Re: [Elecraft] Elecraft newsletter

[Dave Cole (NK7Z)]

Same question here, how do I sign up for this newsletter?

73s and thanks,
Dave
NK7Z
https://www.nk7z.net

On 04/24/2018 02:26 PM, Tom McCulloch wrote:

Is the Newsletter the same as the list "Digest"?


On 4/24/2018 3:25 PM, John Gibson wrote:
How do I sign up to receive the Elecraft newsletter? And where do I 
find back issues?


Thank you and 73,

John, no8v
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Re: [Elecraft] KX3 settings for digital and other modes

[Frank O'Donnell]

Don, thanks for the comments. I didn't mention it in my prior post, but 
setting the mike gain to achieve ~4.5 bars on the ALC meter is indeed 
something I paid a lot of attention to.


On that general topic, I've heard others talk about a couple of 
strategies for making sure that you're getting a clean digital signal 
out that isn't overmodulated. One is to have a local friend take a look 
at your signal as received at their location. Another apparently is to 
run your transceiver into a dummy load, then use an SDR or similar 
receiver close by with a hank of wire as an antenna to sample the signal 
you're putting out. I can't remember, however, if those discussions were 
in the context of Elecraft radios. Does it seem reasonable to run my KX3 
into a dummy load (perhaps with the power out turned down) and listen to 
it with, say, an SDRplay to evaluate the signal out? Keeping the levels 
low of course to protect the SDR.


One other point about the audio setup for digital. When I was getting my 
gear configured, I tried using a couple of different soundcard devices. 
One of them seemed to work fine with both right and left stereo channels 
plugged in between the soundcard and KX3. When I tried the other 
soundcard, however, I got a PTT error when powering up the KX3. After I 
unplugged the stereo channel on that soundcard that went to the ring 
connector on the KX3 mike in, everything worked fine. Is that a problem 
known to occur with some soundcards?


Thanks again,

Frank K6FOD


On 4/24/18 1:24 PM, Don Wilhelm wrote:

Frank,

As you have indicated, those settings will get you started.
But definitely use DATA A, not USB.
Reason is that Compression and EQ is automatically set to zero, and 
your SSB settings can remain undisturbed.


You mic gain setting is the most important when using data modes. Set 
it so you have 4 bars solid on the ALC meter with the 5th bar flashing.


You may want to read the article dealing with setting the audio gains 
(yes, there can be up to 3) that is on my website www.w3fpr.com.  
Scroll the left column down to the bottom and click on the link to the 
article.


There is no sense in setting RS232 to a slower baud rate unless the 
application software demands it.


For voice and CW modes, you want to have AGC on.  TX and RX EQ can be 
set to whatever your ears like.



73,
Don W3FPR

On 4/24/2018 4:02 PM, Frank O'Donnell wrote:
Hi all, new ham here and a KX3 owner for three weeks. In the time 
I've had the radio, I've used it exclusively for FT8. The first thing 
I did was to set it up for digital modes using settings from a 
YouTube video by K5ACL. Specifically:



AGC MD: off (default is on)

Mike bias: off (default is on)

RS232: Set to desired baud rate. KX3 supports max 38400 baud

RX EQ: off

TX EQ: off

TX GAIN: ALC 25 (this is the default)

Mode: USB


This all worked fine. Not long thereafter II changed from setting the 
KX3 mode to USB, and have been using the Data mode instead.







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Re: [Elecraft] KX3 settings for digital and other modes

[Frank O'Donnell]

Thanks very much, Walter -- a very helpful reminder of the relevant 
manual sections. I'll particularly take a close look at your blog post 
in preparation for working phone.


On 4/24/18 1:16 PM, Walter Underwood wrote:
For phone, follow the “Basic Voice-Mode Setup” in the KX3 manual (page 
15). There are some additional settings collected from this list for 
TX EQ and compression, I put together a blog post with those.


https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/

DATA A mode automatically disables TX EQ, RX EQ, and compression. If 
that video suggests using USB and disabling EQ, I wouldn’t trust it, 
because it is giving wrong advice. Use the "DATA A and AFSK A (Audio 
Data Modes)" instructions in the KX3 manual instead (page 18).


