Re: [Elecraft] P3 Noise signature

[Ron D'Eau Claire]

PLA 
73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Tim Hague
Sent: Monday, April 29, 2013 9:28 PM
To: k6...@foothill.net
Cc: Elecraft Reflector
Subject: Re: [Elecraft] P3 Noise signature

Could be in home PLA, sounds familiar


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Re: [Elecraft] P3 Noise signature

[Tim Hague]

Could be in home PLA, sounds familiar

Sent from my iPhone

On 30 Apr 2013, at 03:17, Fred Jensen  wrote:

> I usually check into the No Cal Net on 3533 each night.  I've begun to get 
> predictable noise with a unique signature on the P3 WF.  It's a series of 
> bands, the first [around 3545] is the widest, they get narrower up from that 
> and the separation seems to be about 40 KHz.  The higher components get 
> narrower but aren't any weaker.
> 
> Occasionally I've see it come on to an otherwise quiet band, and all the 
> "bands" on the WF drift some before stabilizing.
> 
> I have a screen shot from the P3 I'll send, anyone have any idea what this 
> is?  I never see it in the daytime on any band, just in the evening, which is 
> suspicious ... plasma TV?
> 
> If it's my neighbor Casey, I'll just need to live with it, we don't do battle 
> with our neighbors.  Besides, Sampson, their cat, gets along with ours and 
> shares his food.
> 
> 73,
> 
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 2013 Cal QSO Party 5-6 Oct 2013
> - www.cqp.org
> 
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[Elecraft] Elecraft CW Net Report for April 28th & 29th, 2013

[kevinr]

Good evening,
   Conditions on yesterday's nets were poor.  Twenty meters had very 
deep QSB.  NO8V was S5 one second, S1 the next, and ESP a beat later.  I 
could get about one word in three so copying the call signs was it.  
W0CZ who is normally strong to me was very weak on twenty meters and 
only marginally better on 40 meters where he could barely copy me.  On 
forty I heard a call and the next second they were gone.  I checked to 
see if my antenna was still up between nets.  I have been doing that a 
lot lately.  Aren't we supposed to be near a solar peak?  I was having 
better propagation when there were no sunspots.


   On to the lists =>

  On 14050 kHz at 2200z:
NO8V - John - MI - K3 - 820
W0CZ - Ken - ND - K3 - 457

  On 7045 kHz at 0100z:
NO8V - John - MI - K3 - 820
K0DTJ - Brian - CA - K3 - 4113
WI6O - John - CA - K1 - 922
K6PJV - Dale - CA - K3 - 1183
W0CZ - Ken - ND - K3 - 457

   I stepped out my front door a moment ago only to freeze.  A doe and 
her yearling fawn were both looking at me.  I looked at them and they 
finally relaxed.  Only then did I see the other yearling with her.  That 
one had not moved a muscle so I did not see her.  I watched them for a 
few minutes until it got too cold to keep holding the door open.  One of 
these days I am going to open the door and see a herd of elk standing 
there.  It has been a few years.

   73,
 Kevin.  KD5ONS  (Net Control Operator 5th Class)

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[Elecraft] KXPA100

[Dave Agsten]

I've been way too busy with work to keep up on the status of the KXPA100 
amplifier. What's the latest? When? Price? It seems like the Elecraft website 
has been saying "coming soon" for way too long. I'm seriously considering the 
Ten-Tec amp, especially when I compare pictures of the two. It looks like 
Ten-Tec has more functionality built into it also. Multiple antennas and a 
display.

 
73,
Dave N8AG
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Re: [Elecraft] Connector woes

[Don Wilhelm]

Tyler,

Those are relatively low cost parts, so order them.  It may be possible 
to salvage those headers, but why take a chance that could damage the RF 
board (think of the RF board value compared to the cost of replacement 
headers).  Don;t be penny wise and pound foolish, there is too much at 
stake.


If your solder sucker is not successful in removing the old connectors, 
grab one of the pins with pliers and pull while heating the solder 
connection for that pin - the pin will pull out in due time.  Do the 
same with the 2nd pin and clean up the solder with solder wick.  If 
solder remains in the hole, heat the solder pad and run either a 
toothpick or a stainless steel needle into the hole to remove the solder.


Once the solder is clear, the new connector should be easy to install.

73,
Don W3FPR

On 4/29/2013 11:39 PM, Tyler Barnett wrote:

The previous owner of my K2 who built it, put the main-board P3 and P6 
connectors in backwards.
That is, the index tab is facing the rear of the K2, rather than the front.
Reason this came up:  I was finishing up the internal KAT2 tuner, and realized 
through an ohmmeter check the connector was likely backwards.
A check of the K2 board layout in the manual confirmed both WERE backward.

I don't know if I'll ever put the internal battery into the K2, but I'm 
thinking of pulling it along with P6.
The KAT2 kit supplied a P6 for this purpose, but that leaves me short the P3 
connector.
I'm concerned that despite my best removal efforts, that I'll ruin both getting 
them out.
Yes, I have a new solder-sucker, and an Aoyue desoldering station, but I don't 
know how hardy this connector is.
Should I order P3 now from Elecraft, or see how it goes?




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[Elecraft] Connector woes

[Tyler Barnett]

The previous owner of my K2 who built it, put the main-board P3 and P6 
connectors in backwards.
That is, the index tab is facing the rear of the K2, rather than the front.
Reason this came up:  I was finishing up the internal KAT2 tuner, and realized 
through an ohmmeter check the connector was likely backwards.
A check of the K2 board layout in the manual confirmed both WERE backward.

I don't know if I'll ever put the internal battery into the K2, but I'm 
thinking of pulling it along with P6.
The KAT2 kit supplied a P6 for this purpose, but that leaves me short the P3 
connector.
I'm concerned that despite my best removal efforts, that I'll ruin both getting 
them out.
Yes, I have a new solder-sucker, and an Aoyue desoldering station, but I don't 
know how hardy this connector is.
Should I order P3 now from Elecraft, or see how it goes?

