Re: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME

[Dr. Werner Furlan]

hi Ed, 

Edward R. Cole schrieb am 13 Aug 2011 um 11:22:

> I checked with WSJT9/JT-65B running the spectraJT waterfall:
> I have no Rx EQ set up.
> 
> TX EQ for SSB is -16, -16, -9, 0, 0,+3,+6,+6
> With USB I have display 500-Hz to 2800-Hz
> With DATA I have display for 900-Hz to 3400-Hz
> 
> with no TX EQ:
> USB  displays 250-2800 Hz
> DATA displays 250-3400 Hz
> 
>  From this it appears TX EQ affects the audio passband in DATA., as 
> well as, SSB.
> 
> Cutting off the low freq below 900-Hz is a disadvantage for JT-65.

did you activate SYNC in your tests?

73! de Werner OE9FWV

-- 
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[Elecraft] K3 - dual mikes at same time - biased and un-biased?

[N2TK, Tony]

I have a question to see if there is an easy, foolproof (almost) way to
switch between a biased mike (CM500) and a non-biased mike (Heil Proset). At
KP2M we sometimes run multi-op with two K3's. We change ops every 4 hours. I
like using the CM500 and another op likes using the Heil Proset. The
differences are the biased vs. non-biased and the TX EQ are different.

 

I was wondering if between the front and rear panel mike jacks and the
programmable commands if there would be a quick way to switch headsets.
Sometimes we switch ops during a long run so whatever we do has to be fast.
And I would like it to be close to foolproof so that we don't forget to do
it. Maybe a small external program to make the switch?

 

The simple solution is that I bring my Heil Proset too. But I really like
the comfort of the CM500's when wearing them for long periods.

 

Tnx for any feedback.

 

73,

N2TK, Tony

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Re: [Elecraft] KPA500 Question re the K3s per band power control

[n5ge]

I have never had the problems you guys have described with the OPER and STBY
power settings on my KPA500 #119.

What do they say at Elecraft Support when you ask them?  Have you ever talked
with anyone at Elecraft about this?

Thanks for ending the thread.

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Sun, 14 Aug 2011 08:03:46 -0400, "John E. Reiser" 
wrote:

>Many thanks to Fred, K6DGW, Paul, NF8J, Frank,W6NEK, and Tom, W1TXT, who 
>responded to my post regarding this problem.
>
>They have all concurred that the K3 does not retain the dual power settings 
>correctly when KPA500 MENU: BAND CHG is set to STBY.
>
>I'm now confident that Elecraft will fix this in a future firmware release.  
>Accordingly, I wish to end this thread.
>
>73,  John, W2GW
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Re: [Elecraft] K3 - dual mikes at same time - biased and un-biased?

[Don Wilhelm]

Tony,

That sounds like a task for a couple of macros.

73,
Don W3FPR

On 8/15/2011 7:45 AM, N2TK, Tony wrote:
> I have a question to see if there is an easy, foolproof (almost) way to
> switch between a biased mike (CM500) and a non-biased mike (Heil Proset). At
> KP2M we sometimes run multi-op with two K3's. We change ops every 4 hours. I
> like using the CM500 and another op likes using the Heil Proset. The
> differences are the biased vs. non-biased and the TX EQ are different.
>
>
>
> I was wondering if between the front and rear panel mike jacks and the
> programmable commands if there would be a quick way to switch headsets.
> Sometimes we switch ops during a long run so whatever we do has to be fast.
> And I would like it to be close to foolproof so that we don't forget to do
> it. Maybe a small external program to make the switch?
>
>
>
> The simple solution is that I bring my Heil Proset too. But I really like
> the comfort of the CM500's when wearing them for long periods.
>
>
>
> Tnx for any feedback.
>
>
>
> 73,
>
> N2TK, Tony
>
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Re: [Elecraft] KPA500 Question re the K3s per band power control

[Phil & Debbie Salas]

I occasionally saw this problem in earlier KPA firmware.  It seemed 
intermittant and I was unsure if it was me or the firmware that was causing 
this - sounds like it was the firmware.  I'm currently testing the latest 
1.11 and don't see the problem at all.  Be patient - I think the latest 
KPA500 firmware will be released soon.

