[Elecraft] SALE- KX3 Side KX and ES80 carrying case.

[ken057581]

Hi all,
Have the following items for sale as extras from a previous purchase.
Ideally, would like to send both to one location. $10.00 off for purchasing 
both.

>Gems Products Side KX; End Plates and Protective Plastic Cover for the KX3.
$55.00 shipped, CONUS only.

>KX3, ES80 carrying case. This case is large enough to hold the KX3, PX3 and 
>accessories. In like new condition.
$55.00 shipped. CONUS only.

Photos on request. Also available on the Side KX and Elecraft web sites.
All sales final.
PayPal Friends & Family, Zelle, Cleared Personal Check, Postal Money Order, 
Bank Cashier's Check are all ok.
Thanks, Ken, W2GIW.
ken057...@gmail.com


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[Elecraft] SOLD------SALE- KX3 Side KX and ES80 carrying case.

[ken057581]

SoldThanks all.Ken

Hi all,
Have the following items for sale as extras from a previous purchase.
Ideally, would like to send both to one location. $10.00 off for purchasing 
both.

>Gems Products Side KX; End Plates and Protective Plastic Cover for the KX3.
$55.00 shipped, CONUS only.

> KX3, ES80 carrying case. This case is large enough to hold the KX3, PX3 and 
> accessories. In like new condition.
$55.00 shipped. CONUS only.

Photos on request. Also available on the Side KX and Elecraft web sites.
All sales final.
PayPal Friends & Family, Zelle, Cleared Personal Check, Postal Money Order, 
Bank Cashier's Check are all ok.
Thanks, Ken, W2GIW.
ken057...@gmail.com


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Re: [Elecraft] Thursday

[Pete Smith N4ZR]

SPAM - don't respond.

73, Pete N4ZR

On 2/1/2024 10:33 AM, Ray Spreadbury via Elecraft wrote:


Hi,

Hope you are doing well? Apologies for the inconvenience, do you've a 
free moment over email?


Looking forward hearing back from you.

Regards
Ray
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[Elecraft] K3(S)/P3 for sale - Exellent Example

[Alan Geller via Elecraft]

For Sale: K3(S)/P3. - K3 with nearly all (S) options in excellent condition. 
Very clean P3

K3 (S/N 4757) upgrades:
a. KTCXO3-1  1ppm txco
b. KSYN3AUPG  Syn Board u/g
c. KXV3B.  I/O  U/G
d. KIO3BUPKT.   I/O u/g
e. K5PF3/K5LSA-6K  Gen cov + AM 6k filter
f. All 5 filters bought or  u/g to 8 poles
g. K3SSKT.  Stainless h/w upgrade

2.  P3 -F
a. CBLP3Y.  K3S adapter cable

Included:all necessary cables, Paper and  digital manuals. Hard 
pelican case for K3

Results of 2016 factory checkout:
8 volt regulator filter cap installed
KPOD ready, FP R82 to 6.8 ohm
K3 audio protection board install
Front panel gold pins
Factory cal and alignment


Operation Pak 
Consists of Heil Goldline microphone with K3 cable, Heil large earphones and 
Bencher Iambic Paddle in Black. This is sold separately.
Although only with the XCVR.

PRICING
K3(S)/P3….$2,250
Operation Pak………   $145

Pictures available if interested. QSO available on HF. Shipping extra. Local 
pickup encouraged, Redwood City location.

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[Elecraft] FS: K4D Complete Station

[Dave Fifield]

Sadly, I am forced to sell a lot of my ham radio gear (downsizing into 
retirement). 

I would like to sell my hardly used complete K4D station which includes a K4D 
100W HF/6m transceiver with built-in KAT4 automatic tuner, KPOD, keyboard, and 
MH4 microphone, a KPA1500 HF/6m PA with all the cables, two SP4 speakers, a 
Nuito HD portable LCD monitor, with manuals. All works as it should. This lot 
would cost you over $14K new. I’ll sell the whole station for $10.5K - cash, 
check or PayPal only - checks and PayPal will have to clear before I ship. 
Shipping and insurance to CONUS included, shipping/insurance outside of CONUS 
at cost.

Please contact me off list directly by email d...@ad6a.com 
 or by phone 408-209-7373 if interested. Photos and/or 
zoom call for demo available upon request.

