Re: [Elecraft] [KX3] connection KX3-KXPA100-KAT500

2014-07-28 Thread Matt VK2RQ
Whenever you want to use the KPA500, make sure you set the KX3 menu item PA 
Mode to OFF. You can assign this menu item to one of the PF function keys for 
convenience.

73, Matt VK2RQ

On 29 Jul 2014, at 1:15 pm, Scott via Elecraft  wrote:

> Hi all,
> I have a KX3 with ATU and a KXPA100 with ATU (an overkill, I know, but I 
> didn't buy them together and they are for operating separately in the field). 
>  I would like hook both the KXPA100 and my K3 to the KAT500 in the shack 
> through a coaxial switch, but I can't get the new KXPA100 to play well with 
> the KAT500.  The amp keeps changing from bypass to auto and sometimes the atu 
> in the KX3 also kicks out of bypass.  The rig and amp/atu work fine connected 
> directly to the antenna.
> 
> I am still learning with the new amp, but if anyone has suggestions they are 
> welcome.
> 
> 73, Scott. XE1/AA0AA, AA0AA
> 
> Sent from Scott's iPad
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[Elecraft] [KX3] connection KX3-KXPA100-KAT500

2014-07-28 Thread Scott via Elecraft
Hi all,
I have a KX3 with ATU and a KXPA100 with ATU (an overkill, I know, but I didn't 
buy them together and they are for operating separately in the field).  I would 
like hook both the KXPA100 and my K3 to the KAT500 in the shack through a 
coaxial switch, but I can't get the new KXPA100 to play well with the KAT500.  
The amp keeps changing from bypass to auto and sometimes the atu in the KX3 
also kicks out of bypass.  The rig and amp/atu work fine connected directly to 
the antenna.

I am still learning with the new amp, but if anyone has suggestions they are 
welcome.

73, Scott. XE1/AA0AA, AA0AA

Sent from Scott's iPad
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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Joe Subich, W4TV


what you hear is a fast time constant on the auto notch.  The
faster time constant makes the notch respond faster but it also
allows it to attack "purer" tones in the audio.  The effect is
more noticeable on strong signals with flat AGC curves where
all frequencies in the audio passband are of similar levels.

The effect is a result of the design decisions made by the DSP
programmer - a tradeoff between notch effectiveness and fidelity.

73,

   ... Joe, W4TV


On 2014-07-28 9:11 PM, Sam Morgan wrote:

hard to describe, it's like the audio is getting chopped up, not sure
this would explain it, but it's kind of like the sound of someone
gargling being overlayed over the  signal audio. A combination of that
and the sound of NR @ 5-1.

if the band is very quiet and the signals strong it's very pronounced,
if the band is noisy it's not as pronounced

On 7/28/2014 7:52 PM, Dick Dickinson wrote:

What type of distortion are you hearing?
Dick - KA5KKT


==

I am noticing a bit of distortion on SSB signals when I enable the AUTO

Notch. Is there some setting I can change to eliminate the distorted

sound I am hearing now?




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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Phil Wheeler
At time like this I appreciate having 
"non-critical" hearing capability (deaf in one 
ear, ringing in both). My K3 sounds great under 
all conditions -- and no fan I have makes any 
noise :-)


Phil W7OX

On 7/28/14, 6:05 PM, Bill W2BLC wrote:

Hello Sam in Ole Angelo,

The distortion you are noticing is very real and 
has bothered me to no end. It is discussed on a 
couple of websites, that I am sure the "experts" 
will jump in and tell you all about.


I did some research on the subject and a lot of 
experimentation. I eventually found the 
distortion can be reduced (or enhanced if you 
like being annoyed) by changing the menu values 
of AGC SLP. I have mine set at 6 and it makes 
the warble of the ANF (Automatic Notch Filter) - 
far less than the 12 default setting. Some of my 
other menu settings (for the arm chair copy 
user) can be found at: http://www.w2blc.net/K3.htm


I am sure others can expound upon the whys and 
wherefores of the software anomaly that causes 
this annoyance. Suffice to say, invoking the ANF 
on my other rigs does not cause distortion on 
received signals.


As always, your mileage may vary.

Bill W2BLC K-Line


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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Dick Dickinson
I suspect, as Bill has suggested, it is AGC related.

 

Dick - KA5KKT

  _  

hard to describe, it's like the audio is getting chopped up, not sure 

this would explain it, but it's kind of like the sound of someone 

gargling being overlayed over the  signal audio. A combination of that 

and the sound of NR @ 5-1.

