Re: [Elecraft] K4 Remote Antenna button

[Phillip Heller via Elecraft]

+1 to this.

> On Nov 2, 2020, at 2:18 PM, Phil Genera  wrote:
> 
> I have neither a K4 nor a loop controller from Loftur[0], but my dream is
> adding an ethernet interface to the latter and controlling it from the
> former.
> 
> [0]
> https://sites.google.com/site/lofturj/to-automatically-tune-a-magnetic-loop-antenna
> 
> -- 
> Phil
> 
> 
> On Mon, Nov 2, 2020 at 11:20 AM Wayne Burdick  wrote:
> 
>> 
>>> On Nov 2, 2020, at 7:51 AM, Jim Miller  wrote:
>>> 
>>> This is mentioned in the online manual. However there's no suggestion as
>> to
>>> how it would interact with an external device. Obviously some code inside
>>> the K4 would need to do some signalling, perhaps written by an approved
>> ISV.
>>> 
>>> How would it physically transmit commands? USB, Ethernet?
>> 
>> 
>> USB, Ethernet, or RS232. There's no limit on how this could be done, but
>> it hasn't been added yet. Do you have a particular antenna switch or other
>> device in mind? It could also be a rotator, etc.
>> 
>> 73,
>> Wayne
>> N6KR
>> 
>> 
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Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500

[Jim Brown]

Great!  Thanks Pete.

73, Jim K9YC

On 11/2/2020 2:20 PM, N4ZR wrote:
FWIW, I was able to get inside the headphone on my CM-500s that receives 
the cable, and to repair a broken connection.  The secret is a couple of 
small Philips screws hidden under the earphone pads, accessible from the 
inside of the pads by pushing them out


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Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500

[N4ZR]

FWIW, I was able to get inside the headphone on my CM-500s that receives 
the cable, and to repair a broken connection.  The secret is a couple of 
small Philips screws hidden under the earphone pads, accessible from the 
inside of the pads by pushing them out


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

On 11/2/2020 5:05 PM, Jim Brown wrote:

On 11/2/2020 1:50 PM, Alan - G4GNX wrote:
Unfortunately the ear pads are starting to deteriorate. Have you had 
to replace yours? 


No, and I've never seen much wear.


I read somewhere that new separate pads are not available.


Right, they're not user replaceable, nor is the cable.

The earpads for my Sony MDR7506 phones are user replaceable, but the 
cable is not. I've owned several sets of them that I've used for many 
years, and never had a problem with the cord, but I did buy a set for 
$5 at a ham flea market with a bad cable. :)


Some of the German headphones have user replaceable cables, especially 
those used for stage intercom and by broadcasters, but they're not 
nearly as comfortable, don't sound nearly as good, and are fairly 
exp0ensive. Beyer, AKG, and Sennheiser make some very nice phones -- 
they're first rate manufacturers. I have a pair of Beyer DT880Pro that 
I like for listening to acoustic music, mostly jazz.


73, Jim K9YC
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Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500

[Walter Underwood]

Replacement ear pads are available, but the internal wiring is very fragile.

I managed to get the replacements on, but broke a wire. After three breaks and 
four re-solderings, there wasn’t enough wire left to work with, so I bought a 
new headset.

The Koss UR-20 is the same headphones as the Yamaha CM-500 and Koss SB-40, but 
without a boom mic. The link to these replacements was posted in this email 
reflector almost exactly a year ago (11/1/19) by Josh W6XU. These are the ones 
I ordered.

https://www.koss.com/accessories/cushions/ur20-ear-cushion 


This video walks you through the replacement steps.

https://www.youtube.com/watch?v=Gz-atFziEz4 


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

> On Nov 2, 2020, at 1:50 PM, Alan - G4GNX  wrote:
> 
> My CM500 certainly has an electret insert and it came with a separate plug-in 
> battery bias pack.
> 
> Unfortunately the ear pads are starting to deteriorate. Have you had to 
> replace yours? If so, with what? ISTR I read somewhere that new separate pads 
> are not available.
> 
> 73,
> 
> Alan. G4GNX
> 
> 
> -- Original Message --
> From: "Jim Brown" 
> To: elecraft@mailman.qth.net
> Sent: 02/11/2020 02:59:17
> Subject: Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500
> 
>> Hmmm. I've used nothing but a CM500 since about 2008, and I've never seen 
>> one with a dynamic mic. The data sheet for all of them has said it was 
>> dynamic, but none of then were.
>> 
>> 73, Jim K9YC
> 
>> 
> 
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Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500

[Jim Brown]

On 11/2/2020 1:50 PM, Alan - G4GNX wrote:
Unfortunately the ear pads are starting to deteriorate. Have you had to 
replace yours? 


