:16 AM, Jack Brindle via Elecraft wrote:

As contesters who wear headphones as much as 48 hours straight on weekends, we 
find comfort to be one of the most important assets of any headphone.

Here is the key!  K8JHR calls the CM500 earpads "flat and lack luster"
but they are larger than the majority of "on the ear" computer and
gaming headsets.  For many of us, the important attribute of a headset
is earphones completely surround the ear without placing excess pressure
on the side of the head, particularly on the temple pieces of glasses
while simultaneously providing modest isolation from room noises and
are not "heavy" on the top of the head and neck.

I know there are $300-$500 broadcast headsets (Beyer, Audio Technica,
Senheiser, etc.) but I for one certainly am not going to try multiple
professional headsets until I find one that is comfortable for even
six hours at a time.

73,

   ... Joe, W4TV


On 8/8/2023 12:16 AM, Jack Brindle via Elecraft wrote:

As contesters who wear headphones as much as 48 hours straight on weekends, we 
find comfort to be one of the most important assets of any headphone.
There are LOTS of headphones that sound great, have outstanding performance 
both in their speakers and microphone. But, they make you feel like your
head is in a vice after just a few hours of wear. If the headphone is 
uncomfortable, then no matter what its other characteristics are, they will be 
thrown in the trash.
The CM-500 happens to be one of the most comfortable headset for long-term wear 
(many of us feel that way). Many others (some mentioned in this discussion)
don’t come close. I also have a pair of the KOSS version of this headset. It is 
back in its box - wearing it is very uncomfortable for me. Like others, I have 
tried many
different headphones put out by many companies. This past weekend, for NAQP CW, 
the CM-500s were on my head for 10 hours. With the CM-500s out of production,
I’m not sure what I will turn to when these wear out. I do know that none of 
the computer gaming headsets I have tried fit the bill. And I had the privilege 
of trying out
many of the headsets from a major gaming device company I worked for as a 
design engineer.
Now, before you put down others, find out what their requirements really are.  
It might not be the same thing as yours.
73,
Jack, W6FB

On Aug 7, 2023, at 9:44 PM, JHR  wrote:

Ahem.   CM-500 headset.   Meh.   Uninspiring old school.

I was a long time microphone and headset product test and review writer for the speech 
recognition trade - including both vendors and manufacturers, such as IBM, Microsoft, Nuance, 
Scansoft, Lernhout & Hauspie, Dragon Systems, Kurzeweil AI, and many hardware resellers.  
 I suppose that made me an "influencer" long before that became a popular pastime 
for teenagers broadcasting from their bedrooms on YouTube.

I tested A LOT of microphones and headsets of all kinds, including the CM-500 
which appears to be a rebranded $29 KOSS SB-40  with an very low cost electret 
capsule instead of the original more costly dynamic cartridge.  I have repaired 
multiple CM-500s which broke down during service at a multi-multi contest 
station and at friends' home stations.  The microphone is nothing more than a 
thirty cent condenser capsule - exactly what umpty-thousand other headsets 
have.  The stock ear pads are flat and lack luster.  The earphone receivers 

Re: [Elecraft] CM-500 Question

[David Herring]

Comfort. My ears tend to be on the large side.  Most “over the ear” headphones 
are really “on ear” headphones for me.  After an hour or two of that, my ears 
really begin to hurt. The CM500s have large enough cups to encompass my entire 
ear (albeit barely), thus permitting me to wear them for extended periods of 
time.

In reality, that was my only basis for selecting them over others.  The fact 
that, until my latest pairs, they worked great was of course important but I 
know there are plenty of other options out there that work at least as well.  
But what good are they if I can’t wear them?

Having received two consecutive pairs of real lemons, I’ll be looking for 
something other than the CM500s in the not too distant future.  So if anyone 
knows of alternates that will fit ol’ big ears here, I’m, well, "all ears" as 
they say. ;-)

I know the Koss offerings are essentially the same thing, but if the CM500s 
stink in the mic sensitivity department, would the Koss suffer the same fate?  
Anyone know?  

Might I be better off going for a dynamic mic rather than an electret?

73,
Dave - N5DCH

PS so as to keep this even remotely related to Elecraft, I love my K4, my KX3 
and my K2 and would be using said headphones for all three at some point or 
another.  ;-)


> On Aug 8, 2023, at 7:43 AM, Joe Subich, W4TV  wrote:
> 
> 
> 
> On 8/8/2023 12:16 AM, Jack Brindle via Elecraft wrote:
>> As contesters who wear headphones as much as 48 hours straight on weekends, 
>> we find comfort to be one of the most important assets of any headphone.
> Here is the key!  K8JHR calls the CM500 earpads "flat and lack luster"
> but they are larger than the majority of "on the ear" computer and
> gaming headsets.  For many of us, the important attribute of a headset
> is earphones completely surround the ear without placing excess pressure
> on the side of the head, particularly on the temple pieces of glasses
> while simultaneously providing modest isolation from room noises and
> are not "heavy" on the top of the head and neck.
> 
> I know there are $300-$500 broadcast headsets (Beyer, Audio Technica,
> Senheiser, etc.) but I for one certainly am not going to try multiple
> professional headsets until I find one that is comfortable for even
> six hours at a time.
> 
> 73,
> 
>   ... Joe, W4TV
> 
> 
> On 8/8/2023 12:16 AM, Jack Brindle via Elecraft wrote:
>> As contesters who wear headphones as much as 48 hours straight on weekends, 
>> we find comfort to be one of the most important assets of any headphone.
>> There are LOTS of headphones that sound great, have outstanding performance 
>> both in their speakers and microphone. But, they make you feel like your
>> head is in a vice after just a few hours of wear. If the headphone is 
>> uncomfortable, then no matter what its other characteristics are, they will 
>> be thrown in the trash.
>> The CM-500 happens to be one of the most comfortable headset for long-term 
>> wear (many of us feel that way). Many others (some mentioned in this 
>> discussion)
>> don’t come close. I also have a pair of the KOSS version of this headset. It 
>> is back in its box - wearing it is very uncomfortable for me. Like others, I 
>> have tried many
>> different headphones put out by many companies. This past weekend, for NAQP 
>> CW, the CM-500s were on my head for 10 hours. With the CM-500s out of 
>> production,
>> I’m not sure what I will turn to when these wear out. I do know that none of 
>> the computer gaming headsets I have tried fit the bill. And I had the 
>> privilege of trying out
>> many of the headsets from a major gaming device company I worked for as a 
>> design engineer.
>> Now, before you put down others, find out what their requirements really 
>> are.  It might not be the same thing as yours.
>> 73,
>> Jack, W6FB
>>> On Aug 7, 2023, at 9:44 PM, JHR  wrote:
>>> 
>>> Ahem.   CM-500 headset.   Meh.   Uninspiring old school.
>>> 
>>> I was a long time microphone and headset product test and review writer for 
>>> the speech recognition trade - including both vendors and manufacturers, 
>>> such as IBM, Microsoft, Nuance, Scansoft, Lernhout & Hauspie, Dragon 
>>> Systems, Kurzeweil AI, and many hardware resellers.   I suppose that made 
>>> me an "influencer" long before that became a popular pastime for teenagers 
>>> broadcasting from their bedrooms on YouTube.
>>> 
>>> I tested A LOT of microphones and headsets of all kinds, including the 
>>> CM-500 which appears to be a rebranded $29 KOSS SB-40  with an very low 
>>> cost electret capsule instead of the original more costly dynamic 
>>> cartridge.  I have repaired multiple CM-500s which broke down during 
>>> service at a multi-multi contest station and at friends' home stations.  
>>> The microphone is nothing more than a thirty cent condenser capsule - 
>>> exactly what umpty-thousand other headsets have.  The stock ear pads are 
>>> flat and lack luster.  The earphone receivers (speakers) are mediocre at 
>>> best.  