Thanks, Tyler N4TY

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Re: [Elecraft] P3 Noise signature

[Ron D'Eau Claire]

Fred, I assume that you've confirmed that it is being picked up by your
antenna by removing it and connecting a dummy load and see that the noise is
gone.  

IMX, plasma TV's have a very w-i-d-e noise signature that sounds like
someone connected their HF noise generator to an amp and antenna. Unless you
are there when they turn it on, it sounds like ordinary band noise but much
higher in level, depending upon how close you are. 

73 Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen
Sent: Monday, April 29, 2013 7:17 PM
To: Elecraft Reflector
Subject: [Elecraft] P3 Noise signature

I usually check into the No Cal Net on 3533 each night.  I've begun to get
predictable noise with a unique signature on the P3 WF.  It's a series of
bands, the first [around 3545] is the widest, they get narrower up from that
and the separation seems to be about 40 KHz.  The higher components get
narrower but aren't any weaker.

Occasionally I've see it come on to an otherwise quiet band, and all the
"bands" on the WF drift some before stabilizing.

I have a screen shot from the P3 I'll send, anyone have any idea what this
is?  I never see it in the daytime on any band, just in the evening, which
is suspicious ... plasma TV?

If it's my neighbor Casey, I'll just need to live with it, we don't do
battle with our neighbors.  Besides, Sampson, their cat, gets along with
ours and shares his food.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org

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[Elecraft] P3 Noise signature

[Fred Jensen]

I usually check into the No Cal Net on 3533 each night.  I've begun to 
get predictable noise with a unique signature on the P3 WF.  It's a 
series of bands, the first [around 3545] is the widest, they get 
narrower up from that and the separation seems to be about 40 KHz.  The 
higher components get narrower but aren't any weaker.


Occasionally I've see it come on to an otherwise quiet band, and all the 
"bands" on the WF drift some before stabilizing.


I have a screen shot from the P3 I'll send, anyone have any idea what 
this is?  I never see it in the daytime on any band, just in the 
evening, which is suspicious ... plasma TV?


If it's my neighbor Casey, I'll just need to live with it, we don't do 
battle with our neighbors.  Besides, Sampson, their cat, gets along with 
ours and shares his food.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org

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[Elecraft] test

[Mike Harris]

test, new email address
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Re: [Elecraft] RIT behavior when computer controlled / Possible Feature Request

[K7MJG]

Iain,

 

Thank you!   SPLIT is the perfect solution for my scenario and much better than
what I was trying to get RIT to do. 

 

73,

Mark

K7MJG

 

From: Iain MacDonnell - N6ML-2 [via Elecraft]
[mailto:ml-node+s365791n7573250...@n2.nabble.com] 
Sent: Monday, April 29, 2013 5:48 PM
To: K7MJG
Subject: Re: RIT behavior when computer controlled / Possible Feature Request

 

Hi Mark, 

The KX3 is doing exactly what it's being told to do - i.e. change its 
VFO A frequency to whatever you clicked on. CW Skimmer assumes that 
you will be listening to the audio that it decodes from the I/F, and 
not the audio coming from the radio's receiver. If you want CW Skimmer 
to attempt to manipulate the KX3's RIT, you'd have to request that 
from VE3NEA (CW Skimmer author), but I can't see it happening. 

As a workaround, you could turn on Split and set VFO B to the same as 
A (A>B), then when you click on an off-frequency caller, your receive 
frequency will change but your transmit will not. 

73, 

~iain / N6ML 



On Mon, Apr 29, 2013 at 5:24 PM, K7MJG <[hidden email]> wrote: 


> Hello, 
> 
> I'm curious if RIT on the KX3 should behave the way it does when under 
> computer control. (CAT commands.) 
> 
> As a basis for comparison, this workflow does exactly what I would expect. 
> 
> 1. Tune to a CW transmit frequency. 
> 2. Press and hold the [OFS/VFO B] button to clear RIT. 
> 3. Press the [RIT] button to enable RIT. 
> 4. Call CQ, operator responds off frequency. 
> 5. Adjust the [OFS/VFO B] button to get the receive frequency close. 
> 6. Press the [SPOT] button to zero in on the precise receive frequency. 
> 
> (Transmit frequency remains as it was originally.) 
> 
> Steps 5 and 6 work fine, although precious seconds are gone during this 
> process, and, depending on how close I get with step 5 (and the filter 
> setting), the SPOT could hunt for additional seconds.  During the SPOT 
> process, the RIT offset adjustments are continuously displayed in the VFO B 
> screen area.  This works, but is time-inefficient.  (I will probably miss 
> their call sign.) 
> 
> My particular (preferred) scenario: 
> 
> I am 100% a CW operator. I use CW Skimmer, basically as my panadapter. CW 
> Skimmer, using CAT commands, can snap the KX3 to a precise receive frequency 
> with a mouse click. (Basically the same effect as SPOT, but quicker.) 
> 
> Assume that steps 1 through 4 are the same as above.  Instead of steps 5 and 
> 6, I would like to be able to click on a the operator's off-frequency 
> response within CW Skimmer and have the KX3 behave the same as the [SPOT] 
> button. After all, they are essentially the same thing, one just happens to 
> be driven remotely (CAT Command), the other using a local button press (SPOT 
> button).  However, the KX3 changes the receive frequency, but does not 
> adjust the RIT offset.  So what that means is the new receive frequency is 
> now the transmit frequency.  Not what I would expect with RIT in effect. 
> 
> Is there a setting to get the behavior that I want?  If not, I would like to 
> kindly put in an enhancement request. 
> 
> 73, 
> Mark 
> K7MJG 
> 
> 
> 
> 
> -- 
> View this message in context:
http://elecraft.365791.n2.nabble.com/RIT-behavior-when-computer-controlled-Possi
ble-Feature-Request-tp7573247.html
> Sent from the Elecraft mailing list archive at Nabble.com. 
> __ 
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If you reply to this email, your message will be added to the discussion below:

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Re: [Elecraft] RIT behavior when computer controlled / Possible Feature Request

[iain macdonnell - N6ML]

Hi Mark,

The KX3 is doing exactly what it's being told to do - i.e. change its
VFO A frequency to whatever you clicked on. CW Skimmer assumes that
you will be listening to the audio that it decodes from the I/F, and
not the audio coming from the radio's receiver. If you want CW Skimmer
to attempt to manipulate the KX3's RIT, you'd have to request that
from VE3NEA (CW Skimmer author), but I can't see it happening.