No, and I've never seen much wear.

I read somewhere that new separate 
pads are not available.


Right, they're not user replaceable, nor is the cable.

The earpads for my Sony MDR7506 phones are user replaceable, but the 
cable is not. I've owned several sets of them that I've used for many 
years, and never had a problem with the cord, but I did buy a set for $5 
at a ham flea market with a bad cable. :)


Some of the German headphones have user replaceable cables, especially 
those used for stage intercom and by broadcasters, but they're not 
nearly as comfortable, don't sound nearly as good, and are fairly 
exp0ensive. Beyer, AKG, and Sennheiser make some very nice phones -- 
they're first rate manufacturers. I have a pair of Beyer DT880Pro that I 
like for listening to acoustic music, mostly jazz.


73, Jim K9YC
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Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500

[Alan - G4GNX]

My CM500 certainly has an electret insert and it came with a separate 
plug-in battery bias pack.


Unfortunately the ear pads are starting to deteriorate. Have you had to 
replace yours? If so, with what? ISTR I read somewhere that new separate 
pads are not available.


73,

Alan. G4GNX


-- Original Message --
From: "Jim Brown" 
To: elecraft@mailman.qth.net
Sent: 02/11/2020 02:59:17
Subject: Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500


Hmmm. I've used nothing but a CM500 since about 2008, and I've never seen one 
with a dynamic mic. The data sheet for all of them has said it was dynamic, but 
none of then were.

73, Jim K9YC






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Re: [Elecraft] K4 Remote Antenna button

[Phil Genera]

I have neither a K4 nor a loop controller from Loftur[0], but my dream is
adding an ethernet interface to the latter and controlling it from the
former.

[0]
https://sites.google.com/site/lofturj/to-automatically-tune-a-magnetic-loop-antenna

-- 
Phil


On Mon, Nov 2, 2020 at 11:20 AM Wayne Burdick  wrote:

>
> > On Nov 2, 2020, at 7:51 AM, Jim Miller  wrote:
> >
> > This is mentioned in the online manual. However there's no suggestion as
> to
> > how it would interact with an external device. Obviously some code inside
> > the K4 would need to do some signalling, perhaps written by an approved
> ISV.
> >
> > How would it physically transmit commands? USB, Ethernet?
>
>
> USB, Ethernet, or RS232. There's no limit on how this could be done, but
> it hasn't been added yet. Do you have a particular antenna switch or other
> device in mind? It could also be a rotator, etc.
>
> 73,
> Wayne
> N6KR
>
>
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Re: [Elecraft] T1 Question

[kd4iz]

Jim,

 

This is an interesting question. 

 

Eric and Wayne were authors of the design and updated the schematic (at
least according to mine dated 2017). One of them may be able to tell us. 

 

The MCU type is listed in the schematic, but without knowing how big the
memory block is, it is hard to tell what of the memory could be written to
in the EEPROM area. Hopefully one or other will chime in and let us know.

 

Jack - KD4IZ

 

-Original Message-

From: elecraft-boun...@mailman.qth.net
  mailto:elecraft-boun...@mailman.qth.net> > On Behalf Of James Bennett via
Elecraft

Sent: Monday, November 2, 2020 12:15

To: Elecraft Reflector Reflector mailto:elecraft@mailman.qth.net> >

Subject: [Elecraft] T1 Question

 

The specs for the T1 QRP antenna tuner indicate  "Tuning times (typical): 2
to 8 seconds for initial tuning; 1 to 2 seconds to re-tune from memory" and
"Many tune-ups are saved for fast re-tuning"

 

However, I can't find any documentation as to how many memories this thing
actually has.

 

Does anyone know?

 

Jim / W6JHB

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delivered to kd...@frawg.org   

 

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Re: [Elecraft] K3 Config and Main Menu Dump?

[Jim Brown]

On 11/2/2020 8:21 AM, AB1DD wrote:
I meant to say the software would let you see menu settings and also let 
you adjust the EQ.


That's trivially easy from the front panel if you RTFM

73, Jim K9YC
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[Elecraft] K3S Shutdown

[Bob DeHaney]

I’ve measured the P/S Voltages, I have 14.6 Volts according to the K3S.  I am 
beginning to think it’s the attached Win 10 computer.  This afternoon the 
computer went into sleep mode and the K3S shut down.  Maybe that’s it.