Re: [Elecraft] CM-500 Question

[David Herring]

I am one of the ones who is experiencing difficulties with the CM500’s mic 
sensitivity.  Like some others with a recent model CM500, I have the preamp on 
and the mic gain pegged on my K4, the mic right up close to my lips, and I 
cannot get 5 bars without talking much louder than what should be necessary.

I can confirm that it works (albeit poorly) with bias on and does not work at 
all when the bias is turned off.

73,
Dave - N5DCH




> On Aug 7, 2023, at 3:08 PM, Alan Bloom  wrote:
> 
> Thanks Jim.  Unfortunately I'm several thousand miles away from home so I 
> can't do that test right now.  I'm pretty sure it's an electret, but I'll 
> check when I get home.
> 
> Alan N1AL
> 
> 
> On 8/7/2023 11:00 PM, Jim Brown wrote:
>> On 8/7/2023 12:44 PM, Alan Bloom wrote:
>>> I also use it for recording a radio show on a computer sound card. Again, I 
>>> have to set the gain to near maximum to get proper levels.
>> 
>> Alan,
>> 
>> The CM500 has always had an electret mic, which requires bias, although the 
>> data sheet has always called it a dynamic mic. As a test, turn off bias and 
>> see if that changes anything. If it is a dynamic, turning off bias should 
>> make it work better.
>> 
>> My WAG is that what you bought might be a counterfeit. My experience buying 
>> all sorts of things in the last 5 years (kitchen tools, shoes, etc.) has 
>> been seeing lots of what appear to be either counterfeit or cheapened 
>> versions of stuff I'd previously owned and wanted a second one.
>> 
>> 73, Jim K9YC
>> 
>> 
>> 
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Re: [Elecraft] Yamaha CM500

[David Herring]

I have been told that the Koss SB-45 is the replacement for the Yamaha CM500.  
I have not as yet ordered a pair to try them myself, I am merely relaying what 
I have heard.  Might be worth researching if anyone’s looking for a CM500 
replacement.  I see there is a pair on Amazon for about $30 presently…

73,
Dave - N5DCH




> On Aug 7, 2023, at 2:20 PM, Jack Brindle via Elecraft 
>  wrote:
> 
> The CM-500 is indicated as being discontinued by Yamaha. There are some 
> available from a vendor at Amazon for $80. I suspect they bought up Yamaha’s 
> inventory when they were discontinued.
> 
> 73,
> Jack, W6FB
> 
> 
>> On Aug 7, 2023, at 2:57 PM, Henry Pfizenmayer via Elecraft 
>> mailto:elecraft@mailman.qth.net>> wrote:
>> 
>> A few weeks ago I saw this  discussion-and could find no CM500 anywhere- I 
>> am oin my third set now after years and years but wanted another -so where 
>> are they available ???
>> 
>> 
>> 
>> 
>> Hank K7HP
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Re: [Elecraft] A Good Headset For A K3

[David Hachadorian]

I like the Koss SB-45 (3.5mm plug version, not USB).  It sounds great, 
has a nice padded headband, and is $30 on Amazon.


Dave Hachadorian, K6LL
Big Bear Lake, CA



On 8/6/2023 12:16 PM, Jim Brown wrote:

On 8/6/2023 11:43 AM, Eric Garner wrote:

2nding the radiosport headsets. They are not cheap, but they are
comfortable for extended wear, sound great, and block nearly all 
background

noise.


Comfort depends strongly on the head of the wearer. I tried on a set 
twice, first at a club meeting, then a few years later after 
seeing/hearing posts like this. On both occasions I found them to be 
an instrument of torture.


By contrast, the Yamaha CM500 headset is VERY comfortable -- I've worn 
mine for long contest weekends with no fatigue, and both phones and 
mic sound great. With the right TXEQ, audio is super competitive, is 
easy to listen to and cuts through noise and QRM. The headset plugs 
straight into the rear panel of both a K3 and a K4, (turn on bias, 
because mic is an electret). Most of us program PF2 to toggle the 
speaker on and off (go to the menu for that function and push PF2). 
With the right cable adapter, it also works great with a KX3.


The only shortcoming of the Yamaha headset is it's somewhat light 
construction -- I'm super clumsy, am always knocking the headset on 
the floor, which has broken the cable. But at $60 or so compared 4-6 
times that cost for ham specialty headsets that are no better, it's 
cheap.


73, Jim K9YC

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Re: [Elecraft] Buying a K4 in UK

[David Aslin G3WGN]

Eric,
Many thanks for giving this your attention.  Moonraker is potentially an 
excellent choice as the UK market is rapidly becoming a duopoly, with Moonraker 
emerging as one of those two.
I am not aware of any UK repair persons that are already familiar with Elecraft 
products.  An outfit like Castle Electronics, suggested by G3UNA, most likely 
has the technical skills, but would need training on the Elecraft product line.
In my previous note I renamed Carlo Bianconi as Claudio – my apologies.  It is 
Carlo that demonstrated first class repair and customer skills for multiple 
members of our 6Gs DXpedition group.
I spoke with Lutz at some length while at Friedrichshafen.  They have special 
arrangements that allow shipping either to Germany or direct to their Swiss HQ. 
The difference from the UK in the cost of shipping to Germany, Switzerland or 
Italy is negligible, but the cost and admin complexity is substantial; a K4, 
fully insured, will cost $520-600 to ship to Italy or Germany, depending on 
which carrier is chosen.  The cost to ship to Watsonville is the same. This is 
clearly one of the drivers that causes me and others to encourage Elecraft to 
appoint a UK distributor/service centre.

The confusion over the Elecraft US list price and the landed price in the UK is 
a very familiar one.  Many people really don’t understand the 
calculations/requirements.  In particular, there are frequent complaints about 
having to pay ‘duty’ when in fact the charges are simply VAT (required by law) 
and customs clearance costs (levied by the carrier to help cover their admin 
costs in clearing the shipment through customs).  Amateur radio equipment has 
an import duty rate of zero in the UK.