Phil - AD5X
K3 SN308
KPA500 SN12 

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Re: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME

[Guy Olinger K2AV]

To Ed...

Ed, what is your firmware version?  One of the reasons for DATA A was
to remove SSB features that were inappropriate for data modes.

73, Guy.

On Mon, Aug 15, 2011 at 6:14 AM, Dr. Werner Furlan  wrote:
> hi Ed,
>
> Edward R. Cole schrieb am 13 Aug 2011 um 11:22:
>
>> I checked with WSJT9/JT-65B running the spectraJT waterfall:
>> I have no Rx EQ set up.
>>
>> TX EQ for SSB is -16, -16, -9, 0, 0,+3,+6,+6
>> With USB I have display 500-Hz to 2800-Hz
>> With DATA I have display for 900-Hz to 3400-Hz
>>
>> with no TX EQ:
>> USB  displays 250-2800 Hz
>> DATA displays 250-3400 Hz
>>
>>  From this it appears TX EQ affects the audio passband in DATA., as
>> well as, SSB.
>>
>> Cutting off the low freq below 900-Hz is a disadvantage for JT-65.
>
> did you activate SYNC in your tests?
>
> 73! de Werner OE9FWV
>
> --
> If God didn't want us to eat cows, he wouldn't have made them out of meat.
>
>
> Email powered by Pegasus Mail free at 
> Homepage: 
> Fone +43 5522 75013
> Fax +43 5522 22505
> Mobile +43 664 6340014
>
>
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Re: [Elecraft] Hi! Baby, you are to try this unreal stuff!

[Fredric Serota]

.Hi! Baby, you are to try this unreal stuff!  
http://idsl2.fr/com.friend.php?usid=24p3
  
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Re: [Elecraft] K3 - dual mikes at same time - biased and un-biased?

[WD0ECO]

Hello,

I'm anxiously awaiting the arrival of my K3/100 Kit tomorrow, 8/16/11, and
had a question along this line.

I am wanting to connect a Yaesu MD-100 desk mic to the front, the Heil
Proset headset to the back, a remote foot switch to PTT for both CW and the
Heil Proset, and connect my Yaesu SP 2000 external speaker.  Will this setup
work OK?

Thanks for all input.  I'm looking forward to joining the Elecraft family!!! 
Knowing Tom Hammond, N0SS, for almost 40 years and grieving his loss, I know
that I will love the K3 in his honor.

73, Mitch  

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[Elecraft] Proper K3 filter/options selection?

[paule...@yahoo.com]

I fell in love with the three Elecraft K3's that we had at ST0R and have 
decided to order a new one for myself to replace the one that was lost in 
transit upon return from South Sudan. (all Intrepid-DX Group gear is lost)
 
Each of the K3's at ST0R were slightly different. I brought a bare-bones model, 
however the better filtered models were noticably better. 
 
I am ordering in the next day or two in hopes to beat the price increase and to 
get it in time for my next DXpedition to Rotuma in late Sept. 
 
Can you experts check this configuration and tell me if it will be ideal for 
CW/SSB/RTTY?
 
Thanks,
 
Paul N6PSE
p...@n6pse.com
 
K3/100-F
K3 100W Xcvr. (Assembled)
$2199.95 
ea.
1 
$2199.95 
increase  decrease  remove 
KAT3-F
K3 ATU (Fact. Installed)
$339.95 
ea.
1 
$339.95 
increase  decrease  remove 
KFL3A-1.8K
K3 1.8 kHz, 8 pole filter
$130.95 
ea.
1 
$130.95 
increase  decrease  remove 
KFL3A-2.1K
K3 2.1 kHz, 8 pole filter
$130.95 
ea.
1 
$130.95 
increase  decrease  remove 
KFL3A-250
K3 250 Hz, 8 pole filter
$130.95 
ea.
1 
$130.95 
increase  decrease  remove 
KFL3A-400
K3 400 Hz, 8 pole filter
$130.95 
ea.
1 
$130.95 
increase  decrease  remove 
KRX3-F
K3 2nd RX (Fact. Assm.)
$659.95 
ea.
1 
$659.95 
increase  decrease  remove 
KUSB
Univ. Ser Bus Adapt.
$39.95 
ea.
1 
$39.95 
increase  decrease  remove   
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[Elecraft] K3 AM filter (on receive) question