Also, I’m not sure I see the benefit of turning AGC off for digital 
modes. The radio has better information about signal strength than an 
audio codec can have.


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

On Apr 24, 2018, at 1:02 PM, Frank O'Donnell > wrote:


Hi all, new ham here and a KX3 owner for three weeks. In the time 
I've had the radio, I've used it exclusively for FT8. The first thing 
I did was to set it up for digital modes using settings from a 
YouTube video by K5ACL. Specifically:



AGC MD: off (default is on)

Mike bias: off (default is on)

RS232: Set to desired baud rate. KX3 supports max 38400 baud

RX EQ: off

TX EQ: off

TX GAIN: ALC 25 (this is the default)

Mode: USB


This all worked fine. Not long thereafter II changed from setting the 
KX3 mode to USB, and have been using the Data mode instead.


Now I'm looking at expanding use of the radio to CW and perhaps to 
voice. I therefore wanted to revisit the settings to make sure I 
understand them all, and know which are important.


Some questions:

1) Do all of the above seem important for digital modes such as FT8? 
I believe I read somewhere that when the KX3 is put into Data mode it 
will make some of these changes anyway. Are there any I don't need to 
worry about as long as I select Data mode for FT8 and other digital 
sessions?


2) Should I change any of the above settings for CW?

3) Should I change any of the above settings for phone? Wondering for 
example about the mike bias and EQ.


Thanks for any possible help,

Frank K6FOD


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[Elecraft] PX3 reset....

[Tom Francis, W1TEF]

Greetings,

Apparently I can't read owner manuals correctly.  I'm trying to reset my 
PX3 to

factory specs and I don't seem to be accomplishing that.

I'm probably missing something, but could somebody tell me what I need 
to do.


(I need to do this because I've hopeless messed up the display and I 
can't seem

to get it back to where I want it - resetting it is the best option).

Thanks in advance.

Tom, W1TEF
Lexington County, SC
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Re: [Elecraft] PX3 Green Cursor Bar Color Inverting

[Alan]

The cursors look different depending on mode (CW, SSB, various digital, 
etc.)  And the mode setting is stored per band.  So probably it's just 
that different bands are set for different modes.


Alan N1AL


On 04/24/2018 11:09 AM, John_N1JM wrote:

On some spans and some bands the VFO A Green cursor bar will invert color -
looks like black bar with green  lines. There is probably a quick fix for
that. Haven't found it yet.

73, John N1JM


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Re: [Elecraft] KAT500/K3 position

[Mike Murray]

Thanks to all who responded!  Since I'm not really a heavy user, I'll try
the tuner on top of the K3 and go from there.  If any problems develop it
won't be a major problem to move it underneath.

Thanks again.
73,
Mike W0AG

On Tue, Apr 24, 2018 at 5:56 PM, Don Wilhelm  wrote:

> Mike,
>
> That should work just fine.  Most folks would put the KAT500 on top of the
> KPA500, but on top of the K3 will work OK too.
>
> 73,
> Don W3FPR
>
>
> On 4/24/2018 6:15 PM, Mike Murray wrote:
>
>> I'm rearranging the station and considering putting the KAT500 on top of
>> my
>> K3.  Will the clearance be adequate for proper cooling airflow thru the
>> K3?
>>
>
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Re: [Elecraft] KAT500/K3 position

[Wes Stewart]

I wouldn't, and don't, put the KAT500 on top of the KPA500.  Mine is underneath 
the amp.  I've given consideration to building an aux box with the same 
footprint and height as the KAT500 to hold an SDR-IQ and other stuff (KRC2 
maybe) and have it under the K3S.


Wes  N7WS

On 4/24/2018 3:56 PM, Don Wilhelm wrote:

Mike,

That should work just fine.  Most folks would put the KAT500 on top of the 
KPA500, but on top of the K3 will work OK too.