In my previous post I mentioned that ordering direct from Elecraft had always 
delivered a savings relative to buying from the former UK dealer.  That 
calculation was to add the Elecraft list price and shipping cost in $ 
(converted to GBP at the best rate I could find (hint: few credit cards will 
give you this)); then add VAT at 20% to this GBP total; then add the clearance 
fee also in GBP.  It is the sum of all those items that must be compared with 
the UK dealer price.  I’m likely to be preaching to the converted on this 
reflector, but I am constantly having to educate folks on this simple 
arithmetic.

73, David G3WGN M6O

From: Eric Swartz 
Sent: Saturday, August 5, 2023 1:49 AM
To: David Aslin G3WGN 
Cc: Dave ; Elecraft Discussion List 

Subject: Re: [Elecraft] Buying a K4 in UK

I am currently in contact with Justin at Moonraker. We also met at the 
Friedrichshafen Ham Radio show in June.  I'll report here as soon as I have 
additional information on both the local sales and service for our products in 
the U.K.

One note - For the reasons others have noted, we are also interested in 
supporting independent repair persons inside the U.K who are familiar with our 
products. Please contact me directly.   
eric(at)elecraft.com<http://elecraft.com>

Also, in addition to our in and out of warranty repair center for the Eu since 
2011, Carlo Bianconi in Bologna, Italy, who has an excellent lab and does 
expert work, we have also added our Swiss Distributor, Lutz Electronics as an 
additional repair center for in and out of warranty products. The feedback from 
customers who have repairs done there has also been excellent. Lutz speaks vey 
good English, German and French and also has an expedited method for shipping 
to them from Germany.

On buying directly from us, one area of confusion among some international 
buyers in the UK and elsewhere in the EU is that while quoted prices for our 
products at local retail stores in Eu and the UK already include the addition 
of your local VAT and the cost of shipping and insurance to them from the U.S., 
the on-line prices on orders shipped directly from us do not include the VAT or 
import duty. That is required by the international authorities on your end to 
be paid by the buyer upon receipt.   (Shipping cost and insurance is also added 
by us to the invoice at the time of billing prior to shipment.)

72,
Eric
elecraft.com<http://elecraft.com>


On Wed, Aug 2, 2023 at 2:05 PM David Aslin G3WGN 
mailto:da...@aslinvc.com>> wrote:
All my Elecraft kit (K3 + 'S' upgrades, P3, KPA500, KAT500, KX3, K2, W2 etc) 
was bought via mostly separate orders direct from Elecraft, so multiple 
experience of this buying route.  No hassles with any of the shipments, but a 
week or so delay while the VAT/customs process completed.
Even at today's elevated shipping prices, cost was always less than the W & S 
price.

More concerning is the lack of accessible service facilities.  Claudio in 
Bologna is a great engineer and did an exemplary job of upgrading and checking 
over the the KPA500s owned by members of the 6Gs DXpeditions group; BUT, 
shipping a returnable item to Italy (or elsewhere in the EU) is now a huge 
bureaucratic nightmare.
I would hope that Eric and 

Re: [Elecraft] WTB/trade for K3(S) CW filters

[David Hachadorian]

Maybe you can work a deal with K6RO, who has a sideline business dealing 
in used Elecraft radios and accessories.


Dave Hachadorian, K6LL
Big Bear Lake, CA

On 8/1/2023 10:09 PM, AB2E Darrell wrote:

Hi all,
Just picked up a K3 w/upgraded S synths, but the op was mostly SSB.
I want to pick up some CW filters, preferably matched pairs for main & sub.
500/400/200.
Here is the current lineup.

Main receiver roofing filters 13 kHz, 6 kHz, 2.70 kHz matched pair, 1.8 kHz, 
1.50 kHz
Subreceiver roofing filter ,,2.70 kHz matched pair
This K3 has the 2m xvtr, so the 13Khz filter was needed for FM. I will likely 
remove the 13Khz, and the 6Khz, along with the 2m xvtr.
If any of you are SSB ops and happened to have acquired a K3 or K3S with all CW 
filters, I would be glad to swap.

Email me offlist with what you have, or what you want to trade.

Also looking for a pair of P3 side panels to replace the scratched ones on the 
P3 that came w/ the package.
73 Darrell AB2E

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Re: [Elecraft] Buying a K4 in UK

[David Aslin G3WGN]

All my Elecraft kit (K3 + 'S' upgrades, P3, KPA500, KAT500, KX3, K2, W2 etc) 
was bought via mostly separate orders direct from Elecraft, so multiple 
experience of this buying route.  No hassles with any of the shipments, but a 
week or so delay while the VAT/customs process completed.  
Even at today's elevated shipping prices, cost was always less than the W & S 
price.

More concerning is the lack of accessible service facilities.  Claudio in 
Bologna is a great engineer and did an exemplary job of upgrading and checking 
over the the KPA500s owned by members of the 6Gs DXpeditions group; BUT, 
shipping a returnable item to Italy (or elsewhere in the EU) is now a huge 
bureaucratic nightmare.
I would hope that Eric and Justin Godefroy (who I do not know, but I understand 
owns & runs Moonraker) are in conversation.  If not, does anyone on here know 
Justin well enough to encourage that to happen?  Checking with Eric would be 
easy, but there may be need for 'encouragement' at the UK end.  Moonraker would 
get loads of brownie points if they hired an engineer and had them trained on 
Elecraft products - and given the lack of other service facilities in UK, could 
have them trained on other products too, to make the hire cost-effective.
73, David G3WGN M6O

-Original Message-
From: Dave  
Sent: Wednesday, August 2, 2023 1:12 PM
To: Elecraft Discussion List 
Subject: Re: [Elecraft] Buying a K4 in UK

I bought my K4D from W 2 years ago, but they no longer list much Elecraft 
equipment and seem to have lost interest.

All my other Elecraft kit came direct from Elecraft. W are unlikely to handle 
warranty or repairs for items bought elsewhere, which is a pity as the only 
place outside of the UK for service is either Italy or back to the factory.

73 Dave G4AON
--
Sent from my iPhone SE

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Re: [Elecraft] Buying a K4 in UK

[David Gilbert]

That's a pretty simplistic and condescending reply to Geert's well 
written post.


Dave   AB7E


On 8/2/2023 12:39 PM, Jim Brown wrote:

On 8/2/2023 12:34 PM, Geert Jan de Groot wrote:


For one, it is not obvious because Elecraft does not have (and can 
not have) expertise in the complex and fast-changing world of 
international customs regulations.


Management at Elecraft are not babes in the woods.

73, Jim K9YC


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Re: [Elecraft] Lightening static

[David Gilbert]

It isn't limited to vertical antennas at all.  I once got zapped with a 
thick 2 inch long bright blue arc from an 80m Inverted-V that didn't 
have any static bleedoff.  I used to just short the shack end of the 
coax for that purpose, but one time I had forgotten to do that until I 
remembered just as a storm was approaching in the distance.  As I 
reached down to put on the sorted PL259 (I had one hand on the concrete 
floor) the zap nailed me on the other hand. The biceps of both arms were 
sore for three days.


Anything that can generate a difference of potential is a potential 
risk.  It's informative to look up how much voltage is required to 
create a 2" arc in dry air.  I can't find a source, but it would 
probably also interesting to see what kind of current is necessary to 
make the arc almost 2 mm thick.