As a workaround, you could turn on Split and set VFO B to the same as
A (A>B), then when you click on an off-frequency caller, your receive
frequency will change but your transmit will not.

73,

~iain / N6ML



On Mon, Apr 29, 2013 at 5:24 PM, K7MJG  wrote:
> Hello,
>
> I'm curious if RIT on the KX3 should behave the way it does when under
> computer control. (CAT commands.)
>
> As a basis for comparison, this workflow does exactly what I would expect.
>
> 1. Tune to a CW transmit frequency.
> 2. Press and hold the [OFS/VFO B] button to clear RIT.
> 3. Press the [RIT] button to enable RIT.
> 4. Call CQ, operator responds off frequency.
> 5. Adjust the [OFS/VFO B] button to get the receive frequency close.
> 6. Press the [SPOT] button to zero in on the precise receive frequency.
>
> (Transmit frequency remains as it was originally.)
>
> Steps 5 and 6 work fine, although precious seconds are gone during this
> process, and, depending on how close I get with step 5 (and the filter
> setting), the SPOT could hunt for additional seconds.  During the SPOT
> process, the RIT offset adjustments are continuously displayed in the VFO B
> screen area.  This works, but is time-inefficient.  (I will probably miss
> their call sign.)
>
> My particular (preferred) scenario:
>
> I am 100% a CW operator. I use CW Skimmer, basically as my panadapter. CW
> Skimmer, using CAT commands, can snap the KX3 to a precise receive frequency
> with a mouse click. (Basically the same effect as SPOT, but quicker.)
>
> Assume that steps 1 through 4 are the same as above.  Instead of steps 5 and
> 6, I would like to be able to click on a the operator's off-frequency
> response within CW Skimmer and have the KX3 behave the same as the [SPOT]
> button. After all, they are essentially the same thing, one just happens to
> be driven remotely (CAT Command), the other using a local button press (SPOT
> button).  However, the KX3 changes the receive frequency, but does not
> adjust the RIT offset.  So what that means is the new receive frequency is
> now the transmit frequency.  Not what I would expect with RIT in effect.
>
> Is there a setting to get the behavior that I want?  If not, I would like to
> kindly put in an enhancement request.
>
> 73,
> Mark
> K7MJG
>
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/RIT-behavior-when-computer-controlled-Possible-Feature-Request-tp7573247.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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Re: [Elecraft] RIT behavior when computer controlled / Possible Feature Request

[Don Wilhelm]

Mark,

I believe the results of what you are seeing is dependent on the 
commands issued by CW Skimmer.  The KX3 can do as you request if it is 
given the correct commands (in the correct order).  You might want to 
ask the CW Skimmer folks to implement your request.


73,
Don W3FPR

On 4/29/2013 8:24 PM, K7MJG wrote:

Hello,

I'm curious if RIT on the KX3 should behave the way it does when under
computer control. (CAT commands.)

As a basis for comparison, this workflow does exactly what I would expect.

1. Tune to a CW transmit frequency.
2. Press and hold the [OFS/VFO B] button to clear RIT.
3. Press the [RIT] button to enable RIT.
4. Call CQ, operator responds off frequency.
5. Adjust the [OFS/VFO B] button to get the receive frequency close.
6. Press the [SPOT] button to zero in on the precise receive frequency.

(Transmit frequency remains as it was originally.)

Steps 5 and 6 work fine, although precious seconds are gone during this
process, and, depending on how close I get with step 5 (and the filter
setting), the SPOT could hunt for additional seconds.  During the SPOT
process, the RIT offset adjustments are continuously displayed in the VFO B
screen area.  This works, but is time-inefficient.  (I will probably miss
their call sign.)

My particular (preferred) scenario:

I am 100% a CW operator. I use CW Skimmer, basically as my panadapter. CW
Skimmer, using CAT commands, can snap the KX3 to a precise receive frequency
with a mouse click. (Basically the same effect as SPOT, but quicker.)

Assume that steps 1 through 4 are the same as above.  Instead of steps 5 and
6, I would like to be able to click on a the operator's off-frequency
response within CW Skimmer and have the KX3 behave the same as the [SPOT]
button. After all, they are essentially the same thing, one just happens to
be driven remotely (CAT Command), the other using a local button press (SPOT
button).  However, the KX3 changes the receive frequency, but does not
adjust the RIT offset.  So what that means is the new receive frequency is
now the transmit frequency.  Not what I would expect with RIT in effect.

Is there a setting to get the behavior that I want?  If not, I would like to
kindly put in an enhancement request.



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[Elecraft] FS: LP-Pan2 and Emu 204 Sound Card

[Tom]

Works great with a K3.

$200 to your door.

Tom
KQ5S
nineback at gmail.com
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[Elecraft] RIT behavior when computer controlled / Possible Feature Request

[K7MJG]

Hello,

I'm curious if RIT on the KX3 should behave the way it does when under
computer control. (CAT commands.)

As a basis for comparison, this workflow does exactly what I would expect.