 

Vy 73 de BobDJ0RD/WU5T

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[Elecraft] T1 Question

[James Bennett via Elecraft]

The specs for the T1 QRP antenna tuner indicate  "Tuning times (typical): 2 to 
8 seconds for initial tuning; 1 to 2 seconds to re-tune from memory” and "Many 
tune-ups are saved for fast re-tuning”

However, I can’t find any documentation as to how many memories this thing 
actually has.

Does anyone know?

Jim / W6JHB
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Re: [Elecraft] K3 Config and Main Menu Dump?

[AB1DD]

Addition:

I meant to say the software would let you see menu settings and also let 
you adjust the EQ.


--

73,
Carl
AB1DD

Resistance is futile.
(don't know about reactance, though)

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Re: [Elecraft] [Elecraft-K3] K3 Config and Main Menu Dump?

[Jim McDonald]

You're welcome, Mike.

With Wayne's permission, I did a copy and paste from the PDF manual into Excel, 
but that was several yeas ago, so it doesn't include the most recent firmware 
updates.

With my K3S, I keep track of the settings the old fashioned way, by writing 
them down on a printed copy of that section of the manual.  I also have 
VA2FSQ's program, which I really like.



Jim N7US
Sent from Samsung tablet


 Original message 
From: "Mike Flowers via groups.io" 
Date: 11/2/20 10:13 AM (GMT-06:00)
To: elecraft...@groups.io
Subject: Re: [Elecraft-K3] K3 Config and Main Menu Dump?

Hi Jim,

I also sent them your excellent spreadsheet - thanks for preparing that one.

-- 73 de Mike Flowers, K6MKF, NCDXC - "It's about DX!"

On Nov 2, 2020, at 8:07 AM, Jim N7US  wrote:


VA2FSQ’s Win4K3Suite can do that and much more.

https://va2fsq.com/

73,  Jim N7US

From: elecraft...@groups.io  On Behalf Of Ed via 
groups.io
Sent: Monday, November 2, 2020 08:56
To: elecraft...@groups.io
Subject: [Elecraft-K3] K3 Config and Main Menu Dump?

Is there a way to read back the K3 Config and Main Menu settings into a 
spreadsheet or CSV file?  I have two club K3 stations that occasionally 
experience some changes to the menus.  It would be nice to be able to quickly 
verify what the changes were, and if necessary restore the menus.
Thanks & 73,
Ed
N2BHD
_._,_._,_
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Re: [Elecraft] K4 Remote Antenna button

[Jim Miller]

Nothing yet. I'm waiting to see what is possible.

Thanks!

jim ab3cv

On Mon, Nov 2, 2020 at 11:18 AM Wayne Burdick  wrote:

>
> > On Nov 2, 2020, at 7:51 AM, Jim Miller  wrote:
> >
> > This is mentioned in the online manual. However there's no suggestion as
> to
> > how it would interact with an external device. Obviously some code inside
> > the K4 would need to do some signalling, perhaps written by an approved
> ISV.
> >
> > How would it physically transmit commands? USB, Ethernet?
>
>
> USB, Ethernet, or RS232. There's no limit on how this could be done, but
> it hasn't been added yet. Do you have a particular antenna switch or other
> device in mind? It could also be a rotator, etc.
>
> 73,
> Wayne
> N6KR
>
>
>
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Re: [Elecraft] K4 Remote Antenna button

[Wayne Burdick]

> On Nov 2, 2020, at 7:51 AM, Jim Miller  wrote:
> 
> This is mentioned in the online manual. However there's no suggestion as to
> how it would interact with an external device. Obviously some code inside
> the K4 would need to do some signalling, perhaps written by an approved ISV.
> 
> How would it physically transmit commands? USB, Ethernet?


USB, Ethernet, or RS232. There's no limit on how this could be done, but it 
hasn't been added yet. Do you have a particular antenna switch or other device 
in mind? It could also be a rotator, etc.

73,
Wayne
N6KR


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Re: [Elecraft] K2/10 (S/N 7967) - SSB voice on transmit issue

[Don Wilhelm]

John,

It sounds like you need to adjust the BFO settings for the FL1 SSB 
filter.  You can do that in receive.
It is best if you do that using a visual aid like an audio spectrum 
analyzer to be able to see the position of the filter passband in the 
audio spectrum.  Spectrogram is one such analyzer - it runs on your 
computer and soundcard.  Non-Windows folks will have to find some other 
program.