73,
Dave   AB7E



On 7/31/2023 2:54 PM, Gmail wrote:

Static buildup is a problem mostly with vertical antennas.


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Re: [Elecraft] K4 and Yamaha CM-500 Mic?

[David Herring]

Actually, I had (have) this very same problem and brought it up on here quite 
some time ago.  CM-500, mic and phones plugged into proper jacks on rear, 
preamp on, bias on, mic gain at max, mic right at my lips, and I still have to 
talk very loudly to get any response out of the ALC meter.  I got another 
CM-500 and swapped it in, and it was better…I didn’t have to talk as loud, but 
still way louder than I’d like or should have to. 

I never did puzzle out a solution for this.  So if I need or want to get on SSB 
and can’t talk loud (say like if the XYL is trying to sleep in the next room), 
I put another mic on the front connector and have no problems getting plenty of 
response out of that, even if talking in a hushed voice. 

Oscar, if you find a solution to this, please be sure to post it on here…I’d 
like for this work…failing that I might try someday to find a different 
headset/mic combo...

73,
Dave - N5DCH




> On Jul 30, 2023, at 6:17 PM, Mike Dodd  wrote:
> 
> On 7/30/2023 7:40 PM, Oscar Staudt wrote:
>> When I got my K4D a month ago, I unplugged my Yamaha CM-500 mic and
>> headphones from my K3, and plugged them into the back of my K4.  I set the
>> mic input to rear, and mic bias on.  I expected the mic to perform
>> like it had in the K3.
>> I attempted to get 3-5 bars of ALC by turning up the mic gain control.  Even
>> with the gain up to 80, I’d have to speak *very* loudly to just get a
>> flicker on the ALC meter.
> 
> My CM500 mic is plugged into the rear mic jack. I turned on the 14dB preamp 
> and bias. With the front panel MIC set to 15, I get 5 on the ALC meter with a 
> normal voice -- no shouting or extra-loud is needed.
> 
> Don't know what's different, but those are my settings and result.
> 
> 73. Mike N4CF
> 
> 
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Re: [Elecraft] [OT] A dumb question about lightning

[David Woolley]

> Lightning can’t tell whether something is grounded
> because the energy pulse hasn’t gotten that far yet.

[Full bottom quote follows reply.]

The path for lightning is determined before the main pulse of energy 
loss happens, and much of the communication involved in determining the 
path happens at the speed of light.


The actual lightning flash is a wave of energy conversion, from 
electrostatic, to heat (and then to sound and light).  The energy to 
drive it is already there.  It is isn't travelling down the growing 
bolt, but rather being taken from the volume surrounding it.


In fact, the main energy conversion doesn't happen until after the 
complete initial path has been established and actually propagates upwards.


Where it happens will be influenced by the distance between grounded 
conductors and the cloud, so, at the early stages, the presence of 
grounds (although not necessarily particularly good ones) will have an 
impact. However, it will also depend on the degree of corona discharge, 
which will depend on the sharpness of objects, as corona discharges 
will, effectively extend the effect of the ground into the air above the 
point.


The whole process will be complicated, and there will be a significant 
random element, but the presence of grounded conductors will have an 
effect in the very early stages.


--
David Woolley

On 28/07/2023 22:46, Walter Underwood wrote:

Lightning can’t tell whether something is grounded because the energy pulse 
hasn’t gotten that far yet.

Lightning induces a current in every nearby conductor. When that pulse of 
current reaches a building or electronics, we want to provide a low impedance 
path to a safe sink (ground rods) and a high impedance path to the equipment (a 
choke). A lightning arrestor is a temporary low impedance path to ground for 
conductors that aren’t normally grounded.

The best high impedance path is disconnecting your equipment. That won’t stop a 
direct strike, because that will induce currents in the disconnected equipment. 
But it will help almost all the time.




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Re: [Elecraft] KX3 Utility

[David Haines]

I just installed the latest version of the KX3 Utility from Elecraft.  
The only glitch was when Windows Defender tried to protect me from bad 
people, but I knew Elecraft wasn't bad people, so overrode the warning.  
All went well otherwise.


david
KC1DNY

On 7/26/2023 3:24 PM, Dave wrote:

Is there a problem with the KX3 Utility? I download the Windows version and get 
this:

KX3_Utility_Setup_1_23_5_22.exe isn’t commonly downloaded

It doesn’t seem to be an .exe file   ??

Any help appreciated.

Tnx,
Dave N8AG


Sent from Mail for Windows

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Re: [Elecraft] [OT] A dumb question about lightning

[David Decoons]

Just take note the link to the R56 manual is for a manual from 2005. Most of 
the principals have not changed but there have been changes to it over the last 
18 years. (“Lessons learned” applied).

73
Dave wo2x (ex Motorolan)

Sent from my iPad

> On Jul 29, 2023, at 10:32 AM, Alan Bloom  wrote:
> 
> Hi Al,
> 
> The "Bible" on this subject that has been used for many years by the 
> telecommunications industry is Motorola's "R56, Standards and Guidelines for 
> Communications Sites":
> 
> https://www.blm.gov/sites/blm.gov/files/Lands_ROW_Motorola_R56_2005_manual.pdf
> 
> It's kind of complicated, but it's what you have to do if you really want to 
> protect your site.  Of special interest are Chapter 4 "External Grounding 
> (Earthing)", Chapter 5 "Internal Grounding (Earthing)", and Chapter 7 "Surge 
> Protective Devices".
> 
> Alan N1AL
> 
> 
>> On 7/28/2023 10:31 PM, Al Lorona wrote:
>> Please don't laugh at me; I'm a transplant from a region of the country with 
>> essentially no lightning to a region where you have to worry about it quite 
>> a bit.
>> 
>> We had a doozy of a storm last night, with lots of lightning overhead. I 
>> felt like a sitting duck, even though I had grounded both sides of the 
>> balanced feedline of the antenna, switched the antenna switch to the middle 
>> (grounded) position, and even disconnected the coax leading to the K3's 
>> rear-panel antenna port.
>> 
>> Whenever lightning happens, I always wonder if it really is in fact better 
>> to ground everything. Because, doesn't that essentially make a lightning rod 
>> of the antenna? If I simply disconnected the antenna and left it floating, 
>> wouldn't it be less likely to attract a lightning bolt?
>> 
>> I'm of the belief that it's better to try to avoid a direct hit than to 
>> attract one and trust your grounding system to do its thing. I'm of the 
>> belief that no grounding system is perfectly effective.
>> 
>> Al  W6LX/4
>> 
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Re: [Elecraft] [OT] A dumb question about lightning

[David Gilbert]

I suspect that is the rule rather than the exception.  I have seen 
several satellite and cable TV installations where the installer didn't 
bother to ground back to the service entrance and instead simply drove a 
short rod into the ground at a point closest to the cable gear.