I will also be selling the following (prices still to be worked out):

1. Four KX-3 rigs, all with built-in automatic antenna tuners and 2m upgrade 
modules, some with added heatsink/handles, some with PX3 panadaptor, some 
without.
2. One KX-2 rig with built-in automatic tuner, with carry bag.
3. One T1 QRP portable automatic antenna tuner.
4. One KXPA-100 with all cables.
5. One K3S with just about every option there ever was - 2m module, 2nd RX, 
External reference, P3 pan adapter with video and TX monitor, lots of filters 
etc.
6. Two SP3 speakers (that could go with the K3S as a package).
7. One W2 wattmeter with various power heads.

I’ll be posting information about these separately shortly, but do contact me 
if interested in any of these to focus my attention. Additionally, I will be 
selling a ton of other non-Elecraft radios and high-power PA’s (HF, VHF, UHF, 
Microwave), but not here on the Elecraft reflector.

Thanks es 73,
Dave Fifield
AD6A
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[Elecraft] K3s port isolation??

[Peter Dougherty (W2IRT) via Elecraft]

So I have a weird situation going on with my K3s. First a bit of background:

 

I have been experiencing extreme powerline noise for years (this isn't about
that), so I've been looking for ways of mitigating it on my end to at least
get useful signals of some kind on 80 and 160. I have a K9AY loop RX antenna
and a full-size 80m Inverted Vee at 65'. Tonight, I was switching between my
Inverted Vee and the K9AY loop with an external noise-canceller (WIMO "QRM
Eliminator") in line. It's somewhat effective with about a 30dB improvement
on the K9AY. But then something quite unexpected happened.

I wanted to see how low my noise floor was with this new device inline so I
figured I'd switch to an empty antenna port (ANT-2 on the K3s). As soon as I
pressed the button my noise floor dropped to from about -130 to -140 on my
P3, lower than it's been in years. But I was still hearing FT8 and the
signal-to-noise improved considerably. This is.surprising to say the least.
How am I still able to copy weak FT8 signals (and CW) with absolutely
nothing connected to the ANT-2 port? I'm talking about copying stations in
A7, V3, CT3, and west-coast US, not strong locals. I don't think I've ever
had lowband S/N that good before to be honest. What is the port isolation
supposed to be like on the K3s and is what I'm seeing normal? 

 

Just to be clear, I disconnected my AUX antenna that I use occasionally for
diversity RX, and my K9AY and it was still the same. Only my Inverted Vee
was connected to the K3s. When I disconnected it everything dropped to
nothing. Is what I'm seeing expected behaviour? And this leads to a big
question. With ANT-2 selected for RX, (remember, there's nothing connected
to the ANT-2 SO-239 on the radio) is it possible to select a different TX
Antenna? I'd be pleased as punch to receive in this configuration but it's
not practical to manually switch from ANT-2 on receive back to ANT-1 for
transmit.

 

 

Regards,
Peter Dougherty, W2IRT

 

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Re: [Elecraft] K3s port isolation??

[Peter Hall]

Hello Peter,

I'm not an Elecraft transceiver user so I'll defer to others on the radio 
specifics.

One thing to watch is that you're actually "seeing" the noise properly on the 
apparently high s/n port.  In other words, make sure the levels are sufficient 
throughout the analog - digital chain in order to allow a proper s/n 
calculation to be performed.  Not ensuring that is a classic way of getting an 
artificially high s/n.

73, Peter (Vk6HP)


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Peter Dougherty (W2IRT) via Elecraft
Sent: Friday, 2 February 2024 10:39 AM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3s port isolation??

So I have a weird situation going on with my K3s. First a bit of background:



I have been experiencing extreme powerline noise for years (this isn't about 
that), so I've been looking for ways of mitigating it on my end to at least get 
useful signals of some kind on 80 and 160. I have a K9AY loop RX antenna and a 
full-size 80m Inverted Vee at 65'. Tonight, I was switching between my Inverted 
Vee and the K9AY loop with an external noise-canceller (WIMO "QRM
Eliminator") in line. It's somewhat effective with about a 30dB improvement on 
the K9AY. But then something quite unexpected happened.