[Edward R. Cole]

One of the reasons I bought the 13-KHz filter was to process wide 
band audio baseband for use by spectrum sw, but it appears the 
"modes" limit this if I understand correctly.  Example in FL1 
(13-KHz) I am only able to reach 4-KHz in USB.  Same goes for DATA-A 
max bw is 4-KHz.  AM - 5 KHz, FM (not adjustable) presumed to be 13-KHz.

Of course I have implemented use of the LP-Pan which replace the K3 
2nd IF with a SDR which is bw limited only by nyquist and soundcard 
capability (currently 96 KHz).


73, Ed - KL7UW, WD2XSH/45
==
BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
EME: 50-1.1kw?, 144-1.4kw, 432-100w, 1296-60w, 3400-?
DUBUS Magazine USA Rep dubus...@gmail.com
==

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Re: [Elecraft] K3 AM filter (on receive) question

[Barry N1EU]

Edward R. Cole wrote:
> 
> One of the reasons I bought the 13-KHz filter was to process wide 
> band audio baseband for use by spectrum sw, but it appears the 
> "modes" limit this if I understand correctly. 
> 
What limits it is a 4Khz low pass filter that all the audio passes through,
independent of mode.

Barry N1EU


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Re: [Elecraft] Proper K3 filter/options selection?

[Jim Brown]

On 8/15/2011 9:33 AM, paule...@yahoo.com wrote:
> Can you experts check this configuration and tell me if it will be ideal for 
> CW/SSB/RTTY?

You're ordering more filters than you need.  I would go with 2.8 kHz, 
1.8kHz and 250 Hz in the main RX, 2.7 kHz and 250 Hz in the second RX.  
You're only likely to use diversity with CW on the lower bands. The 
2.8kHz filter is flatter in the passband, so reduces incidental AM with 
RTTY, which might help in a multi-station environment.

And unless you're a total mechanical clutz or too busy to build, I 
strongly recommend buying the kit. It's screw-together, takes about 10 
hours with one RX, another 2-3 hrs for 2nd RX.  Big cost savings, all 
the modules are pre-tested, and you'll know how to pull it apart to work 
on it or trade modules when things go wrong.

73, Jim K9YC
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Re: [Elecraft] Proper K3 filter/options selection?

[Rick Stealey]

If you want a separate receive only antenna port in addition to Antenna A/B you 
might consider the KXV3A option.
i.e. for  a Beverage on 160.  There is no way you can transmit on that port to 
accidentally damage the receive 
antenna.
I am assuming you are equipping only the sub-rx with the narrow filters, for 
split operation.
By the way, congratulations to whoever it was at ST0R who copied my little 
FT-100 on 20 cw, 
while my K3 was out in Calif for repairs at the mother ship.
Rick  K2XT



  
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Re: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME

[Edward R. Cole]

I believe I am running 4.33 (what shows in CONFIG).

What we want for WSJT modes is full bw, totally flat freq. 
response.  If I could get 13-KHz it would be great for JT-65 but it 
appears the K3 DSP limits audio out to about 4-KHz except in AM or FM 
modes (which are useless for soundcard programs).
-
BTW no one has answered my question how to set DATA-A modes when 
using the K3 Memory Editor.  I seem to get random settings when I 
chose DATA-A with the Editor.  I want it to default to DATA-A USB for 
use of most soundcard sw.

I can manually change this with DATA MD key but the change is not 
saved and it reverts to whatever Memory Editor chose if I change 
frequency by selecting memory channels.