Dave   AB7E



On 7/28/2023 5:46 PM, Tom Doligalski via Elecraft wrote:


Turned out when the cable was brought into the house many years ago the
installer failed to adequately ground at the entry point


Tom W4KX



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Re: [Elecraft] K3 Power-hunting on FT8

[David Gilbert]

Sorry, but I would want to see live spectrum displays of my own rig with 
a known hardware setup instead of images of some other K3 with unknown 
K3 settings and unknown test setup.  Hundreds of us have been following 
the just barely flickering 5 bar rule with excellent performance.


You know that you're experiencing power hunting the way you are doing it 
... you don't know that you're generating trash the way everyone else 
does it.


73,
Dave  AB7E



On 7/20/2023 7:33 PM, Pete Smith N4ZR wrote:
OK guys - rather than reply individually, let me try to pull 
everything together in one message.


In a previous effort at FT8 I followed the standard advice to set the 
power slider in WSJT-X (on the lower RIGHT side) so that my K-3 showed 
4 bars on the ALC meter, just below the threshold for ALC starting, 
and that seemed to work fine.  Then a technically-qualified local ham 
showed me spectrum analyzer images of a K-3 at 4 bars versus at no 
bars, and the difference was startling - the no bars signal was clean 
and narrow, while the 4-bars signal looked like some of those SSB sigs 
we hear during contests, wide and with many artifacts.  I am not going 
to identify my source here, but I'm fairly sure he reads this 
reflector, so maybe he'll join the discussion


Anyway, I'm kind of at sea - WSJT-X works fine with no bars - I've 
finished 12 and 17M, as well as digital DXCC in the last few weeks, 
following his advice.  But the hunting typically takes almost 20 
seconds of transmitting - roughly 1 1/2 FT-8 cycles - to reach full 
power - and happens every time I change bands, which puts me behind 
the curve if I switch bands, see someone I need, and have to spend 1 
1/2 transmit cycles getting up to full power before I can call him 
effectively.


73, Pete N4ZR


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Re: [Elecraft] Is KX3 going obsolete soon?

[David Herring]

TU Mark…yeah...I didn’t remember that at first…well, one learns (or re-learns) 
something new everyday…

The KX2 came out around 2016, and the KX3 around 2011, if I am remembering 
correctly now.

Anyhow, the point of that (mis)statement was to say that while there may be a 
new rig on the drawing board, we don’t really know, a new rig doesn’t 
necessarily mean an older one is going away.  This being offered in response to 
the ongoing question, posed by others - not me, of whether the KX3 is going to 
be end-of-life’d soon.


73,
Dave - N5DCH




> On Jul 19, 2023, at 9:18 AM, Mark Musick  wrote:
> 
> Hi Dave,
> The KX2 came out after the KX3.
> They are two different platforms aimed at two different markets. The KX2 is 
> 80-10 meters only with an internal ATU. The KX3 is 160-2 meters (with the 
> internal transverter) and internal ATU with optional PX3.
> Elecraft points this out on their website.
> From their website see below.
> 
> KX2 vs KX3: Which one should I buy?   Learn More  
> https://elecraft.com/pages/kx2-vs-kx3-which-one-should-i-buy 
> <https://elecraft.com/pages/kx2-vs-kx3-which-one-should-i-buy>
> 
> There never was any intention of one replacing the other.
> 
> 73,
> Mark, WB9CIF
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> <mailto:elecraft-boun...@mailman.qth.net>  <mailto:elecraft-boun...@mailman.qth.net>> On Behalf Of David Herring
> Sent: Wednesday, July 19, 2023 14:25
> To: Elecraft Forum  <mailto:elecraft@mailman.qth.net>>
> Subject: Re: [Elecraft] Is KX3 going obsolete soon?
> 
> Speaking of looking ahead, some time ago (year or more?) Wayne did solicit 
> input from the email list as to what we’d like to see in a rig that would 
> compete in the KX2 - KX3 market space.  That suggests to me that potentially 
> a KX4 (or something of that ilk)  is at least being thought about.
> 
> That is just offered as a data point.  We cannot necessarily conclude that 
> the KX2 or KX3 are about to be end-of-life’d.  After all, the KX3 didn’t 
> sunset the KX2...
> 
> 73,
> Dave - N5DCH
> 
> 
> 
> 
>> On Jul 18, 2023, at 8:45 PM, Todd KH2TJ  wrote:
>> 
>> Elecraft is good at keeping things hush-hush    The little FX-4C, and 
>> now the FX-4CR, are selling like hot cakes!  Still can't beat the 
>> performance of the KX2 or the KX3 though.   I wouldn't be surprised if 
>> they're not looking "ahead"
>> 
>> I too had thought about snatching up a KX3 just to have 6 meters in a trail 
>> friendly setup...
>> 
>> Later,
>> Todd KH2TJ
>> 
>> 
>> 
>> From: Paul GACEK
>> 
>> 
>> I don’t think the KX3 is going obsolete and I believe any idea of a KX3+, 
>> KX3 v2 or even a KX4, a flight of fantasy.
>> 
>> Paul
>> W6PNG/M0SNA
>> http://www.no/ <http://www.no/>
>> madic.blog%2F=05%7C01%7C%7C9db791c1a8044ab1424308db88642991%7C84d
>> f9e7fe9f640afb435%7C1%7C0%7C638253736007529918%7CUnknown%7
>> CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXV
>> CI6Mn0%3D%7C3000%7C%7C%7C=sKaVvs2I6pdxhIQjdAxFkJOrXdQhtu6OTWmTLQ
>> DTndg%3D=0<https://na01.safelinks.protection.outlook.com/?url 
>> <https://na01.safelinks.protection.outlook.com/?url>
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>> 8253736007529918%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV
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>> nknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1ha
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Re: [Elecraft] Is KX3 going obsolete soon?

[David Herring]

Speaking of looking ahead, some time ago (year or more?) Wayne did solicit 
input from the email list as to what we’d like to see in a rig that would 
compete in the KX2 - KX3 market space.  That suggests to me that potentially a 
KX4 (or something of that ilk)  is at least being thought about.  

That is just offered as a data point.  We cannot necessarily conclude that the 
KX2 or KX3 are about to be end-of-life’d.  After all, the KX3 didn’t sunset the 
KX2...

73,
Dave - N5DCH




> On Jul 18, 2023, at 8:45 PM, Todd KH2TJ  wrote:
> 
> Elecraft is good at keeping things hush-hush    The little FX-4C, and 
> now the FX-4CR, are selling like hot cakes!  Still can't beat the performance 
> of the KX2 or the KX3 though.   I wouldn't be surprised if they're not 
> looking "ahead"
> 
> I too had thought about snatching up a KX3 just to have 6 meters in a trail 
> friendly setup...
> 
> Later,
> Todd KH2TJ
> 
> 
> 
> From: Paul GACEK
> 
> 
> I don’t think the KX3 is going obsolete and I believe any idea of a KX3+, KX3 
> v2 or even a KX4, a flight of fantasy.
> 
> Paul
> W6PNG/M0SNA
> www.nomadic.blog
> 
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Re: [Elecraft] Is KX3 going obsolete soon?