73,
Don W3FPR

On 4/24/2018 6:15 PM, Mike Murray wrote:

I'm rearranging the station and considering putting the KAT500 on top of my
K3.  Will the clearance be adequate for proper cooling airflow thru the K3?

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Re: [Elecraft] KAT500/K3 position

[Dale Boresz]

Mike,

I've had mine positioned that way for the last 4-1/2 years, with the radio
powered up about 18 hours a day every day. Never had any kind of problem.

73,

Dale - WA8SRA


On Tue, Apr 24, 2018 at 6:15 PM, Mike Murray  wrote:

> I'm rearranging the station and considering putting the KAT500 on top of my
> K3.  Will the clearance be adequate for proper cooling airflow thru the K3?
>
> 73,
> Mike - W0AG
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Re: [Elecraft] KAT500/K3 position

[Don Wilhelm]

Mike,

That should work just fine.  Most folks would put the KAT500 on top of 
the KPA500, but on top of the K3 will work OK too.


73,
Don W3FPR

On 4/24/2018 6:15 PM, Mike Murray wrote:

I'm rearranging the station and considering putting the KAT500 on top of my
K3.  Will the clearance be adequate for proper cooling airflow thru the K3?

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[Elecraft] KAT500/K3 position

[Mike Murray]

I'm rearranging the station and considering putting the KAT500 on top of my
K3.  Will the clearance be adequate for proper cooling airflow thru the K3?

73,
Mike - W0AG
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Re: [Elecraft] Elecraft newsletter

[Don Wilhelm]

Tom,

No, they are 2 different things.  The Newsletter is occasional.

73,
Don W3FPR

On 4/24/2018 5:26 PM, Tom McCulloch wrote:

Is the Newsletter the same as the list "Digest"?


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Re: [Elecraft] KAT500 memories

[Don Wilhelm]

Brian,

If you have not 'trained' the tuner on each band segment, the KAT500 
will use the settings from the closest band segment where data is available.


After 'training' the tuner, do you switch the tuner to MANual?  If not 
you should.  If left in AUTO, there will be times when the tuner will 
try to tune even though it had already been tuned on that band segment.
That behavior is due to the fact that the forward and reverse power 
cannot be measured at exactly the same time.


On SSB for instance, if the forward power is sensed at a time when the 
audio is low, and then the audio increases when the reverse power is 
measured. the SWR calculation will say (incorrectly) there is a high SWR 
and the tuner will attempt to tune.

Leaving the KAT500 in MAN mode prevents that behavior.

Remember that an SWR of 1 is not essential.  An SWR of 1.2 or 1.3 is 
quite acceptable and will keep the KPA500 quite "happy".


73,
Don W3FPR

On 4/24/2018 3:55 PM, Brian D wrote:

Are the segments on fixed frequencies? I like to work through the bands I
use before contests to set up tuning. Sometimes in the following contest I
find a frequency which seems to be between segments, retuning within 10KHz
either side doesn't then seem to correct the tuning on the specific
frequency I want to use.


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Re: [Elecraft] KAT500 memories

[Harlan Sherriff via Elecraft]

Thanks all. I did notice the chart in the manual but wasn’t sure if the memory 
could hold all of that for all bands/antenna. I’m working on a program to 
automate this process (with manual transmit so as not to disturb ongoing 
QSO’s), and didn’t want to set up more than the memory would allow. 