 

if the band is very quiet and the signals strong it's very pronounced, 

if the band is noisy it's not as pronounced

 

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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Gary Gregory
Bill

I have found if i am trying to remove Cw i can use manual notch set to the
signal and it seems the distortion fades away.
I gave up using both auto-notch and NR on the k3

Gary
Vk1ZZ
K3, KX3, KPA500-FT, KAT500-FT,P3.
On 29/07/2014 11:06 AM, "Bill W2BLC"  wrote:

> Hello Sam in Ole Angelo,
>
> The distortion you are noticing is very real and has bothered me to no
> end. It is discussed on a couple of websites, that I am sure the "experts"
> will jump in and tell you all about.
>
> I did some research on the subject and a lot of experimentation. I
> eventually found the distortion can be reduced (or enhanced if you like
> being annoyed) by changing the menu values of AGC SLP. I have mine set at 6
> and it makes the warble of the ANF (Automatic Notch Filter) - far less than
> the 12 default setting. Some of my other menu settings (for the arm chair
> copy user) can be found at: http://www.w2blc.net/K3.htm
>
> I am sure others can expound upon the whys and wherefores of the software
> anomaly that causes this annoyance. Suffice to say, invoking the ANF on my
> other rigs does not cause distortion on received signals.
>
> As always, your mileage may vary.
>
> Bill W2BLC K-Line
>
>
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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Sam Morgan
hard to describe, it's like the audio is getting chopped up, not sure 
this would explain it, but it's kind of like the sound of someone 
gargling being overlayed over the  signal audio. A combination of that 
and the sound of NR @ 5-1.


if the band is very quiet and the signals strong it's very pronounced, 
if the band is noisy it's not as pronounced


On 7/28/2014 7:52 PM, Dick Dickinson wrote:

What type of distortion are you hearing?
Dick - KA5KKT


==

I am noticing a bit of distortion on SSB signals when I enable the AUTO

Notch. Is there some setting I can change to eliminate the distorted

sound I am hearing now?



--
GB & 73
K5OAI
Sam Morgan
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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Bill W2BLC

Hello Sam in Ole Angelo,

The distortion you are noticing is very real and has bothered me to no 
end. It is discussed on a couple of websites, that I am sure the 
"experts" will jump in and tell you all about.


I did some research on the subject and a lot of experimentation. I 
eventually found the distortion can be reduced (or enhanced if you like 
being annoyed) by changing the menu values of AGC SLP. I have mine set 
at 6 and it makes the warble of the ANF (Automatic Notch Filter) - far 
less than the 12 default setting. Some of my other menu settings (for 
the arm chair copy user) can be found at: http://www.w2blc.net/K3.htm


I am sure others can expound upon the whys and wherefores of the 
software anomaly that causes this annoyance. Suffice to say, invoking 
the ANF on my other rigs does not cause distortion on received signals.


As always, your mileage may vary.

Bill W2BLC K-Line


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Re: [Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Dick Dickinson
What type of distortion are you hearing?

 

Dick - KA5KKT

  _  

I am noticing a bit of distortion on SSB signals when I enable the AUTO 

Notch. Is there some setting I can change to eliminate the distorted 

sound I am hearing now?

-- 

GB & 73

K5OAI

 

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[Elecraft] TX Noise Data

2014-07-28 Thread Jim Brown

On 7/28/2014 5:45 AM, N4OI - Ken wrote:

Perhaps this is discussed somewhere in the thread, but I am surprised by the
lack of Flex SDRs in the mix.  I would have thought at least a few would be
there for PR, if no other reason.


PR?  What's that?

The K3 and KX3 are both SDRs with knobs. I'm guessing that you mean SDRs 
without knobs.


My interest is primarily contesting, the subject was radios for 
contesting, and rigs like the Flex products have made little headway in 
the contesting community.  I know of only two guys contesting with Flex 
radios . One is K6TU, and the other is K6XN, who bought K6TU's older SDR 
that is new model replaced. No, I don't remember which models were 
involved.


However, several guys asked, so I've added all three SDRs that ARRL has 
tested to the plots.  I've also corrected a labeling error on one of the 
plots, added a plot of phase noise for a 500 Hz bandwidth, and added 
some text.  It's all still at k9yc.com/TXNoise.pdf  I suspect that these 
plots will make it clear why contesters aren't thrilled with these radios.


By all means, before you consider one of the Flex radios, be sure to 
study this work by Leif Asbrink, SM5BSZ.


http://sm5bsz.com/dynrange/dubus313.pdf

73, Jim K9YC


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[Elecraft] K3 Notch causes distortion on SSB RX

2014-07-28 Thread Sam Morgan
I am noticing a bit of distortion on SSB signals when I enable the AUTO 
Notch. Is there some setting I can change to eliminate the distorted 
sound I am hearing now?