[David Gilbert]

I think you are most likely wrong about that.  Elecraft is quite 
obviously paring down their line of products and the lower end of the 
scale is just about gone.


Dave   AB7E



On 7/15/2023 6:29 AM, eA wrote:

I'm sure they've been working on a
replacement


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Re: [Elecraft] KX3 Package For Sale

[David Gilbert]

He says below only as a set (see the arrow I added).

Dave  AB7E


On 7/9/2023 2:18 PM, Lee Hiers wrote:

Items sold separately or only as a package?

Prices?

Lee, AA4GA

On Sun, Jul 9, 2023, 2:15 PM Steve Plotner  wrote:


Good morning.
  I have a new/old stock KX3 Transceiver, Px3 Panaadapter & KXPA 100W
Ext. Amplifier w/150W Antenna Tuner. I bought this (as well as a couple of
other radios) from my Elmer, mentor, and friend. as new, never opened.
Each Item comes with factory-included cables and adapters:
A)
1) KX3-F KX3 160-6M Transceiver, Factory Assembled S/N 1293
2) KXAT3 Internal, Wide-Range 20-W Automatic Antenna Tuner
3) KXBC3 Internal NiMH Charger with Real-Time Clock for KX3 (Purchased
separately - Not yet installed)
4) KXFL3 Dual-Passband Filter
5) KXPD3 Precision Keyer Paddle (Purchased separately - Not yet installed)
6) MH3 Hand Microphone for KX3
7) BNG-RA BNC Rt. Angle M-F
8) KX3-PCKT KX3 Accessory Cable Set
9) KXUSB USB Interface Cable
10) E850524 KX3 Pwr. Cable 18 AWG Rt. Angle

B)
1) PX3-F Panadapter for the KX# Factory Assembled S/N 0956
2) PWR12V1A-US 12V, 1A 100-240, Power Supply (US Version Only)
3) KXUSB USB Interface Cable
4) PX3CBL PX3 Cable Kit5) E850524 KX3 Pwr. Cable 18 AWG Rt. Angle
5) E8505524

C)
1) KXPA100-AT-F 100W EXT Amplifier with 150 Antenna Tuner - Factory
Assembled S/N 0128
2) KXPACBL KX3 to KXPA100 Integrated IO Cable
3) KXUSB  USB Interface Cable
4) E870023 KXPA Power Cable with Fuses
5) RCA-RCA Cable RCA-M to RCA-M


I assembled this package and used it lightly for a little over a year. I
also updated all of the firmware. It is an impressive, quiet radio. I am
selling to purchase a new fixed station radio.
Items will be shipped in all of their original packaging, boxes, and
original bound manuals. Manuals as well, are flat clean and as new.  All of
the above will be shipped 2nd day UPS or FedEx, insured.
The condition for all items is as new. no scuffs or scrapes dents or dings.
Pictures will be available upon request. I bought them as a complete set 
<-
and that is how I am selling them. All sales are final.
Payments accepted are, Paypal, Vemmo, Zell, a cleared check, or a
money order.
QRZ information is accurate.
  Thanks for looking.


Stephen B. Plotner - *W5SBP*
Plotner Mechanical Design & Prototyping, LLC
1616 Skidmore Ln.
Tyler, TX 75703
903.372.3057 (Always)


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Re: [Elecraft] Field Day Operation

[David Gilbert]

I don't have a TS-590S but I'm sure somebody who has one can tell you 
how.   Crank up the audio drive from Windows (or whatever), run the 
TS-590S in USB mode and crank up the audio gain and compression, etc.  
It simply doesn't make sense that you can't overdrive a TS-590S.


Dave  AB7E


On 7/8/2023 8:18 AM, Andy Durbin wrote:

"but I guarantee that it can be easily done with a TS-590S as well.  You just didn't 
do it right."

Ok, please tell me how to do that.  Specific settings please from a test that 
you actually ran with a TS-590S.

My tests had all audio drive sliders to max and ALC meter hard on the stop.  
Clean signal for FT8 and PSK.  I didn't believe that was possible until I ran 
the tests.


Andy, k3wyc




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Re: [Elecraft] Field Day Operation

[David Gilbert]

Of course a K3 can generate bad FT8 signals if you drive the audio hard 
enough, but I guarantee that it can be easily done with a TS-590S as 
well.  You just didn't do it right.


Dave   AB7E


On 7/8/2023 7:22 AM, Andy Durbin wrote:

Just a few comments on dirty signals and the rigs that can, if badly adjusted, 
produce them.

I've been using a Kenwood TS-590S for about 10 years.  I was asked to give a 
couple of digital modes presentations to the local club .  I was seeing so many 
foul JT65, and now FT8 signals, that I wanted to use my TS-590S to produce bad 
signal examples and show the operator errors that caused them.  I tried 
everything I knew and could not make my TS-590 produce anything but a clean 
signal.  I had to resort to my library of screen captures of other station's 
signals for my presentation.

On the other hand, one of the worst FT8 signals I ever saw was transmitted by a 
very experienced local operator using a K3.  He fixed the problem as soon as he 
saw my screen shots.

Just because someone told you the K3 is the best rig ever made does not mean it 
can't produce some really nasty signals!

Andy, k3wyc


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[Elecraft] Fwd: SOLD K3-100 DX/Contesting Transceiver and Accessories

[David Needham]

All items have been sold. Thank you to all that inquired

David Needham, AA4VT
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[Elecraft] Fwd: SOLD K3-100 DX/Contesting Transceiver and KAT3A, K-Pod still available

[David Needham]

The K3-100 and KAT3 have been sold. The K-Pod is still available

- K-Pod and flat cable for K3, like new, includes new KPOD Aux cable, now
reduced to $275, free shipping and insurance to the lower US 48 states.

Please contact me off list at AA4VT dot Dave at gmail dot com

Thank you!
David Needham, AA4VT

I am selling my well equipped, single receiver 100W K3-100. It comes from a
non-smoking, no pet home and is in excellent condition. It has been my
backup rig and is lightly used. It will come carefully packed in an
Elecraft K3 box.

It is Serial number 52XX and includes the following:
- KSYN3A-F, Synthesizer upgrade
- KDVR3, Digital Voice Recorder
- K312VMDKT-F, 12VDC mod for P-3 power
- KXV3B-F, RX Ant, IF out, Preamp
- KIO3B USB Interface upgrade
- 2.7 kHz stock SSB filter
- 2.1 hHz, 8 pole SSB filter
- 400 Hz, 8 pole CW filter
- 250 Hz, 8 pole CW filter
- Neogrip for tuning knob

I sent it to the factory for the following updates  in October 2017:
- KPOD Ready, FP R82 to 6.8 ohm
- L3AudProtMDKT Audio Protection Board
- Gold Pins: Front Panel, P30 and P35
- 7T Capacitor
- Stainless top cover screws
- Factory calibration and alignment to meet or exceed factory specifications

Price $1,950, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.