1. Tune to a CW transmit frequency.
2. Press and hold the [OFS/VFO B] button to clear RIT.
3. Press the [RIT] button to enable RIT.
4. Call CQ, operator responds off frequency.
5. Adjust the [OFS/VFO B] button to get the receive frequency close.
6. Press the [SPOT] button to zero in on the precise receive frequency.  

(Transmit frequency remains as it was originally.)

Steps 5 and 6 work fine, although precious seconds are gone during this
process, and, depending on how close I get with step 5 (and the filter
setting), the SPOT could hunt for additional seconds.  During the SPOT
process, the RIT offset adjustments are continuously displayed in the VFO B
screen area.  This works, but is time-inefficient.  (I will probably miss
their call sign.)

My particular (preferred) scenario:

I am 100% a CW operator. I use CW Skimmer, basically as my panadapter. CW
Skimmer, using CAT commands, can snap the KX3 to a precise receive frequency
with a mouse click. (Basically the same effect as SPOT, but quicker.)

Assume that steps 1 through 4 are the same as above.  Instead of steps 5 and
6, I would like to be able to click on a the operator's off-frequency
response within CW Skimmer and have the KX3 behave the same as the [SPOT]
button. After all, they are essentially the same thing, one just happens to
be driven remotely (CAT Command), the other using a local button press (SPOT
button).  However, the KX3 changes the receive frequency, but does not
adjust the RIT offset.  So what that means is the new receive frequency is
now the transmit frequency.  Not what I would expect with RIT in effect.

Is there a setting to get the behavior that I want?  If not, I would like to
kindly put in an enhancement request.

73, 
Mark
K7MJG




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[Elecraft] test

[Mike Harris]

new email address
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[Elecraft] New iPhone earbuds with the KX3 (etc.)

[Wayne Burdick]

I got one of Apple's newest stereo earbud/mics with my iPhone 5. Acoustically, 
they're a big improvement over the previous generation. They have larger 
earpieces that do a better job of blocking out wind noise, and have better bass 
response. In addition to working well with iPhones and iPads, they work well as 
'phones for the KX3, and doubtless for other rigs as well. 

I'll still be using an MH3 as the mic, though. Even if it were possible to use 
the mic on the earbud cable as a rig mic, I'm dubious about how well it would 
work in noisy environments. Close miking is probably preferable in most cases.

73,
Wayne
N6KR

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Re: [Elecraft] [OT] Working yourself was K3/0 - mini

[Bill Frantz]

Well it depends on the specific rules but I don't see it as much 
different than making a sked to work a difficult place. The RF 
is going through the air between two radios in two separate 
locations. Of course the checks and balances of having two hams 
vouch for the contact are missing so the rule makers might want 
to forbid it on that basis. But then since the whole thing 
involves only one person there is no reason he can's issue the 
certificate too. :-)


Cheers - Bill, AE6JV

On 4/29/13 at 9:14 AM, tnny...@yahoo.com wrote:


Bill, you stated [quote]
  >>>  Take your mobile rig around the country and work 
yourself on the remote rig from various locations.

A really dedicated operator could get WAS this way .<<< 

Wouldn't that be deliberately CHEATING? 

---
Bill Frantz| Since the IBM Selectric, keyboards have gotten
408-356-8506   | steadily worse. Now we have touchscreen keyboards.
www.pwpconsult.com | Can we make something even worse?

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[Elecraft] Popping noise and problems with iSDR / iMic

[Andrew Robertson]

I've been enjoying my new KX3, finally hitting the paddle after meaning to 
learn code for years and years.  It's really fun and the narrow DSP filtering 
is really easy on the ears.

Anyway I have noticed, that when I have been working portable (with wires 
radiating from the screw where I have grounded the rig), that I tend to hear 
occasional pops, very loud pops that blow my ears off if using headphones. It 
seems to be related to the antenna moving (phonics?) but sometimes they happen 
even if it is still.  Has anybody else encountered this issue?  Is there 
something I am missing?

Another issue that I have had is with iSDR.  It works great as a waterfall 
chart and such, but the audio quality is just awful.  No matter what the iPad's 
volume is set to, the sound is very overdriven and crunchy.  If I tune the 
radio to a station and listen to it through the speaker in the radio, or phones 
hooked to the radio, it sounds fine. However, when the iPad demodulates the 
same signal it is just awful.  For now I have just forgotten about demodulating 
with the iPad and am just using it as a simple panadapter.

Great radio and I can't wait for the filter module to get here!

73, KE7TMA
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Re: [Elecraft] Power issue

[BFritz]

Issue resolved..operator error



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Re: [Elecraft] 4-pound Field Day, anyone?

[N8CEP]

I kind of like the LiFePo4's myself. I am using the 4s1p (2.3Ah) and 4s2p
(4.6Ah) packs from Buddipole. They run from 14V to 12V before needing a
charge. Not associated with them in any way, just like their batteries and
chargers. Simplicity itself!

73 Keith N8CEP



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Re: [Elecraft] Power issue

[Chris, G5VZ]

My KX3 had exactly the same issue when it arrived here.  Shop-built.  It 
was returned for service and it turned out to be a bent pin on the 
charger/clock option board.


Disappointing but quickly resolved.