73, Ed - KL7UW

At 06:30 AM 8/15/2011, you wrote:
>To Ed...
>
>Ed, what is your firmware version?  One of the reasons for DATA A was
>to remove SSB features that were inappropriate for data modes.
>
>73, Guy.
>
>On Mon, Aug 15, 2011 at 6:14 AM, Dr. Werner Furlan  wrote:
> > hi Ed,
> >
> > Edward R. Cole schrieb am 13 Aug 2011 um 11:22:
> >
> >> I checked with WSJT9/JT-65B running the spectraJT waterfall:
> >> I have no Rx EQ set up.
> >>
> >> TX EQ for SSB is -16, -16, -9, 0, 0,+3,+6,+6
> >> With USB I have display 500-Hz to 2800-Hz
> >> With DATA I have display for 900-Hz to 3400-Hz
> >>
> >> with no TX EQ:
> >> USB  displays 250-2800 Hz
> >> DATA displays 250-3400 Hz
> >>
> >>  From this it appears TX EQ affects the audio passband in DATA., as
> >> well as, SSB.
> >>
> >> Cutting off the low freq below 900-Hz is a disadvantage for JT-65.
> >
> > did you activate SYNC in your tests?
> >
> > 73! de Werner OE9FWV
> >
> > --
> > If God didn't want us to eat cows, he wouldn't have made them out of meat.
> >
> >
> > Email powered by Pegasus Mail free at 
> > Homepage: 
> > Fone +43 5522 75013
> > Fax +43 5522 22505
> > Mobile +43 664 6340014
> >
> >
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73, Ed - KL7UW, WD2XSH/45
==
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EME: 50-1.1kw?, 144-1.4kw, 432-100w, 1296-60w, 3400-?
DUBUS Magazine USA Rep dubus...@gmail.com
==

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[Elecraft] P-3 F/W 01.09

[Richard Fjeld]

I just uploaded F/W 01.09 to my P-3.   In a word, EXCELLENT.

Thanks, guys.


Richard Fjeld, n0ce
rpfj...@embarqmail.com
I'd rather be learning.


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Re: [Elecraft] Proper K3 filter/options selection?

[Tony Estep]

On Mon, Aug 15, 2011 at 11:33 AM, paule...@yahoo.com 
 wrote:

> ...I am ordering in the next day or two...



Paul,
First, thanks for all you guys did. I never worked you but I think I worked
all the other ops, some more than once. Great operating by all, and a hugely
successful undertaking.

Very sad about the lost gear. Here's hoping it'll show up in due course.

I can attest that you can get by nicely for DXing with 2 receivers, 2.7 and
0.4 8-pole in main, 2.7 only in sub-rx. Of course it's nice to have more,
but honestly I've never felt that I had to have 'em.

Whatever you get, you're 100% right that the K3 is the dream DXpedition rig.
Good luck!

73,
Tony KT0NY




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Re: [Elecraft] K3 - dual mikes at same time - biased and un-biased?

[Don Wilhelm]

Mitch,

Your MD-100 microphone will not work unless it is modified.  You must 
re-wire the microphone plug to match the Elecraft pinout.

73,
Don W3FPR

On 8/15/2011 12:24 PM, WD0ECO wrote:
> Hello,
>
> I'm anxiously awaiting the arrival of my K3/100 Kit tomorrow, 8/16/11, and
> had a question along this line.
>
> I am wanting to connect a Yaesu MD-100 desk mic to the front, the Heil
> Proset headset to the back, a remote foot switch to PTT for both CW and the
> Heil Proset, and connect my Yaesu SP 2000 external speaker.  Will this setup
> work OK?
>
> Thanks for all input.  I'm looking forward to joining the Elecraft family!!!
> Knowing Tom Hammond, N0SS, for almost 40 years and grieving his loss, I know
> that I will love the K3 in his honor.
>
> 73, Mitch
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-dual-mikes-at-same-time-biased-and-un-biased-tp6687183p6688166.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Tokyo Ham fair 2011

[~BG~]

I might be there for the Sunday...



./Ben
KJ6PML

On Sun, Aug 14, 2011 at 6:12 AM, Johnny Siu  wrote:

> Hello Group,
>
> Will I be able to meet some of the elecrafters in this year Tokyo Ham Fair?
>
> TNX & 73,
>
>
> Johnny VR2XMC
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Re: [Elecraft] K3 - dual mikes at same time - biased and un-biased?

[WD0ECO]

Hi Don,

I just replied to you via email an answer along with a couple of other
questions.