To see how to set up and use Spectrogram 5.17 download the .pdf at 
http://www.mmccs.com/mmarc/n0ss/k2_filters_using_gram_v5r17.pdf.


You can download Spectrogram from my website www.w3fpr.com.  On the home 
page, scroll near the bottom to find the links.  Both versions 5.17 and 
16 are there.


73,
Don W3FPR

On 11/2/2020 10:45 AM, JOHN CAPEL via Elecraft wrote:

Hello Elecraft Community,

I have recently built the K2/10 and have enjoyed listening to the receiver.  I 
have more recently added the KSB2 SSB adapter and have noticed my voice is 
either very high-pitched or low-pitched on an external receiver while using a 
50-ohm dummy load.

After spending some time on the issue of SSB voice on transmit, I realized that 
if I mistune the K2 on transmit that my voice would appear to sound normal with 
no humming on an external receiver.  The following are examples:


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Re: [Elecraft] K3 Config and Main Menu Dump?

[AB1DD]

Tom,

There is/was a program called K3 EZ that let you see and adjust the EQ. 
A screen shot of each tab could be helpful for what you are doing. I do 
not have the software anymore, and don't know if it is still available. 
Maybe someone here has a copy. It was free.


--

73,
Carl
AB1DD

Resistance is futile.
(don't know about reactance, though)

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[Elecraft] K3 Config and Main Menu Dump?

[Jim McDonald]

VA2FSQ’s Win4K3Suite can do that and much more.

https://va2fsq.com/

73,  Jim N7US

From: elecraft...@groups.io 
mailto:elecraft...@groups.io>> On Behalf Of Ed via 
groups.io
Sent: Monday, November 2, 2020 08:56
To: elecraft...@groups.io
Subject: [Elecraft-K3] K3 Config and Main Menu Dump?

Is there a way to read back the K3 Config and Main Menu settings into a 
spreadsheet or CSV file?  I have two club K3 stations that occasionally 
experience some changes to the menus.  It would be nice to be able to quickly 
verify what the changes were, and if necessary restore the menus.
Thanks & 73,
Ed
N2BHD
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[Elecraft] K4 Remote Antenna button

[Jim Miller]

This is mentioned in the online manual. However there's no suggestion as to
how it would interact with an external device. Obviously some code inside
the K4 would need to do some signalling, perhaps written by an approved ISV.

How would it physically transmit commands? USB, Ethernet?

I don't see many other choices.

Thanks

Jim ab3cv
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[Elecraft] K2/10 (S/N 7967) - SSB voice on transmit issue

[JOHN CAPEL via Elecraft]

Hello Elecraft Community,

I have recently built the K2/10 and have enjoyed listening to the receiver.  I 
have more recently added the KSB2 SSB adapter and have noticed my voice is 
either very high-pitched or low-pitched on an external receiver while using a 
50-ohm dummy load.  

After spending some time on the issue of SSB voice on transmit, I realized that 
if I mistune the K2 on transmit that my voice would appear to sound normal with 
no humming on an external receiver.  The following are examples:

10m  28529.45u from K2 to external receiver set at 28530.00 (-550 Hz on K2 side)
12m  24939.19u from K2 to external receiver set at 24940.00 (-810 Hz on K2 side)
15m  21229.30u from K2 to external receiver set at 21230.00 (-700 Hz on K2 side)
17m  18119.35u from K2 to external receiver set at 18120.00 (-650 Hz on K2 side)
20m  14159.70u from K2 to external receiver set at 14160.00 (-300 Hz on K2 side)
40m7149.75L from K2 to external receiver set at   7150.00 (-250 Hz on K2 
side)
80m.   3750.30L from K2 to external receiver set at   3750.00 (+300Hz on K2 
side)

I have previously adjusted C22 using an external frequency counter on TP3 along 
with the K2’s frequency counter probe to get the readings from both the 
external frequency and K2’s to match.  And yes, I’ve adjusted the filter and 
BFO settings per the KSB2 operating instructions.

I would welcome any suggestions to get a resolve to this problem.

73,

John - KF6QPC
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Re: [Elecraft] K3 Config and Main Menu Dump?

[Tom Doligalski via Elecraft]

Ed:

I asked this same question a few months ago, but never got an affirmative reply.