Sent from my iPhone

> On Apr 24, 2018, at 3:55 PM, Brian D  wrote:
> 
> Are the segments on fixed frequencies? I like to work through the bands I
> use before contests to set up tuning. Sometimes in the following contest I
> find a frequency which seems to be between segments, retuning within 10KHz
> either side doesn't then seem to correct the tuning on the specific
> frequency I want to use.
> 
> 
> Don Wilhelm  wrote:
> 
>> Harlan,
>> 
>> There are enough to store data for each band segment in the 160m thru 6m
>> bands.  Page 15 of the KAT500 manual shows the width of each band
>> segments:  Below 3 MHz the segments are 10 kHz wide.  From 3 MHz through
>> 26 MHz the segments are 20 kHz wide.  From 26 MHz to 38 MHz the segments
>> are 100 kHz wide.  From 38 MHz to 60 MHz the segments are 200 kHz wide.
>> 
>> You are not likely to run out of memories.
>> 
>> 73, Don W3FPR
>> 
>>> On 4/24/2018 3:07 PM, Harlan Sherriff via Elecraft wrote:
>>> I understand the tuner holds tune data in memories for quicker tuning
>>> when changing frequencies, and it stores separate data for each antenna
>>> port. My question is, how many data points can these memories hold? In
>>> other words, how many frequencies per band per antenna can it hold?
>> __ Elecraft
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>> gro...@planet3.freeuk.co.uk
>> 
> 
> 
> -- 
> Brian D
> G3VGZ  YarmEngland
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Re: [Elecraft] Elecraft newsletter

[Tom McCulloch]

Is the Newsletter the same as the list "Digest"?


On 4/24/2018 3:25 PM, John Gibson wrote:

How do I sign up to receive the Elecraft newsletter? And where do I find back 
issues?

Thank you and 73,

John, no8v
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Re: [Elecraft] Elecraft Digest, Vol 168, Issue 26

[Ray W2RS via Elecraft]

To all who responded to my question about distorted SSB audio with the KXPA100, 
thanks!


My antenna is a Hy-Gain AV620 elevated vertical, fed with 100 feet of Davis 
Buryflex (direct bury, feedline loss comparable to Belden 9213).  SWR is 1.5 or 
lower on 20 through 6 meters.


Don makes an interesting point about power supply voltage.  As I mentioned, it 
is 13.7 on receive and 13.1 with 100 watts output.  That is on 20 meters.  On 
10 meters, it is 12.7 with 100 watts output.  By Don's figures, that is a 
possible problem.


I've got lots of receivers.  I tried listening to myself on a KWM-2, chosen 
because it's got vacuum tubes.  There is distortion at all power levels with 
the KXPA100, but no distortion with the barefoot KX3.  That argues against 
supply voltage being the sole cause, but there could be more than one.




I want to try one more thing: the Elecraft mike.  I've had RF problems with 
several other mikes and rigs, and I want to try a mike that I know is clean.  
Unfortunately it has an 8-pin Yaesu cable, so I've ordered an adapter that 
plugs into the KX3.  When it comes, I'll post the results.


73 Ray W2RS








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Today's Topics:

   1. K3: Adjusting SSB modulation for proper PEP rating (Edward R Cole)
   2. Re: K3: Adjusting SSB modulation for proper PEP rating
  (Don Wilhelm)
   3. Re: WTB: Loaded KX3 (Petr, OK1RP/M0SIS)
 4. Re: Packing Peanuts Are Of the Devil!
  (Eric Swartz - WA6HHQ, Elecraft)
   5. KXPA100 SSB Distortion (rsoif...@aol.com)
   6. Re: KXPA100 SSB Distortion (Kurt Cramer)
   7. Re: KXPA100 SSB Distortion (rsoif...@aol.com)
   8. Re: K3: Adjusting SSB modulation for proper PEP  rating
  (Edward R Cole)
   9. Re: Elecraft Digest, Vol 168, Issue 25 (Frank)
  10. Re: KXPA100 SSB Distortion (Don Wilhelm)
  11.  KXPA100 SSB Distortion (j...@kk9a.com)
  12. Re: KXPA100 SSB Distortion (David Gilbert)
  13. Re: KXPA100 SSB Distortion (Don Wilhelm)
  14. KXPA100 SSB Distortion (James Wilson)
  15. KX3 (john daws)
  16. Re: KX3 (Don Wilhelm)
  17. PX3 Green Cursor Opacity (John_N1JM)
  18. PX3 Green Cursor Bar Color Inverting (John_N1JM)
  19. How do I change my email address? (Grady Harper)
  20. KAT500 memories (Harlan Sherriff)
  21. Re: KAT500 memories (Ken K6MR)
  22. Re: How do I change my email address? (Charlie T)
  23. Elecraft newsletter (John Gibson)
  24. Re: KAT500 memories (Don Wilhelm)
  25. Re: Elecraft newsletter (hawley, charles j jr)
  26. Re: Elecraft newsletter (hawley, charles j jr)
  27. Re: How do I change my email address? (Don Wilhelm)