--
GB & 73
K5OAI
Sam Morgan
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Re: [Elecraft] K3 Commands

2014-07-28 Thread Tom
Hi there is none. 
You can adjust it up and down but there is no direct command to read it. 
73s Tom 




 Original message 
From: Fred Jensen  
Date: 28/07/2014  17:06  (GMT-05:00) 
To: Elecraft Reflector  
Subject: [Elecraft] K3 Commands 
 
I notice in the K3 Programmers manual that there is a TE command to 
GET/SET the Tx Eq, but I can't find an equivalent RE command [or 
whatever] for the Rx Eq.  Am I missing something?

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

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Re: [Elecraft] KX3 birdies and ther LED brightness command

2014-07-28 Thread Don Wilhelm

Chris,

My guess is that you are hearing a low level digital noise (rather than 
birdies) coming from the MCU as it illuminates the LEDs.  The fact that 
they disappear when you turn the LED brightness down leads me to that 
conclusion.


73,
Don W3FPR

On 7/28/2014 2:13 PM, Christian Gondard wrote:

hello

With the antenna disconnected, I have noticed some very weak "birdies" 
on most of the bands, with a 15 khz separation; most of them are below 
the noise band level with a connected antenna; I made the test in a 
remote place in the deep vcountryside in souith west of france, with a 
KX3 poxered by battery ; natural or artificial noise level is very low.


but

these birdies disapear completely when the LED BRIGHTNESS COMMAND is 
set to 1, and reapear when the command is set higher than 1.




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[Elecraft] K3 Commands

2014-07-28 Thread Fred Jensen
I notice in the K3 Programmers manual that there is a TE command to 
GET/SET the Tx Eq, but I can't find an equivalent RE command [or 
whatever] for the Rx Eq.  Am I missing something?


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

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Re: [Elecraft] WRTC 2014 - Congratulations, Elecraft!...(and firmware update)

2014-07-28 Thread K8JHR



On 7/28/2014 8:45 AM, N4OI - Ken wrote:

Perhaps this is discussed somewhere in the thread, but I am surprised by the
lack of Flex SDRs in the mix.  I would have thought at least a few would be
there for PR, if no other reason.


__


There is an article that addresses the earlier Flex products, which 
shows the Flex 1500 and Flex 3000 to be... well... kinda punk in the 
noise department.



http://sm5bsz.com/dynrange/dubus313.pdf


No doubt it would be swell if all radios could be included, but I 
believe this is a HUGE time consuming job mining data by sifting through 
all those old reviews and selecting the correct data, and then even more 
time to plot them in a consistent manner.


I am not sure there is data on all rigs of interest, and the newest Flex 
radios revealed at Dayton have yet to be reviewed, heck it takes 8 to 9 
months for a new rig to get reviewed in QST magazine.  It takes time to 
test, and issue content is lined up months in advance.  I had a piece 
published in the Nov 2013 QST magazine, but it has been submitted 11 
months earlier.


 K8JHR --
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[Elecraft] KX3 birdies and ther LED brightness command

2014-07-28 Thread Christian Gondard

hello

With the antenna disconnected, I have noticed some very weak "birdies" 
on most of the bands, with a 15 khz separation; most of them are below 
the noise band level with a connected antenna; I made the test in a 
remote place in the deep vcountryside in souith west of france, with a 
KX3 poxered by battery ; natural or artificial noise level is very low.


but

these birdies disapear completely when the LED BRIGHTNESS COMMAND is set 
to 1, and reapear when the command is set higher than 1.


Has somebody else noticed the same bahaviour ?

best regards es 73
chris / F6FTB

---
Ce courrier électronique ne contient aucun virus ou logiciel malveillant parce 
que la protection avast! Antivirus est active.
http://www.avast.com

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Re: [Elecraft] KX3 with CW skimmer - ghost image problem

2014-07-28 Thread Matt VK2RQ
Run this procedure:
http://www.elecraft.com/manual/RX%20sideband%20null%20A8.pdf

73,
Matt VK2RQ

> On 27 Jul 2014, at 12:28 am, John Watkins  wrote:
> 
> All,
> 
> Noticed this when using skimmer and reporting spots to the RBN.  When I have 
> a strong station reported I will also spot a copy of that station weaker and 
> some 16 to 18 khz higher on the band.
> 
> Is there a solution to eliminate the false weaker image?
> 
> Thanks, John N0EVH
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Re: [Elecraft] FS: K3/!00 with options

2014-07-28 Thread KE8G
Looking at your 4 ads, you do not list any serial numbers; inquiring minds 
would like to know.