Please contact me off list at AA4VT dot Dave at gmail dot com
-- 
Thank you!
David Needham, AA4VT
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[Elecraft] SOLD K3-100 DX/Contesting Transceiver, Accessories still available

[David Needham]

The K3-100 has been sold. The KAT3 and K-Pod are still available

- KAT3A 100W ATU, new, never installed $425.00 (Elecraft no longer has
these in stock!)
- K-Pod and flat cable for K3, like new, includes new KPOD Aux cable $295

Please contact me off list at AA4VT dot Dave at gmail dot com

Thank you!
David Needham, AA4VT

I am selling my well equipped, single receiver 100W K3-100. It comes from a
non-smoking, no pet home and is in excellent condition. It has been my
backup rig and is lightly used. It will come carefully packed in an
Elecraft K3 box.

It is Serial number 52XX and includes the following:
- KSYN3A-F, Synthesizer upgrade
- KDVR3, Digital Voice Recorder
- K312VMDKT-F, 12VDC mod for P-3 power
- KXV3B-F, RX Ant, IF out, Preamp
- KIO3B USB Interface upgrade
- 2.7 kHz stock SSB filter
- 2.1 hHz, 8 pole SSB filter
- 400 Hz, 8 pole CW filter
- 250 Hz, 8 pole CW filter
- Neogrip for tuning knob

I sent it to the factory for the following updates  in October 2017:
- KPOD Ready, FP R82 to 6.8 ohm
- L3AudProtMDKT Audio Protection Board
- Gold Pins: Front Panel, P30 and P35
- 7T Capacitor
- Stainless top cover screws
- Factory calibration and alignment to meet or exceed factory specifications

Price $1,950, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.

Also for sale:
- KAT3A 100W ATU, new, never installed $425.00
- K-Pod and flat cable for K3, like new, includes new KPOD Aux cable $295

Please contact me off list at AA4VT dot Dave at gmail dot com
-- 
Thank you!
David Needham, AA4VT
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[Elecraft] Fwd: For Sale K3-100 DX/Contesting Transceiver and accessories

[David Needham]

-- Forwarded message -
From: David Needham 
Date: Mon, Jul 3, 2023 at 2:58 PM
Subject: Fwd: For Sale K3-100 DX/Contesting Transceiver and accessories
To: 


(updating to show 100W version)

I am selling my well equipped, single receiver 100W K3-100. It comes from a
non-smoking, no pet home and is in excellent condition. It has been my
backup rig and is lightly used. It will come carefully packed in an
Elecraft K3 box.

It is Serial number 52XX and includes the following:
- KSYN3A-F, Synthesizer upgrade
- KDVR3, Digital Voice Recorder
- K312VMDKT-F, 12VDC mod for P-3 power
- KXV3B-F, RX Ant, IF out, Preamp
- KIO3B USB Interface upgrade
- 2.7 kHz stock SSB filter
- 2.1 hHz, 8 pole SSB filter
- 400 Hz, 8 pole CW filter
- 250 Hz, 8 pole CW filter
- Neogrip for tuning knob

I sent it to the factory for the following updates  in October 2017:
- KPOD Ready, FP R82 to 6.8 ohm
- L3AudProtMDKT Audio Protection Board
- Gold Pins: Front Panel, P30 and P35
- 7T Capacitor
- Stainless top cover screws
- Factory calibration and alignment to meet or exceed factory specifications

Price $1,950, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.

Also for sale:
- KAT3A 100W ATU, new, never installed $425.00
- K-Pod and flat cable for K3, like new, includes new KPOD Aux cable $295

Please contact me off list at AA4VT dot Dave at gmail dot com
-- 
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT
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[Elecraft] Fwd: For Sale K3 DX/Contesting Transceiver and accessories

[David Needham]

(Subject typo corrected)

I am selling my well equipped, single receiver K3. It comes from a
non-smoking, no pet home and is in excellent condition. It has been my
backup rig and is lightly used. It will come carefully packed in an
Elecraft K3 box.

It is Serial number 52XX and includes the following:
- KSYN3A-F, Synthesizer upgrade
- KDVR3, Digital Voice Recorder
- K312VMDKT-F, 12VDC mod for P-3 power
- KXV3B-F, RX Ant, IF out, Preamp
- KIO3B USB Interface upgrade
- 2.7 kHz stock SSB filter
- 2.1 hHz, 8 pole SSB filter
- 400 Hz, 8 pole CW filter
- 250 Hz, 8 pole CW filter
- Neogrip for tuning knob

I sent it to the factory for the following updates  in October 2017:
- KPOD Ready, FP R82 to 6.8 ohm
- L3AudProtMDKT Audio Protection Board
- Gold Pins: Front Panel, P30 and P35
- 7T Capacitor
- Stainless top cover screws
- Factory calibration and alignment to meet or exceed factory specifications

Price $1,950, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.

Also for sale:
- KAT3A 100W ATU, new, never installed $425.00
- K-Pod and flat cable for K3, like new, includes new KPOD Aux cable $295

Please contact me off list at AA4VT dot Dave at gmail dot com
-- 
Thank you!
David Needham, AA4VT


-- 
Thank you!
David Needham, AA4VT
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[Elecraft] For Sale K3 DX/Contesting Transceiver an accessories

[David Needham]

I am selling my well equipped, single receiver K3. It comes from a
non-smoking, no pet home and is in excellent condition. It has been my
backup rig and is lightly used. It will come carefully packed in an
Elecraft K3 box.

It is Serial number 52XX and includes the following:
- KSYN3A-F, Synthesizer upgrade
- KDVR3, Digital Voice Recorder
- K312VMDKT-F, 12VDC mod for P-3 power
- KXV3B-F, RX Ant, IF out, Preamp
- KIO3B USB Interface upgrade
- 2.7 kHz stock SSB filter
- 2.1 hHz, 8 pole SSB filter
- 400 Hz, 8 pole CW filter
- 250 Hz, 8 pole CW filter
- Neogrip for tuning knob

I sent it to the factory for the following updates  in October 2017:
- KPOD Ready, FP R82 to 6.8 ohm
- L3AudProtMDKT Audio Protection Board
- Gold Pins: Front Panel, P30 and P35
- 7T Capacitor
- Stainless top cover screws
- Factory calibration and alignment to meet or exceed factory specifications

Price $1,950, which includes 50% of the cost for shipping and insurance to
the lower US 48 states. Other locations are negotiable.

Also for sale:
- KAT3A 100W ATU, new, never installed $425.00
- K-Pod and flat cable for K3, like new, includes new KPOD Aux cable $295

Please contact me off list at AA4VT dot Dave at gmail dot com
-- 
Thank you!
David Needham, AA4VT
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Re: [Elecraft] K4 Rx is awesome...

[David Gilbert]

He never said what kind of antenna he was using.   A lossy antenna is 
much worse on transmit than it is on receive.  You can easily tolerate 
20 dB or more loss on receive (for pretty much ANY rig) ... but not on 
transmit, especially in a contest like FD where there is tons of QRM on 
the other end.


The K4 is a very fine rig, but not because of anything he claimed.