--

Message: 1
Date: Mon, 23 Apr 2018 00:56:43 -0800
From: Edward R Cole 
To: Elecraft Reflector 
Subject: [Elecraft] K3: Adjusting SSB modulation for proper PEP rating
Message-ID: <201804230856.w3n8upzk023...@mail47c28.carrierzone.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed

Since the K3 operates so differently (than traditional radios) for 
proper modulation I thought I'd ask this:
In olden days amplifiers were rated in PEP typically as 2x average 
(or CW) power, so for AM one had to set carrier at 1/4 full carrier 
output to stay linear. (1/2 carrier  for SSB).

But now I am setting up a 600w linear amp to run at P1 which is about 
0.9 of P3 (saturated power) and wondering what level of carrier power 
to run in SSB to stay linear and also not to overdrive and stress the 
expensive LDMOS device in the amplifier.

I'm running the K3 in transverter mode on 28-MHz so max output is 
1.5mw.  I can view this with a scope.  The amplifier is running at 
1296-MHz which is too high a freq to monitor with my scope.  I can 
only observe average RF power from a directional coupler and diode 
detector (like a Bird meter).

Normally, I just set power on the K3 to drive my amp to nominal full 
power and select SSB mode.  Modulation level is set by observing ALC 
meter.  I is ALC showing five bars when saying the word "five" loudly 
and six bars with compression.  So does this mean the K3 
automatically adjusts RF power in SSB to stay linear with proper 
modulation audio setting?

My reason is when running 1296 SSB to avoid overdriving the amplifier 
into P3 possibly causing harm, as much as not wanting to produce 
non-linear products.

73, Ed - KL7UW
   http://www.kl7uw.com
Dubus-NA Business mail:
   dubus...@gmail.com 



--

Message: 2
Date: Mon, 23 Apr 2018 06:52:06 -0400
From: Don Wilhelm 
To: Edward R Cole 

Re: [Elecraft] KX3 settings for digital and other modes

[Don Wilhelm]

Frank,

As you have indicated, those settings will get you started.
But definitely use DATA A, not USB.
Reason is that Compression and EQ is automatically set to zero, and your 
SSB settings can remain undisturbed.


You mic gain setting is the most important when using data modes.  Set 
it so you have 4 bars solid on the ALC meter with the 5th bar flashing.


You may want to read the article dealing with setting the audio gains 
(yes, there can be up to 3) that is on my website www.w3fpr.com.  Scroll 
the left column down to the bottom and click on the link to the article.


There is no sense in setting RS232 to a slower baud rate unless the 
application software demands it.


For voice and CW modes, you want to have AGC on.  TX and RX EQ can be 
set to whatever your ears like.



73,
Don W3FPR

On 4/24/2018 4:02 PM, Frank O'Donnell wrote:
Hi all, new ham here and a KX3 owner for three weeks. In the time I've 
had the radio, I've used it exclusively for FT8. The first thing I did 
was to set it up for digital modes using settings from a YouTube video 
by K5ACL. Specifically:



AGC MD: off (default is on)

Mike bias: off (default is on)

RS232: Set to desired baud rate. KX3 supports max 38400 baud

RX EQ: off

TX EQ: off

TX GAIN: ALC 25 (this is the default)

Mode: USB


This all worked fine. Not long thereafter II changed from setting the 
KX3 mode to USB, and have been using the Data mode instead.