Chris
G5VZ / WG5VZ

On 29/04/2013 18:44, BFritz wrote:

Hello folks,
Just got my new KX3 and couldn't be more excited but I'm having a problem I
hope
the group can help me solve. My KX3 is factory built with the KXBC3. I
installed
new Powerex 2700mAh NiMH batteries and went to charge them. I had the KX3
connected to an Astron SS-30 and got a "LO SPPLY" message. I thought maybe
due
to the set screw type connector the Astron has, it wasn't getting a good
connection. I was wanting a new power supply anyway so I went to Radio Shack
and
bought a new 13.8VDC 3amp. I just hooked up the KX3 and still get the same
message. The NiHM batteries are now low enough that the rig won't stay on.
Am I missing something?
I posted this to the Yahoo group as well.
Thank you
Bob



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Re: [Elecraft] K3 - remote control head

[Jim Brown]

:

The K3/0 should allow you to control a K3 over a RS232 connection,
which could be a fairly long cable (up to 50 feet, perhaps?),


Another very useful fact -- RS232 uses an unbalanced connection, and the 
connection is NOT impedance-matched.  That is, the source has a low 
source impedance and the receiver has a high input impedance, so the 
interconnecting cable appears as a capacitive load to the driving 
source. A decade or so ago, we often used RS232 for the connection 
between a computer in the audience in a large performance space to 
signal processing equipment buried in the bowels of the building. We 
were able to reliably use runs on the order of 200 ft at decent speeds 
by using CAT5 cable for the connection, using a pair for each signalling 
circuit, by dedicating all un-used conductors to the return, and 
connecting the returns to the SHELL of the DB9 connectors at both ends. 
It works because CAT5 cable has good bandwidth AND low capacitance 
between the conductors of a pair, the twisted pair rejects noise, 
connecting to the shells at both ends gets around Pin One Problems that 
may be present, and doubling up on the return conductors minimizes the 
IR drop from AC power leakage currents that may be present because the 
equipment is powered (and perhaps grounded) at widely separated points.


Another method to consider for longer runs is RS422, the BALANCED 
configuration of the serial interface.  A very good company in Illinois 
called B&B makes very nice, fairly inexpensive RS232 to RS422 
converters. 
http://www.bb-elec.com/Learning-Center/All-White-Papers/White-Papers-Category1/232_422-Converter-Connections-for-Extending-RS-232.aspx


73, Jim K9YC
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Re: [Elecraft] Power issue

[Matthew Zilmer]

Check the terminal voltage when the batteries start charging.  If it's below 
13.8V when loaded and charging is enabled, you would get the LO SPPLY message.

The KXBC3 charges at a VERY low rate (around 200 mA), so it's not likely that 
the charging itself is loading the PS down.

Matt Zilmer, W6NIA
Semper Gumby



-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of BFritz
Sent: Monday, April 29, 2013 10:44 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Power issue

Hello folks,
Just got my new KX3 and couldn't be more excited but I'm having a problem I 
hope the group can help me solve. My KX3 is factory built with the KXBC3. I 
installed new Powerex 2700mAh NiMH batteries and went to charge them. I had the 
KX3 connected to an Astron SS-30 and got a "LO SPPLY" message. I thought maybe 
due to the set screw type connector the Astron has, it wasn't getting a good 
connection. I was wanting a new power supply anyway so I went to Radio Shack 
and bought a new 13.8VDC 3amp. I just hooked up the KX3 and still get the same 
message. The NiHM batteries are now low enough that the rig won't stay on.
Am I missing something?
I posted this to the Yahoo group as well.
Thank you
Bob



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[Elecraft] Power issue

[BFritz]

Hello folks,
Just got my new KX3 and couldn't be more excited but I'm having a problem I
hope
the group can help me solve. My KX3 is factory built with the KXBC3. I
installed
new Powerex 2700mAh NiMH batteries and went to charge them. I had the KX3
connected to an Astron SS-30 and got a "LO SPPLY" message. I thought maybe
due
to the set screw type connector the Astron has, it wasn't getting a good
connection. I was wanting a new power supply anyway so I went to Radio Shack
and
bought a new 13.8VDC 3amp. I just hooked up the KX3 and still get the same
message. The NiHM batteries are now low enough that the rig won't stay on.
Am I missing something?
I posted this to the Yahoo group as well.
Thank you
Bob



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Re: [Elecraft] K3 - remote control head

[Eric Swartz - WA6HHQ, Elecraft]

Yes.

Eric
elecraft.com

On 4/29/2013 9:56 AM, iain macdonnell - N6ML wrote:

On Mon, Apr 29, 2013 at 7:51 AM, Bill  wrote:

Will the "mini" be able to perform the same job the control head on a
Kenwood 480 does? Put the radio on a back shelf and only have a 2" deep
control panel to drag around the desk? Maybe a blank panel cover for the K3
and a remote kit that will provide for this?

There are days when I am not feeling too sparky and I use my 480 because I
can drag the control panel over to my recliner and put it on a TV tray. Life
would be great if I could do the same with the K3.

I'm not familiar with the details of the K3/0 mini, so the following
is *speculation*

The K3/0 should allow you to control a K3 over a RS232 connection,
which could be a fairly long cable (up to 50 feet, perhaps?), but it
will not get audio (RX or TX), keying (PTT or CW) or DC power over the
RS232 cable, so you would have to handle those separately (more long
cables, and probably a wall-wart by the recliner).

I doubt that there will ever be a blank front-panel option for the K3.
The K3/0 (mini) does not replace the functionality of the "real" front
panel. I suppose there could be a version with no
display/buttons/knobs, but it seems unlikely that that would be worth
the development effort...

73,

 ~iain / N6ML
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Re: [Elecraft] K3 - remote control head

[iain macdonnell - N6ML]

On Mon, Apr 29, 2013 at 7:51 AM, Bill  wrote:
> Will the "mini" be able to perform the same job the control head on a
> Kenwood 480 does? Put the radio on a back shelf and only have a 2" deep
> control panel to drag around the desk? Maybe a blank panel cover for the K3
> and a remote kit that will provide for this?
>
> There are days when I am not feeling too sparky and I use my 480 because I
> can drag the control panel over to my recliner and put it on a TV tray. Life
> would be great if I could do the same with the K3.

I'm not familiar with the details of the K3/0 mini, so the following
is *speculation*

The K3/0 should allow you to control a K3 over a RS232 connection,
which could be a fairly long cable (up to 50 feet, perhaps?), but it
will not get audio (RX or TX), keying (PTT or CW) or DC power over the
RS232 cable, so you would have to handle those separately (more long
cables, and probably a wall-wart by the recliner).