73 de Jim - KE8G

Sent from my iPad

> On Jul 28, 2014, at 10:36 AM, Doug Person via Elecraft 
>  wrote:
> 
> Selling my Elecraft K3/100. Excellent condition. Includes KXV3A, KAT3, 
> KFL3-A500, KFL3- A21K 2.1 filters. Also includes heavy-weight main tuning 
> knob and deluxe metal knobs on volume and RF gain. All firmware up to date. 
> Works perfectly. --- $2,500.00 --- Payment via PayPal - no fee. Shipped UPS 
> or USPS. Provide address for shipping costs.
> 
> Thanks & 73, Doug -- K0DXV
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[Elecraft] WTB:KTS1 tilt stand for K1

2014-07-28 Thread Bruce Beford
Have one you don't use? Please reply off-list with condx and price, shipped
to 03773.

Thanks,

Bruce/N1RX

"mycall" aht arrl doht net

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[Elecraft] FS: KAT500

2014-07-28 Thread Doug Person via Elecraft
Selling my KAT500.  Excellent condition.  Includes cables & manual. $525 
+ shipping.  Provide address for shipping costs. PayPal only - no fee.

Thanks & 73, Doug -- K0DXV
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[Elecraft] FS: P3

2014-07-28 Thread Doug Person via Elecraft
Selling my P3.  Includes all cables + manual. Excellent condition. $600 
+ shipping. PayPal only. Provide your address for shipping costs.

Thanks & 73, Doug -- K0DXV
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[Elecraft] FS: KPA500

2014-07-28 Thread Doug Person via Elecraft
Selling my KPA500 amplifier. Works perfectly. Wired for 240v but easily 
changed. Minor scuff marks on top. $1900 + Shipping (provide address for 
shipping costs). Payment via PayPal only - no fee.


Thanks & 73,  Doug -- K0DXV
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[Elecraft] FS: K3/!00 with options

2014-07-28 Thread Doug Person via Elecraft
Selling my Elecraft K3/100. Excellent condition. Includes KXV3A, KAT3, 
KFL3-A500, KFL3- A21K 2.1 filters. Also includes heavy-weight main 
tuning knob and deluxe metal knobs on volume and RF gain. All firmware 
up to date. Works perfectly. --- $2,500.00 --- Payment via PayPal - no 
fee. Shipped UPS or USPS. Provide address for shipping costs.


Thanks & 73, Doug -- K0DXV
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Re: [Elecraft] WRTC 2014 - Congratulations, Elecraft!...(and firmware update)

2014-07-28 Thread Bill Frantz
The West Valley Amateur Radio Association operating as K6EI and 
W6ZZZ (GotA) had a similar experience. We operated 6AB-QRP with 
CW, SSB and digital HF stations. We used K3s and KX3s 
exclusively. Our antennas were arranged in a line to minimize 
interference. We would often have CW, digital, and SSB on the 
same band. In operating the digital station, I never noticed the 
CW people. The only way I noticed the SSB people was by 
overhearing their sound waves from the tent next door. :-)


73 Bill AE6JV

On 7/27/14 at 7:40 PM, k2av@gmail.com (Guy Olinger K2AV) wrote:


This is something the North Carolina PVRC group that did field day
together north of Raleigh already knew about K3's vs. the world from a
pile of experiences.  We had five or six K3's available to us, and we
went purely with the K3's on HF in the 3A class.  We had a little
horizontal physical spread to help out, but we often had both CW and
SSB on the same band at the same time due to the conditions, and one
could not hear the co-band K3.


-
Bill Frantz| When it comes to the world | Periwinkle
(408)356-8506  | around us, is there any choice | 16345 
Englewood Ave
www.pwpconsult.com | but to explore? - Lisa Randall | Los Gatos, 
CA 95032


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[Elecraft] KX3 with CW skimmer - ghost image problem

2014-07-28 Thread John Watkins
All,

Noticed this when using skimmer and reporting spots to the RBN.  When I have a 
strong station reported I will also spot a copy of that station weaker and some 
16 to 18 khz higher on the band.

Is there a solution to eliminate the false weaker image?

Thanks, John N0EVH
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[Elecraft] FS: K2/100

2014-07-28 Thread K4KJC via Elecraft
Forgot to include price for K2/100:  asking $1050.00 shipped and  insured.  
Thanks, Mike
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Re: [Elecraft] WRTC 2014 - Congratulations, Elecraft!...(and firmware update)

2014-07-28 Thread N4OI - Ken
Perhaps this is discussed somewhere in the thread, but I am surprised by the
lack of Flex SDRs in the mix.  I would have thought at least a few would be
there for PR, if no other reason.

73



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Re: [Elecraft] CW using P3, help

2014-07-28 Thread ac2ev
Thank you. It was the VOX setting.
73
AC2EV - Don
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