I wanted to see how low my noise floor was with this new device inline so I 
figured I'd switch to an empty antenna port (ANT-2 on the K3s). As soon as I 
pressed the button my noise floor dropped to from about -130 to -140 on my P3, 
lower than it's been in years. But I was still hearing FT8 and the 
signal-to-noise improved considerably. This is.surprising to say the least.
How am I still able to copy weak FT8 signals (and CW) with absolutely nothing 
connected to the ANT-2 port? I'm talking about copying stations in A7, V3, CT3, 
and west-coast US, not strong locals. I don't think I've ever had lowband S/N 
that good before to be honest. What is the port isolation supposed to be like 
on the K3s and is what I'm seeing normal?



Just to be clear, I disconnected my AUX antenna that I use occasionally for 
diversity RX, and my K9AY and it was still the same. Only my Inverted Vee was 
connected to the K3s. When I disconnected it everything dropped to nothing. Is 
what I'm seeing expected behaviour? And this leads to a big question. With 
ANT-2 selected for RX, (remember, there's nothing connected to the ANT-2 SO-239 
on the radio) is it possible to select a different TX Antenna? I'd be pleased 
as punch to receive in this configuration but it's not practical to manually 
switch from ANT-2 on receive back to ANT-1 for transmit.





Regards,
Peter Dougherty, W2IRT



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[Elecraft] K3 RIT tuning rate

[Mpridesti via Elecraft]

How does one adjust the tuning rate on the RIT knob?  Right it takes multiple 
turns of the knob to reach a multiple khz change. 

Have two K3’s but one has this problem. 

Regards,

Mark, K1RX


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Re: [Elecraft] K3s port isolation??

[Jim Brown]

Hi Peter,

There are many ways in which noise enters our radios. Failure to do 
proper grounding and bonding both within our stations and throughout our 
homes is one cause. Failure to chase down and remove the dozens of noise 
sources in typical US homes is another.


There are detailed Applications Notes on my website explaining how RFI 
happens, how to chase and hopefully kill it, and how to do that bonding 
and grounding. Your symptoms suggest that grounding and bonding is an 
important part of your problem, but so is killing as many of those 
sources as possible. While line noise is certainly a problem for many of 
us, trash generated by electronics in our own homes and those of our 
neighbors has long been an equally dominant source of that noise.


k9yc.com/publish.htm
k9yc.com/RFI-Ham.pdf
http://k9yc.com/KillingReceiveNoise.pdf
http://k9yc.com/GroundingAndAudio.pdf

Don't let the title of the last link fool you -- it's mainly about 
grounding and bonding for lightning safety and to kill noise.


73, Jim K9YC

On 2/1/2024 6:38 PM, Peter Dougherty (W2IRT) via Elecraft wrote:


I have been experiencing extreme powerline noise for years (this isn't about
that), so I've been looking for ways of mitigating it on my end to at least
get useful signals of some kind on 80 and 160. I have a K9AY loop RX antenna
and a full-size 80m Inverted Vee at 65'. Tonight, I was switching between my
Inverted Vee and the K9AY loop with an external noise-canceller (WIMO "QRM
Eliminator") in line. It's somewhat effective with about a 30dB improvement
on the K9AY. But then something quite unexpected happened.

I wanted to see how low my noise floor was with this new device inline so I
figured I'd switch to an empty antenna port (ANT-2 on the K3s). As soon as I
pressed the button my noise floor dropped to from about -130 to -140 on my
P3, lower than it's been in years. But I was still hearing FT8 and the
signal-to-noise improved considerably. This is.surprising to say the least.
How am I still able to copy weak FT8 signals (and CW) with absolutely
nothing connected to the ANT-2 port? I'm talking about copying stations in
A7, V3, CT3, and west-coast US, not strong locals. I don't think I've ever
had lowband S/N that good before to be honest. What is the port isolation
supposed to be like on the K3s and is what I'm seeing normal?

  


Just to be clear, I disconnected my AUX antenna that I use occasionally for
diversity RX, and my K9AY and it was still the same. Only my Inverted Vee
was connected to the K3s. When I disconnected it everything dropped to
nothing. Is what I'm seeing expected behaviour? And this leads to a big
question. With ANT-2 selected for RX, (remember, there's nothing connected
to the ANT-2 SO-239 on the radio) is it possible to select a different TX
Antenna? I'd be pleased as punch to receive in this configuration but it's
not practical to manually switch from ANT-2 on receive back to ANT-1 for
transmit.



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