My interest is in recording the settings for my K3, so I can use them to guide 
my K4 configuration (if and when it eventually appears!).

Tom W4KX

> On Nov 2, 2020, at 10:25 AM, Ed via Elecraft  wrote:
> 
> Hi Grant, thanks for the suggestion.  I recently re-calibrated the ref 
> frequency and TX power on both stations.  I was not sure if reverting to a 
> prior saved configuration would undo the calibrations.73,EdN2BHD
> 
>On Monday, November 2, 2020, 10:13:53 AM EST, Grant Youngman 
>  wrote:  
> 
> The easiest way to do this is simply to save the preferred/standard 
> configuration using K3 utility.  And after other fingers have been at the 
> radio, restore that saved configuration.  There’s no reason to have to look 
> through individual menu settings.
> 
> Grant NQ5T
> 
>> On Nov 2, 2020, at 9:57 AM, Ed via Elecraft  wrote:
>> 
>> Is there a way to read back the K3 Config and Main Menu settings into a 
>> spreadsheet or CSV file?  I have two club K3 stations that occasionally 
>> experience some changes to the menus.  It would be nice to be able to 
>> quickly verify what the changes were, and if necessary restore the menus.
>> Thanks & 73,
>> Ed
>> N2BHD
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Re: [Elecraft] [OT] Broken boom mic attachment on a CM-500

[Mike Furrey]

 I have fixed two broken Heil headsets with copious amount of JB weld. Looks 
like ... well anyway that worked well. They never broke again at those spot. 

I bought an aviation headset dirt cheap at an estate sale and converted it for 
ham usage. That thing will never fail.

73, Mike WA5POK 


 On Sunday, November 1, 2020, 05:14:27 PM EST, Bill Frantz 
 wrote:  
 
 The boom mic on my CM-500 is now flopping around held only by 
the signal wire.

Any ideas about how to reattach it?

What are the best replacement headsets these days. Someone said 
that the CM-500 has changed for the worse in the last few years.

Any other advice?

73 Bill AE6JV

---
Bill Frantz        | Security is like Government  | Periwinkle
(408)348-7900      | services. The market doesn't | 150 
Rivermead Rd #235
www.pwpconsult.com | want to pay for them.        | 
Peterborough, NH 03458

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Re: [Elecraft] K3 Config and Main Menu Dump?

[Ed via Elecraft]

 Hi Grant, thanks for the suggestion.  I recently re-calibrated the ref 
frequency and TX power on both stations.  I was not sure if reverting to a 
prior saved configuration would undo the calibrations.73,EdN2BHD

On Monday, November 2, 2020, 10:13:53 AM EST, Grant Youngman 
 wrote:  
 
 The easiest way to do this is simply to save the preferred/standard 
configuration using K3 utility.  And after other fingers have been at the 
radio, restore that saved configuration.  There’s no reason to have to look 
through individual menu settings.

Grant NQ5T

> On Nov 2, 2020, at 9:57 AM, Ed via Elecraft  wrote:
> 
> Is there a way to read back the K3 Config and Main Menu settings into a 
> spreadsheet or CSV file?  I have two club K3 stations that occasionally 
> experience some changes to the menus.  It would be nice to be able to quickly 
> verify what the changes were, and if necessary restore the menus.
> Thanks & 73,
> Ed
> N2BHD
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Re: [Elecraft] K3 Config and Main Menu Dump?

[Grant Youngman]

The easiest way to do this is simply to save the preferred/standard 
configuration using K3 utility.  And after other fingers have been at the 
radio, restore that saved configuration.  There’s no reason to have to look 
through individual menu settings.

Grant NQ5T

> On Nov 2, 2020, at 9:57 AM, Ed via Elecraft  wrote:
> 
> Is there a way to read back the K3 Config and Main Menu settings into a 
> spreadsheet or CSV file?  I have two club K3 stations that occasionally 
> experience some changes to the menus.  It would be nice to be able to quickly 
> verify what the changes were, and if necessary restore the menus.
> Thanks & 73,
> Ed
> N2BHD
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[Elecraft] K3 Config and Main Menu Dump?

[Ed via Elecraft]

Is there a way to read back the K3 Config and Main Menu settings into a 
spreadsheet or CSV file?  I have two club K3 stations that occasionally 
experience some changes to the menus.  It would be nice to be able to quickly 
verify what the changes were, and if necessary restore the menus.
Thanks & 73,
Ed
N2BHD
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