I doubt that there will ever be a blank front-panel option for the K3.
The K3/0 (mini) does not replace the functionality of the "real" front
panel. I suppose there could be a version with no
display/buttons/knobs, but it seems unlikely that that would be worth
the development effort...

73,

~iain / N6ML
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Re: [Elecraft] K2 Internal Autotuner. - longwire

[Jim Wiley]

Don -

Rather more likely that you need a longer counterpoise wire.  The 
antenna length seems fine.  Try a 25' to 35' counterpoise and see if 
that fixes the problem.  Note that the counterpoise does not need to be 
run all in the same direction - bends are acceptable.


- Jm, KL7CC


On 4/29/2013 8:34 AM, Don Baucom wrote:
I was using my K1 (20/40)on the back deck with a logwire thrown in the 
trees about 45ft long. The counterpoise was about 4 feet. The K1 had 
no trouble tunning it on 14.030. I switched to the K2 10 W internal 
tuner and it did not like it. The best I could get would be about 
2.95/1 on 14.030. Could there be a problem with my K2 , or are the 
tuners just different and maybe I need a longer ant. I just assumed if 
the K1 could, the K2 would have no problem? note: both radios had no 
problem tuning the antenna on 7.025. Thanks K4YND


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Re: [Elecraft] UHF CONNECTORS

[Eric Swartz - WA6HHQ, Elecraft]

Folks, this thread has already been closed. Please take further 
discussion off list inthe interest of keeping posting traffic under control.


Eric
List Noderator
elecraft.com

On 4/28/2013 7:53 PM, Jim Brown wrote:
This discussion is getting VERY far afield from the topic of 
connectors used on HF equipment.


However, the analysis in this tome is rather flawed, which renders the 
conclusion the author draws misleading at best. T


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Re: [Elecraft] K2 Internal Autotuner. - longwire

[Jim Brown]

On 4/29/2013 9:34 AM, Don Baucom wrote:

Could there be a problem with my K2 , or are the tuners just different and
maybe I need a longer ant.


4 ft is a miserably short counterpoise for 20 and 40M -- a good rule of 
thumb is a quarter wavelength, which is 17 ft on 20M and 33 ft on 40M.


73, Jim K9YC
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Re: [Elecraft] SB boom headset with K3

[Jim Brown]

On 4/29/2013 9:18 AM, Dominic Baines wrote:


I have a K2 coming shortly and whilst it will be used for cw it will 
have the SSB option fitted and would like to use the same mic. I note 
the mic socket is 8 pin and has PTT. I assume I will have to fit the 
5k6 bias resistor between the pins 1 and 6 of the mic socket on the rig. 


Yes, and which pins get the resistor will depend on how the K2 mic jack 
was wired by the builder -- as I recall, build instructions are given to 
configure it for mics wired for use with Icom, Kenwood, Yaesu, and other 
rigs, all of which are different from each other. :)  The basic 
instruction is, a resistor in the range of 5K ohms, value not very 
critical, between +DC and the mic input pin.


There are mods to the K2, some of them quite simple, that can improve 
SSB TX performance. Most are on the Elecraft website, and I developed a 
simple one myself that I should write up but have not. It involves 
changing a coupling capacitor to roll off the low frequency response and 
changing a few resistor values to add a few dB gain so that you can hit 
the peak limiter harder and gain more advantage from it.


Good to hear that the Koss headset works well, and I'm not surprised.

73, Jim K9YC
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[Elecraft] K2 Internal Autotuner. - longwire

[Don Baucom]

I was using my K1 (20/40)on the back deck  with a logwire thrown in the trees
about 45ft long. The counterpoise was about 4 feet. The K1 had no trouble
tunning it on 14.030. I switched to the K2 10 W internal tuner  and it did
not like it. The best I could get would be about 2.95/1 on 14.030.

Could there be a problem with my K2 , or are the tuners just different and
maybe I need a longer ant.

I just assumed if the K1 could, the K2 would have no problem?

note: both radios had no problem tuning the antenna on 7.025.

Thanks
K4YND



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[Elecraft] SB boom headset with K3

[Dominic Baines]

After managing with an even cheaper headset for my KX3 I bought a set of 
the Koss SB45 gaming headphones recently for use with it and the over 
ear comfort is brilliant. Even on long sessions you do not seem to get 
that sticky/clammy ear with some 'tank commander' type headsets give you.


I have a K2 coming shortly and whilst it will be used for cw it will 
have the SSB option fitted and would like to use the same mic. I note 
the mic socket is 8 pin and has PTT. I assume I will have to fit the 5k6 
bias resistor between the pins 1 and 6 of the mic socket on the rig.


Is there a 'commercial' adapter that contains the 8 pin plug, with bias 
resistor fitted and a 3.5mm socket for the headset and a hand or floor 
PTT switch? I can home-brew something for the hand held PTT easily 
enough (bit like a weather man/girl hand switch they use as they stand 
in front of the green screens) but just wondered.


72

Dom
M1KTA
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Re: [Elecraft] K3 mods by I7SWX

[Wayne Burdick]

>>> I read the whole thing, too. It appears that the improvements are
>>> measurable...the only question is, "Is it worth the trouble?" It is 
>>> obviously an awful
>>> lot of work.

The short answer is probably no -- it's not worth the effort unless you really 
need to eek out a few dB of additional headroom in a radio that already has in 
excess of 100 dB of close-in dynamic range. There is also a claim of improved 
MDS on some bands. To investigate this, one of our engineers is doing careful 
before/after measurements of I7SWX's replacement mixer. On his first attempt, 
he found the noise floor to be much higher than with the original K3 mixer. 
He's working with the designer to see if this is an anomaly.