73,
Dave   AB7E



On 7/2/2023 11:03 AM, George Thornton wrote:

That was not my experience.

Right out the bat we were occupying a frequency and calling.  We were heard so 
well we found ourselves at the bottom of a pileup for the next two or more 
hours.

You might want to take a closer look at your various mic and transmitter 
settings.  These have to be adjusted correctly for maximum effect.



-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of David Fifield
Sent: Saturday, June 24, 2023 6:29 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K4 Rx is awesome...

I’ve been using my K4 at 100W (per the FD rules) this afternoon on several 
bands.
I am 1D OR.
I can hear many many stations but hardly any of them can hear me.
To me, this means that the K4 Rx is bomb-proof, sensitive, selective, and just, 
well, awesome.
If the other stations had better receivers, they might be able to hear me 
calling them.
They are obviously bogged down with on-site overload/spurii/phase noise etc.
What a pity.
I gave up replying hopelessly to CQFD’s from other 100W stations and went and 
did some woodworking instead.
Much more satisfying. Oh well….

73, Dave AD6A
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Re: [Elecraft] AX1 on tripod

[David Cripps]

Hi Julie and Jim

 

Many thanks for the comments on tripod adapter. The one at the show was a lot 
simpler (sorry I didn’t take a photo).

 

Rather than explain, I’ve made a very crude version with plasticine to show the 
concept – 

 

images at 
https://www.dropbox.com/sh/4ic1v5pzqe8dqx8/wh5Ms0AGEvrmluNFvLmna?dl=0

 

It simply had the BNC T piece, the ¼ socket, and a 4mm hole for the radial.  As 
I mentioned, I think this was 3D printed (and a lot neater than my plasticine!).

 

73s

 

David

 

 

From: Julia Tuttle 
Date: Saturday, 24 June 2023 at 18:49
To: 
Cc: Elecraft 
Subject: Re: [Elecraft] AX1 on tripod

 

Is this perhaps what you saw?

 

https://elecraft.com/products/axt1_axt1-tripod-adapter

 

On Sat, Jun 24, 2023, 13:24 David  wrote:

Hi
I’ve just been to the Friedrichshaven radio show and the Elecraft stand was 
demonstrating the AX1 mounted on a tripod. Unfortunately they only sell it as a 
kit.

Does anybody know of a camera tripod screw (1/4-20) to BNC adapter? 

It looked like a 3d printed plastic connector with a BNC “T” connector and a 
4mm hole for a banana plug for a radial.

Thanks and 73s

David G7IDB



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Re: [Elecraft] K4 Rx is awesome...

[David Gilbert]

That falls more under the category of lore than science.  By all 
accounts the K4 has a terrific receiver, but of the several possible 
reasons for what you experienced your receiver is at least a couple 
notches down the list.


73
Dave   AB7E


On 6/24/2023 6:28 PM, David Fifield wrote:

I’ve been using my K4 at 100W (per the FD rules) this afternoon on several 
bands.
I am 1D OR.
I can hear many many stations but hardly any of them can hear me.
To me, this means that the K4 Rx is bomb-proof, sensitive, selective, and just, 
well, awesome.
If the other stations had better receivers, they might be able to hear me 
calling them.
They are obviously bogged down with on-site overload/spurii/phase noise etc.
What a pity.
I gave up replying hopelessly to CQFD’s from other 100W stations and went and 
did some woodworking instead.
Much more satisfying. Oh well….

73, Dave AD6A


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[Elecraft] K4 Rx is awesome...

[David Fifield]

I’ve been using my K4 at 100W (per the FD rules) this afternoon on several 
bands.
I am 1D OR.
I can hear many many stations but hardly any of them can hear me.
To me, this means that the K4 Rx is bomb-proof, sensitive, selective, and just, 
well, awesome.
If the other stations had better receivers, they might be able to hear me 
calling them. 
They are obviously bogged down with on-site overload/spurii/phase noise etc. 
What a pity. 
I gave up replying hopelessly to CQFD’s from other 100W stations and went and 
did some woodworking instead.
Much more satisfying. Oh well….

73, Dave AD6A
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[Elecraft] AX1 on tripod

[David]

Hi
I’ve just been to the Friedrichshaven radio show and the Elecraft stand was 
demonstrating the AX1 mounted on a tripod. Unfortunately they only sell it as a 
kit.

Does anybody know of a camera tripod screw (1/4-20) to BNC adapter? 

It looked like a 3d printed plastic connector with a BNC “T” connector and a 
4mm hole for a banana plug for a radial.

Thanks and 73s

David G7IDB



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Re: [Elecraft] Shipping dates

[David Gilbert]

Elecraft is a considerably different company now.  A greatly pared down 
product line and not at all the same customer communications that it 
built its reputation on.


A variety of factors has no doubt led to this, but it is what it is.

73,
Dave   AB7E



On 6/24/2023 9:13 AM, n6...@outlook.com wrote:

Well, another week has come and gone without a peep from Elecraft about the K3 
upgrade kits that I have on order. Sure would be nice to get an update Eric.

Gary


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Re: [Elecraft] Attempted KX2 purchase!

[David Gilbert]

I don't get it ... forewarned of what?

QRZ.com indicates K7CUU is a quite elderly QRP fan who owns a KX2, 
according to you the ad says he is ill, and assuming you sent the check 
to his listed address the most you could logically assume is that his 
wife doesn't read his emails.   Your post seems like a pretty 
questionable aspersion.


Dave   AB7E


On 6/23/2023 4:37 PM, KJ wrote:

I made contact with a K7CUU who, apparently on May 22, was selling a KX2, on 
this forum, with several accessories.
I had several days of back and forth email communication prior to me mailing a 
check on June 19th.
I included a photo of the check and envelope in an email on the 19th.
After that; all email communication ended!! A follow up email the next day, 
again, yielded, no response. Tuesday, Wednesday and up to Thursday evening, 
nothing.
It was then I called the bank and put a "stop payment" on the check.
A word to the wise. "Forewarned is Forearmed."
Per QRZ, his wife is also a ham operator. The ad said he was ill, however, if 
that's the case I would hope she would have equal knowledge of his selling and 
respond accordingly.

Ken, W2GIW


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Re: [Elecraft] JS8call

[David Haines]

Thanks to all for solving my puzzle.  I was mistakenly thinking that the 
filter setting (bandwidth) was maxed out when the graphic was max and 
didn't realize it can go much higher.

All is well, now.

david
KC1DNY

On 5/31/2023 1:27 PM, Dennis Moore wrote:
Are your filter settings different between the two modes? It may only 
be showing what the filter is allowing through.


73, Dennis NJ6G

On 5/31/2023 09:53, David Haines wrote:
After years of success with FT8 here's a puzzle I've never solved: 
For FT8 when I set WSJT-X radio settings to Data/Pkt, the WSJT-X 
waterfall display seems useless, with all the signals concentrated at 
the center of the waterfall.
For that reason I always set WSJT-X to USB and get a useful 
waterfall.  Why does this happen and am I missing something?


david

KC1DNY
KX3  and now a brand new KX2.


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