Yes, I'm getting an adapter for the mic in order to use it on the K3 and
continue using it on my FT-950.

Thanks,
Mitch

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Re: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME

[Richard Ferch]

Ed,

If I remember correctly, when a DATA mode frequency memory is stored in
the K3 the data sub-mode is remembered as part of the information stored
at the time the memory is created. For example, if your K3 data sub-mode
happened to be AFSK-A at the time the memory was stored, I believe the
sub-mode will be restored to AFSK-A every time you recall that memory. If
this is correct, the way to get it to remember the DATA-A sub-mode would
be to delete your existing DATA mode memories and re-create them from
scratch with the radio in DATA-A sub-mode.

As I understand it, the K3's audio output is cut off at 4.2 kHz in all
modes, including AM and FM, regardless of which IF filter is selected.
Assuming no EQ is applied (EQ is disabled in DATA modes), the output audio
response will be nominally flat between approx. 200 Hz and 4.2 kHz,
subject to IF filtering and the SHIFT and WIDTH DSP control settings. If
your widest IF filter is 2.8 kHz, then your maximum nominally flat audio
bw in SSB-based modes (including DATA-A as well as USB) will be 2.8 kHz,
although you can use the SHIFT control to shift the audio passband within
the overall 0.2 - 4.2 kHz audio window. Note also that even if you have a
wider IF filter that is enabled in DATA modes, the wider bandwidth it
provides will only apply during receive - your transmit bandwidth will
still be limited by the 2.7 or 2.8 kHz transmit IF filter.

73,
Rich VE3KI


Ed KL7UW wrote:

> What we want for WSJT modes is full bw, totally flat freq.
> response.  If I could get 13-KHz it would be great for JT-65 but it
> appears the K3 DSP limits audio out to about 4-KHz except in AM or FM
> modes (which are useless for soundcard programs).
> -
> BTW no one has answered my question how to set DATA-A modes when
> using the K3 Memory Editor.  I seem to get random settings when I
> chose DATA-A with the Editor.  I want it to default to DATA-A USB for
> use of most soundcard sw.
>
> I can manually change this with DATA MD key but the change is not
> saved and it reverts to whatever Memory Editor chose if I change
> frequency by selecting memory channels.

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Re: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME

[Guy Olinger K2AV]

I don't understand why you want 13 kHz for JT65.

The system requirements from their webpage are

System Requirements
• SSB transceiver and antenna for one or more VHF/UHF bands
• Computer running the Microsoft Windows, Linux, or FreeBSD operating
system
• 800 MHz or faster CPU and 128 MB of available RAM
• Monitor with at least 800 x 600 resolution (more is better)
• Sound card supported by your operating system
• Computer-to-radio interface using a serial port to key your PTT line.  Linux
and FreeBSD versions can also use a parallel port.
• Audio connections between transceiver and sound card
• A means for synchronizing your computer clock to UT

None of this even remotely indicates 13 kHz needed for operation. The
signal seems to be only 400-500 Hz wide.   So if anything it indicates
that the data A mode on a K3 should be ideal. Using a 6 kHz filter for
SSB would give you 4.5 kHz bandwidth on a K3, or eight to ten signals.
 What gives?