73,
Wayne
N6KR





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Re: [Elecraft] K3/0 - mini

[tnnyswy]

A little bit off topic. 

Bill, you stated [quote] 

  >>>  Take your mobile rig around the 
country and work yourself on the remote rig from various 
locations.
A really dedicated operator could get WAS this way .<<< 

Wouldn't that be deliberately CHEATING? 

 73  Milverton. 






>
> From: Bill Frantz 
>To: elecraft@mailman.qth.net 
>Sent: Monday, April 29, 2013 8:49 AM
>Subject: Re: [Elecraft] K3/0 - mini
> 
>
>I saw it at Visalia and this is a good description.
>
>This kind of remote rig setup makes possible a new, and possibly 
>very perverse kind of operation. Take your mobile rig around the 
>country and work yourself on the remote rig from various 
>locations. A really dedicated operator could get WAS this way. 
>Of course it would not be possible to log the contacts on eQSL. 
>I don't know what LotW would do with working yourself from 
>different QTHs. What a QSL checker would say about paper QSLs 
>from yourself I leave to your imagination, but at least postage 
>would be cheap. :-)
>
>Cheers - Bill, AE6JV
>
>On 4/29/13 at 2:38 AM, geoffre...@madasafish.com (Geoffrey 
>Downs) wrote:
>
>>Elecraft posted a photograph on Twitter last week at the same 
>>time as the KXPA100 photos and, I believe, showed it at 
>>Visalia.  A full size K3 front panel on a KX3-like enclosure - 
>>possibly thinner than the KX3 (hard to tell from photo). They 
>>say it will be shown at Friedrichshaven too.
>
>---
>Bill Frantz        | Since the IBM Selectric, keyboards have gotten
>408-356-8506       | steadily worse. Now we have touchscreen keyboards.
>www.pwpconsult.com | Can we make something even worse?
>
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>
>
>
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Re: [Elecraft] K3 - remote control head

[Josh Fiden]

Armchair copy OM!

73,
Josh W6XU


On 4/29/2013 7:51 AM, Bill wrote:

I can drag the control panel over to my recliner and put it on a TV tray.


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Re: [Elecraft] K3 - remote control head

[Bill Frantz]

I call that the SVGA option. :-) Of course, my display is a lot 
larger than the P3, but it is better located so I almost never 
look at the P3. Field day will be different of course.


Cheers - Bill, AE6JV

On 4/29/13 at 8:41 AM, als...@nc.rr.com (Brian Alsop) wrote:


How about a detachable P3 display?  The box takes up way too much space.


---
Bill Frantz|The nice thing about standards| Periwinkle
(408)356-8506  |is there are so many to choose| 16345 
Englewood Ave
www.pwpconsult.com |from.   - Andrew Tanenbaum| Los Gatos, 
CA 95032


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Re: [Elecraft] K3 - remote control head

[Brian Alsop]

How about a detachable P3 display?  The box takes up way too much space.

73 de Brian/K3KO

On 4/29/2013 14:51, Bill wrote:

Will the "mini" be able to perform the same job the control head on a
Kenwood 480 does? Put the radio on a back shelf and only have a 2" deep
control panel to drag around the desk? Maybe a blank panel cover for the
K3 and a remote kit that will provide for this?

There are days when I am not feeling too sparky and I use my 480 because
I can drag the control panel over to my recliner and put it on a TV
tray. Life would be great if I could do the same with the K3.

Thanks,

Bill W2BLC


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[Elecraft] K3 - remote control head

[Bill]

Will the "mini" be able to perform the same job the control head on a 
Kenwood 480 does? Put the radio on a back shelf and only have a 2" deep 
control panel to drag around the desk? Maybe a blank panel cover for the 
K3 and a remote kit that will provide for this?


There are days when I am not feeling too sparky and I use my 480 because 
I can drag the control panel over to my recliner and put it on a TV 
tray. Life would be great if I could do the same with the K3.


Thanks,

Bill W2BLC


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Re: [Elecraft] K3/0 - mini

[Keith Heimbold]

I would be extremely interested in this for business travel and would be a 
great option to the PC micro dongle that remoterig offers.  Is there a timeline 
for this to be launched to market?

Keith
AK6ZZ

Sent from my iPhone please excuse typos

On Apr 29, 2013, at 12:12 AM, "Jan Erik Holm"  wrote:

> If I understand my source correctly there is
> going to be one such thing available.
> 
> Looking for more info.
> 
> /Jim SM2EKM
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Re: [Elecraft] K3/0 - mini

[Bill Frantz]

I saw it at Visalia and this is a good description.

This kind of remote rig setup makes possible a new, and possibly 
very perverse kind of operation. Take your mobile rig around the 
country and work yourself on the remote rig from various 
locations. A really dedicated operator could get WAS this way. 
Of course it would not be possible to log the contacts on eQSL. 
I don't know what LotW would do with working yourself from 
different QTHs. What a QSL checker would say about paper QSLs 
from yourself I leave to your imagination, but at least postage 
would be cheap. :-)


Cheers - Bill, AE6JV

On 4/29/13 at 2:38 AM, geoffre...@madasafish.com (Geoffrey 
Downs) wrote:


Elecraft posted a photograph on Twitter last week at the same 
time as the KXPA100 photos and, I believe, showed it at 
Visalia.  A full size K3 front panel on a KX3-like enclosure - 
possibly thinner than the KX3 (hard to tell from photo). They 
say it will be shown at Friedrichshaven too.


---
Bill Frantz| Since the IBM Selectric, keyboards have gotten
408-356-8506   | steadily worse. Now we have touchscreen keyboards.
www.pwpconsult.com | Can we make something even worse?

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Re: [Elecraft] P3: buy in UK or US?

[dombai...@yahoo.com]

This gets asked on the list loads by UK guys ...