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Re: [Elecraft] KX3 settings for digital and other modes

[Walter Underwood]

For phone, follow the “Basic Voice-Mode Setup” in the KX3 manual (page 15). 
There are some additional settings collected from this list for TX EQ and 
compression, I put together a blog post with those.

https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/

DATA A mode automatically disables TX EQ, RX EQ, and compression. If that video 
suggests using USB and disabling EQ, I wouldn’t trust it, because it is giving 
wrong advice. Use the "DATA A and AFSK A (Audio Data Modes)" instructions in 
the KX3 manual instead (page 18).

Also, I’m not sure I see the benefit of turning AGC off for digital modes. The 
radio has better information about signal strength than an audio codec can have.

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

> On Apr 24, 2018, at 1:02 PM, Frank O'Donnell  wrote:
> 
> Hi all, new ham here and a KX3 owner for three weeks. In the time I've had 
> the radio, I've used it exclusively for FT8. The first thing I did was to set 
> it up for digital modes using settings from a YouTube video by K5ACL. 
> Specifically:
> 
> 
> AGC MD: off (default is on)
> 
> Mike bias: off (default is on)
> 
> RS232: Set to desired baud rate. KX3 supports max 38400 baud
> 
> RX EQ: off
> 
> TX EQ: off
> 
> TX GAIN: ALC 25 (this is the default)
> 
> Mode: USB
> 
> 
> This all worked fine. Not long thereafter II changed from setting the KX3 
> mode to USB, and have been using the Data mode instead.
> 
> Now I'm looking at expanding use of the radio to CW and perhaps to voice. I 
> therefore wanted to revisit the settings to make sure I understand them all, 
> and know which are important.
> 
> Some questions:
> 
> 1) Do all of the above seem important for digital modes such as FT8? I 
> believe I read somewhere that when the KX3 is put into Data mode it will make 
> some of these changes anyway. Are there any I don't need to worry about as 
> long as I select Data mode for FT8 and other digital sessions?
> 
> 2) Should I change any of the above settings for CW?
> 
> 3) Should I change any of the above settings for phone? Wondering for example 
> about the mike bias and EQ.
> 
> Thanks for any possible help,
> 
> Frank K6FOD
> 
> 
> 
> 
> 
> __
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[Elecraft] KX3 settings for digital and other modes

[Frank O'Donnell]

Hi all, new ham here and a KX3 owner for three weeks. In the time I've 
had the radio, I've used it exclusively for FT8. The first thing I did 
was to set it up for digital modes using settings from a YouTube video 
by K5ACL. Specifically:



AGC MD: off (default is on)

Mike bias: off (default is on)

RS232: Set to desired baud rate. KX3 supports max 38400 baud

RX EQ: off

TX EQ: off

TX GAIN: ALC 25 (this is the default)

Mode: USB


This all worked fine. Not long thereafter II changed from setting the 
KX3 mode to USB, and have been using the Data mode instead.


Now I'm looking at expanding use of the radio to CW and perhaps to 
voice. I therefore wanted to revisit the settings to make sure I 
understand them all, and know which are important.


Some questions:

1) Do all of the above seem important for digital modes such as FT8? I 
believe I read somewhere that when the KX3 is put into Data mode it will 
make some of these changes anyway. Are there any I don't need to worry 
about as long as I select Data mode for FT8 and other digital sessions?


2) Should I change any of the above settings for CW?

3) Should I change any of the above settings for phone? Wondering for 
example about the mike bias and EQ.


Thanks for any possible help,

Frank K6FOD





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Re: [Elecraft] KAT500 memories

[Brian D]

Are the segments on fixed frequencies? I like to work through the bands I
use before contests to set up tuning. Sometimes in the following contest I
find a frequency which seems to be between segments, retuning within 10KHz
either side doesn't then seem to correct the tuning on the specific
frequency I want to use.