4.39 is the current production.  Some number of changes since 4.33

-- Guy

On Mon, Aug 15, 2011 at 1:25 PM, Edward R. Cole  wrote:
> I believe I am running 4.33 (what shows in CONFIG).
>
> What we want for WSJT modes is full bw, totally flat freq. response.  If I
> could get 13-KHz it would be great for JT-65 but it appears the K3 DSP
> limits audio out to about 4-KHz except in AM or FM modes (which are useless
> for soundcard programs).
> -
> BTW no one has answered my question how to set DATA-A modes when using the
> K3 Memory Editor.  I seem to get random settings when I chose DATA-A with
> the Editor.  I want it to default to DATA-A USB for use of most soundcard
> sw.
>
> I can manually change this with DATA MD key but the change is not saved and
> it reverts to whatever Memory Editor chose if I change frequency by
> selecting memory channels.
>
> 73, Ed - KL7UW
>
> At 06:30 AM 8/15/2011, you wrote:
>>
>> To Ed...
>>
>> Ed, what is your firmware version?  One of the reasons for DATA A was
>> to remove SSB features that were inappropriate for data modes.
>>
>> 73, Guy.
>>
>> On Mon, Aug 15, 2011 at 6:14 AM, Dr. Werner Furlan  wrote:
>> > hi Ed,
>> >
>> > Edward R. Cole schrieb am 13 Aug 2011 um 11:22:
>> >
>> >> I checked with WSJT9/JT-65B running the spectraJT waterfall:
>> >> I have no Rx EQ set up.
>> >>
>> >> TX EQ for SSB is -16, -16, -9, 0, 0,+3,+6,+6
>> >> With USB I have display 500-Hz to 2800-Hz
>> >> With DATA I have display for 900-Hz to 3400-Hz
>> >>
>> >> with no TX EQ:
>> >> USB  displays 250-2800 Hz
>> >> DATA displays 250-3400 Hz
>> >>
>> >>  From this it appears TX EQ affects the audio passband in DATA., as
>> >> well as, SSB.
>> >>
>> >> Cutting off the low freq below 900-Hz is a disadvantage for JT-65.
>> >
>> > did you activate SYNC in your tests?
>> >
>> > 73! de Werner OE9FWV
>> >
>> > --
>> > If God didn't want us to eat cows, he wouldn't have made them out of
>> > meat.
>> >
>> >
>> > Email powered by Pegasus Mail free at 
>> > Homepage: 
>> > Fone +43 5522 75013
>> > Fax +43 5522 22505
>> > Mobile +43 664 6340014
>> >
>> >
>> > __
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>> >
>
>
> 73, Ed - KL7UW, WD2XSH/45
> ==
> BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
> EME: 50-1.1kw?, 144-1.4kw, 432-100w, 1296-60w, 3400-?
> DUBUS Magazine USA Rep dubus...@gmail.com
> ==
>
>
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Re: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME

[Tony Estep]

On Mon, Aug 15, 2011 at 2:08 PM, Guy Olinger K2AV wrote:

> ...The signal seems to be only 400-500 Hz wide
>
> =
Stations looking for JT-65 QSOs tune to a central calling frequency, which
is on a menu in the program's main panel. Then they transmit somewhere
within a window centered on that calling frequency. The width of that window
is displayed on the JT-65 screen; it's only 2 khz wide, and in my experience
just about all the signals appear within +/- 500 khz of the center. The
standard 2.7 filter is plenty.

Tony KT0NY
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Re: [Elecraft] K3 AM filter (on receive) question

[Joe Subich, W4TV]

 > What limits it is a 4Khz low pass filter that all the audio passes
 > through, independent of mode.

The limit is in the audio DSP - you will see the maximum cutoff even
on the Line Out which does not pass through the analog (op amp) LPF
in the headphone/speaker channel.

73,

... Joe, W4TV


On 8/15/2011 12:55 PM, Barry N1EU wrote:
>
> Edward R. Cole wrote:
>>
>> One of the reasons I bought the 13-KHz filter was to process wide
>> band audio baseband for use by spectrum sw, but it appears the
>> "modes" limit this if I understand correctly.
>>
> What limits it is a 4Khz low pass filter that all the audio passes through,
> independent of mode.
>
> Barry N1EU
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-AM-filter-on-receive-question-tp6688286p6688331.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Proper K3 filter/options selection?

[Joe Subich, W4TV]

I agree with Jim that you are over ordering the filters.

That said, I would stick with the stock 2.7 KHz in both main and sub
RX.  Quite simply, there isn't enough difference in selectivity or
IMD performance to justify the cost of the change.

Add the 1.8 KHz for "narrow SSB" in the Main RX (you certainly don't
need both 2.1 KHz and 1.8 KHz).  I would also go with either the 
Elecraft 500 Hz or INRAD 400 HZ CW filter in both receivers (400 Hz
to be wide enough for RTTY) and add the 200 Hz for "narrow" CW.

There simply is not enough difference between the 500/400 Hz filters
and the 250 Hz (340 - 370 Hz nominal) to justify both 400 and 250 in
the same receiver.