If you buy from US Elecraft and ship you will pay VAT on the whole of 
the value of the shipment plus the shipping costs and an admin fee of £8 
(if ends up being delivered by Royal Mail). Note that assumes NO DUTY is 
due as Elecraft add the note that the contents have a 0% tarrif for duty 
usually. If you are possibly classified in HMRC minds as an 
importer/reseller or they do some random spot check etc then they can 
apply duty to it, they tend not to though but as I am sure some on list 
will tell you it can happen and you will be sent lots of extra paperwork 
if you counter it and it adds an extra delay.


It can end up taking seemingly ages for it to clear UK customs or it can 
seem to 'sail through', chasing it doesn't help although once it is with 
HMRC an Elecraft parcel does not tend to go missing.


I have been buying stuff from Elecraft for years without issue. It tends 
to be cheaper buying from US but not always.


You should work out your calculation on the basis by adding VAT @ 20% on 
the price and shipping costs. Work out what current UK £ cost is of the 
item and shipping and work it out.


e.g. It equates to add about £150 on a KX3 and few bits so say $1,000 
value on a kit and bits or £644 at today's rate.
Add the £8 plus VAT on £644 and say £50 shipping or £146 so you will pay 
£790 (assuming zero bank exchange costs) in theory >£100 cheaper than 
the W&S price £899 where you will get it sooner. But add in the exchange 
costs and it is probably closer to £80 cheaper unless your bank or 
credit card is ripping you off and they don't do that do they?


Sure you can work it out.

Buying from W&S may seem less expensive but you have to be patient :-) I 
do not work for W&S or Elecraft.


72

Dom
M1KTA
On 29/04/13 12:54, David Ferrington, M0XDF wrote:

Buy from the US, it works out cheaper


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Re: [Elecraft] P3: buy in UK or US?

[David Ferrington, M0XDF]

Buy from the US, it works out cheaper
-- 
73 de M0XDF

On 27 Apr 2013, at 18:59, Chris M0PSK wrote:

> I'm thinking of buying a P3 and KXV3 board. I would be grateful for advice
> from a UK amateur (with experience of this situation) on the pros and cons
> of buying from the UK or the US.
> 
> 73 de Chris, M0PSK
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[Elecraft] FS: DX Engineering Vertical Fold-over Antenna = QTH update

[Alan D. Wilcox]

Hello,

I added details on exactly where I'm located to my ad on eHam 
http://www.eham.net/classifieds/detail/406530 that I posted yesterday.


Cheers,
Alan

Alan D. Wilcox, W3DVX
570-478-0736
http://WilcoxEngineering.com
http://www.eham.net/reviews/detail/6768 ... Elecraft Client Comments
http://www.eham.net/reviews/detail/8841 ... Small Wonder Labs Comments
http://WilcoxPublishing.com
https://www.smashwords.com/books/view/28062?ref=awilcox

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Re: [Elecraft] K3 mods by I7SWX

[tnnyswy]

This subject was discussed a good bit about a month ago. 

Wayne also had contributed to the discussion.
Take a look in the archives for  the discussion.

73 Milverton.


>
> From: Gary Gregory 
>To: Al Lorona  
>Cc: Elecraft List  
>Sent: Monday, April 29, 2013 12:14 AM
>Subject: Re: [Elecraft] K3 mods by I7SWX
> 
>
>Maybe Wayne might weigh in.
>
>I have only ecperienced an overload once. A mobile passing by decided to
>call me during a qso. I was not impressed.
>
>I would wonder what the tradeoff might be, if any.
>
>I will not be modifying my k3 anytime soon. If it aint' broke, don't mess
>with it.
>
>73
>
>Gary
>Vk1ZZ
>K3, KX3, KPA500-FT, KAT500-FT,P3.
>On 29/04/2013 1:48 PM, "Al Lorona"  wrote:
>
>> I read the whole thing, too. It appears that the improvements are
>> measurable...
>> the only question is, "Is it worth the trouble?" It is obviously an awful
>> lot of
>>
>> work. Another question one must answer is, "Am I willing to accept the
>> decrease
>> in my K3's resale value?" after you are done cutting traces on boards and
>> so
>> forth.
>>
>> Have you ever heard your K3 overloading due to strong signals? Would you
>> even
>> know what it sounded like if it were happening? If not, I doubt these mods
>> are
>> worth it.
>>
>> I'm sure there are cases where overload does occur but it isn't common.
>>
>> It would have been cool to hear recordings of the same signal on both K3s
>> to
>> hear the difference.
>>
>> Al W6LX
>>
>> > Hi!
>> > I just read all about the I7SWX mods and I was wondering what Elecraft's
>>  point
>> >
>> > of view is in this? Are these mods really a major improvement?
>> >
>> > 73's  Twan - PA0KV
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Re: [Elecraft] K3/0 - mini

[Geoffrey Downs]

Elecraft posted a photograph on Twitter last week at the same time as the 
KXPA100 photos and, I believe, showed it at Visalia.  A full size K3 front 
panel on a KX3-like enclosure - possibly thinner than the KX3 (hard to tell 
from photo). They say it will be shown at Friedrichshaven too.


73

Geoff
G3UCK

-Original Message- 
From: Jan Erik Holm

Sent: Monday, April 29, 2013 8:12 AM
To: Elecraft Reflector
Subject: [Elecraft] K3/0 - mini

If I understand my source correctly there is
going to be one such thing available.

Looking for more info.

/Jim SM2EKM
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[Elecraft] K3/0

[Dick, WN3R]

Got my answer from N6ML. Thank you.

This info (page199) should be included in the shorter Remote Rig version 
supplied with the K3/0.  I'm not one who reads and comprehends long radio 
novels.

73, Dick.

Sent from my iPad
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[Elecraft] K3/0 - mini

[Jan Erik Holm]

If I understand my source correctly there is
going to be one such thing available.

Looking for more info.

/Jim SM2EKM
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