Don Wilhelm  wrote:

> Harlan,
> 
> There are enough to store data for each band segment in the 160m thru 6m
> bands.  Page 15 of the KAT500 manual shows the width of each band
> segments:  Below 3 MHz the segments are 10 kHz wide.  From 3 MHz through
> 26 MHz the segments are 20 kHz wide.  From 26 MHz to 38 MHz the segments
> are 100 kHz wide.  From 38 MHz to 60 MHz the segments are 200 kHz wide.
> 
> You are not likely to run out of memories.
> 
> 73, Don W3FPR
> 
> On 4/24/2018 3:07 PM, Harlan Sherriff via Elecraft wrote:
> > I understand the tuner holds tune data in memories for quicker tuning
> > when changing frequencies, and it stores separate data for each antenna
> > port. My question is, how many data points can these memories hold? In
> > other words, how many frequencies per band per antenna can it hold?
> __ Elecraft
> mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:
> http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html Message delivered to
> gro...@planet3.freeuk.co.uk
> 


-- 
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G3VGZ  YarmEngland
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Re: [Elecraft] How do I change my email address?

[Don Wilhelm]

Grady,

The easiest way is to go to the Elecraft website and click on "eMail 
List" on the top banner.  From there you can click on the like to 
"Subscribe or change your subscription ..."


73,
Don W3FPR

On 4/24/2018 3:04 PM, Grady Harper via Elecraft wrote:

I'm closing the email account I use for this group.  How do I change the email 
address for this group.
Thanks.
  AJ4YA
Grady

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Re: [Elecraft] Elecraft newsletter

[hawley, charles j jr]

Past issues...
https://mailchi.mp/elecraft/april-newsletter?e=a370946e09

Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad

On Apr 24, 2018, at 2:26 PM, John Gibson 
> wrote:

How do I sign up to receive the Elecraft newsletter? And where do I find back 
issues?

Thank you and 73,

John, no8v
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Re: [Elecraft] Elecraft newsletter

[hawley, charles j jr]

http://elecraft.us13.list-manage1.com/subscribe?u=ade3f9ea0defe0990b07b5b70=cb703a5c71

Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad

On Apr 24, 2018, at 2:26 PM, John Gibson 
> wrote:

How do I sign up to receive the Elecraft newsletter? And where do I find back 
issues?

Thank you and 73,

John, no8v
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Re: [Elecraft] KAT500 memories

[Don Wilhelm]

Harlan,

There are enough to store data for each band segment in the 160m thru 6m 
bands.  Page 15 of the KAT500 manual shows the width of each band segments:

 Below 3 MHz the segments are 10 kHz wide.
 From 3 MHz through 26 MHz the segments are 20 kHz wide.
 From 26 MHz to 38 MHz the segments are 100 kHz wide.
 From 38 MHz to 60 MHz the segments are 200 kHz wide.

You are not likely to run out of memories.

73,
Don W3FPR

On 4/24/2018 3:07 PM, Harlan Sherriff via Elecraft wrote:

I understand the tuner holds tune data in memories for quicker tuning when 
changing frequencies, and it stores separate data for each antenna port. My 
question is, how many data points can these memories hold? In other words, how 
many frequencies per band per antenna can it hold?

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[Elecraft] Elecraft newsletter

[John Gibson]

How do I sign up to receive the Elecraft newsletter? And where do I find back 
issues?

Thank you and 73,

John, no8v
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Re: [Elecraft] How do I change my email address?

[Charlie T]

Are an ARRL member?
They offer a very handy email relay service free to members.
As far as everyone is concerned, you email address is YOURCALL@ARRL,net.

73, Charlie k3ICH


-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Grady Harper via Elecraft
Sent: Tuesday, April 24, 2018 3:04 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] How do I change my email address?