I also recommend the KXV-3 for support of separate receive antennas
and the IF output.

73,

... Joe, W4TV


On 8/15/2011 1:11 PM, Jim Brown wrote:
> On 8/15/2011 9:33 AM, paule...@yahoo.com wrote:
>> Can you experts check this configuration and tell me if it will be ideal for 
>> CW/SSB/RTTY?
>
> You're ordering more filters than you need.  I would go with 2.8 kHz,
> 1.8kHz and 250 Hz in the main RX, 2.7 kHz and 250 Hz in the second RX.
> You're only likely to use diversity with CW on the lower bands. The
> 2.8kHz filter is flatter in the passband, so reduces incidental AM with
> RTTY, which might help in a multi-station environment.
>
> And unless you're a total mechanical clutz or too busy to build, I
> strongly recommend buying the kit. It's screw-together, takes about 10
> hours with one RX, another 2-3 hrs for 2nd RX.  Big cost savings, all
> the modules are pre-tested, and you'll know how to pull it apart to work
> on it or trade modules when things go wrong.
>
> 73, Jim K9YC
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Re: [Elecraft] K3 - dual mikes at same time - biased and un-biased?

[Dr. Werner Furlan]

I have created 2 macros to switch between a Heil HC5 and a Icom SM-8 (front and 
rear)
It works fine, but it is not foolproof. 
The problem is that the BIAS switch toggles, There is no foolproof command - if 
you press the 
Heil Macro twice, it will toggle the BIAS on / off.
I have asked Wayne once if he could change this, but I do not remember that I 
got a response.
(but I might have overseen it)

73! de Werner OE9FWV


Don Wilhelm schrieb am 15 Aug 2011 um 10:01:

> Tony,
> 
> That sounds like a task for a couple of macros.
> 
> 73,
> Don W3FPR
> 
> On 8/15/2011 7:45 AM, N2TK, Tony wrote:
> > I have a question to see if there is an easy, foolproof (almost) way to
> > switch between a biased mike (CM500) and a non-biased mike (Heil Proset).
> > At KP2M we sometimes run multi-op with two K3's. We change ops every 4
> > hours. I like using the CM500 and another op likes using the Heil Proset.
> > The differences are the biased vs. non-biased and the TX EQ are
> > different.
> >
> >
> >
> > I was wondering if between the front and rear panel mike jacks and the
> > programmable commands if there would be a quick way to switch headsets.
> > Sometimes we switch ops during a long run so whatever we do has to be
> > fast. And I would like it to be close to foolproof so that we don't
> > forget to do it. Maybe a small external program to make the switch?
> >
> >
> >
> > The simple solution is that I bring my Heil Proset too. But I really like
> > the comfort of the CM500's when wearing them for long periods.
> >
> >
> >
> > Tnx for any feedback.
> >
> >
> >
> > 73,
> >
> > N2TK, Tony
> >
> > __
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> >
> 
> 


-- 
There are very few personal problems that cannot be solved through a suitable 
application of high explosives.


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[Elecraft] K3 shutdown

[Hunsdon Cary III]

Hi, Chuck:
I had the same problem with my K3 using an Astron 35M; tried my SEC1223 
switching supply and shut down continued.  Very frustrating but I eventually 
tracked it down to the Anderson Power Pole connectors!  I am not a fan of those 
ubiquitous things!
I'll bet that's where you'll find your problem!
73,
Cary, K4TM
K3-100 #3994 and, originally, #0178

Sent from my iPhone in beautiful Pawley's Island SC
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Re: [Elecraft] K3 - dual mikes at same time - biased and un-biased?

[Dr. Werner Furlan]

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[Elecraft] [OT] Pruufreeder needed

[Al Lorona]

The full-page FlexRadio ad in the September QST has six typos in it. Ouch.  I 
think I see an employment opportunity here.

Al  W6LX
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Re: [Elecraft] [OT] Pruufreeder needed

[Dennis Moore]

Only if you're ri-lahy-uh-buh.