I'm closing the email account I use for this group.  How do I change the
email address for this group.
Thanks.
 AJ4YA
Grady

Sent from my iPad
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Re: [Elecraft] KAT500 memories

[Ken K6MR]

Page 15 of the owner’s manual has a table of the segment width vs. frequency.  
So in answer to your question: “It depends”



Ken K6MR




From: elecraft-boun...@mailman.qth.net  on 
behalf of Harlan Sherriff via Elecraft 
Sent: Tuesday, April 24, 2018 12:07:23 PM
To: Elecraft Email
Subject: [Elecraft] KAT500 memories

I understand the tuner holds tune data in memories for quicker tuning when 
changing frequencies, and it stores separate data for each antenna port. My 
question is, how many data points can these memories hold? In other words, how 
many frequencies per band per antenna can it hold?

Harlan
K4HES

Sent from my iPhone
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[Elecraft] KAT500 memories

[Harlan Sherriff via Elecraft]

I understand the tuner holds tune data in memories for quicker tuning when 
changing frequencies, and it stores separate data for each antenna port. My 
question is, how many data points can these memories hold? In other words, how 
many frequencies per band per antenna can it hold?

Harlan 
K4HES 

Sent from my iPhone
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[Elecraft] How do I change my email address?

[Grady Harper via Elecraft]

I'm closing the email account I use for this group.  How do I change the email 
address for this group.
Thanks.
 AJ4YA
Grady

Sent from my iPad
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[Elecraft] PX3 Green Cursor Bar Color Inverting

[John_N1JM]

On some spans and some bands the VFO A Green cursor bar will invert color -
looks like black bar with green  lines. There is probably a quick fix for
that. Haven't found it yet.

73, John N1JM



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[Elecraft] PX3 Green Cursor Opacity

[John_N1JM]

The green VFO A cursor seems very bright in comparison to my P3. I don't see
any way to adjust opacity but it would be nice to be able to do that. The
purple VFO B cursor is about right.

73, John N1JM



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Re: [Elecraft] KX3

[Don Wilhelm]

John,

This reflector covers all Elecraft products.

The notch filter is only used to notch out an *unwanted* signal - use it 
carefully since you can easily notch out the signal that you are trying 
to receive.


First use the DSP filter to home in on the wanted signal - the PBT knob. 
 The roofing filter will follow along with the width of the DSP passband.


Once you get the wanted signal, you can optionally use APF if it is of 
benefit.


If there is an unwanted signal within the passband, you can use NOTCH to 
reduce it.


73,
Don W3FPR

On 4/24/2018 6:03 AM, john daws wrote:

(not sure if this is the same as using the KX3 users group but here goes)

Would appreciate advice on the use of the* notch filter* on my KX3

It is fitted with* KX3FL3* roofing filters. I only use CW

Once I have spotted a weak signal I can  use these to narrow down and
filter out unwanted noise on the chosen signal

I can also apply the APF filter and tune that way.

Recent advice suggested that the APF function  works best when when used
with a  DSP/crystal filter WIDTH setting of 300-500 Hz

Does this mean I switch on the Notch and tune to this range on the notch
setting and how does this work with the bandwidth settings on the PBT
function?

Do I leave the notch on whilst tuning for other signals or only use it when
I have a weak signal in the first place.

Trial and error has left me doubtful whether I am getting the best out of
this function.

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[Elecraft] KX3

[john daws]

(not sure if this is the same as using the KX3 users group but here goes)

Would appreciate advice on the use of the* notch filter* on my KX3

It is fitted with* KX3FL3* roofing filters. I only use CW

Once I have spotted a weak signal I can  use these to narrow down and
filter out unwanted noise on the chosen signal

I can also apply the APF filter and tune that way.

Recent advice suggested that the APF function  works best when when used
with a  DSP/crystal filter WIDTH setting of 300-500 Hz

Does this mean I switch on the Notch and tune to this range on the notch
setting and how does this work with the bandwidth settings on the PBT
function?

Do I leave the notch on whilst tuning for other signals or only use it when
I have a weak signal in the first place.

Trial and error has left me doubtful whether I am getting the best out of
this function.

Any advice most welcome.

Thanks

john M6KET
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