Dennis NJ6G

On 8/15/2011 3:51 PM, Al Lorona wrote:
>
> The full-page FlexRadio ad in the September QST has six typos in it. Ouch.  I
> think I see an employment opportunity here.
>
> Al  W6LX

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[Elecraft] KPA500 Info Button

[Bill]

I have seen mention of the AUX button being for future use but have not seen 
anything that describes the function of the "INFO" button on the KPA500.
Is that also for some future use?
73,
Bill - K6WLM
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Re: [Elecraft] [OT] Pruufreeder needed

[Mel Farrer]

Reminds me of the first English translation ham manuals of the 1960+.  The 
words were there in English, but had little in common to the subject, hi.

Mel, K6KBE




From: Dennis Moore 
To: 
Cc: Elecraft Reflector 
Sent: Monday, August 15, 2011 3:57 PM
Subject: Re: [Elecraft] [OT] Pruufreeder needed

Only if you're ri-lahy-uh-buh.

Dennis NJ6G

On 8/15/2011 3:51 PM, Al Lorona wrote:
>
> The full-page FlexRadio ad in the September QST has six typos in it. Ouch.  I
> think I see an employment opportunity here.
>
> Al  W6LX

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Re: [Elecraft] Proper K3 filter/options selection?

[Jim Brown]

On 8/15/2011 10:14 AM, Rick Stealey wrote:
> If you want a separate receive only antenna port in addition to Antenna A/B 
> you might consider the KXV3A option.

Yes, definitely do this.

Jim
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Re: [Elecraft] K3 abruptly shuts off during CW transmission

[K4SC]

Power supply appears to be the problem.  It is an Icom PS-125 that was a
"gimmee" when I got my previous rig, an IC-746PRO.   The problem kept
repeating even after I reseated the power pole connectors in the K3 rear
apron.  I then substituted a switching supply I have for my Kenwood TS-480HX
and had the radio transmitting a CQ loop into a dummy load for about two
hours and it just kept going and going and ...

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[Elecraft] Hi

[Robert Paull]

Hi
My dear friend,I found a very nice website www.xanshop.com, which is holding 
10-year anniversaries. It sells notebooks, cell phones, digital cameras with 
top quality all over the world. The activity is end of 30, June, you will get 
gifts as long as you registered on it before this time. 
 
Hope you won't miss such a good chance!
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Re: [Elecraft] Saving K2 configuration

[Nigel]

Hi John, Mike Markowski AB3AP wrote a neat program back in 2007 which reads
the configuration of the K2, see

http://udel.edu/~mm/ham/elecraft/

It takes a few steps to get it installed as it run under java, so follow the
instructions carefully.If you are running under windows the steps to
copy the "rxtxSerial.dll" and "RXTXcomm.jar" files are critical.   Also if
you get a Java update you have to re-copy these files to the updated
version.

With XP I needed to run the "Prams.bat" file to get it to go.I found
that the output data was only displayed on the screen so after emailing
with Mike he suggested that  the contents of Params.bat be changed to

set CLASSPATH=.java Params COM4 >K2params.txt
K2params.txt

This wrote the parameters to a text file which was stored in the same
directory as Params.bat.
Be sure to change the Com port number in the Params.bat file to that which
has the serial connection to the K2 and to read BFO settings you have to
have the frequency counter probe connected.
Hope this helps, 73 Nigel ZL2DF

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[Elecraft] [K2] KAT2 and SWR calibration

[Chip Stratton]

I have a recently obtained K2 with KAT2 module that I am trying to get up to
speed. I'll have more questions and data later, but to start with I have a
question about calibrating the SWR readings.

After going through the procedures in the manual, I find that the KAT2 under
reads SWR. When the load is 50 ohms resistive, it shows 1:1. When SWR is
higher, e.g. an almost purely resistive 7:1  (according to a Rig Expert
AA-230) the KAT2 reads 4.5:1

I've calibrated forward power with a DL1 dummy load. Is there any problem
adjusting R2 such that SWR on the KAT2 corresponds more closely to what the
AA-230 reads?

Chip
AE5KA
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Re: [Elecraft] [K2] KAT2 and SWR calibration

[Don Wilhelm]

Chip,

I have found many KAT2s that underreport the SWR.  There is no harm in 
setting the REFL pot to maximum if that is what it takes.  The KAT2 is 
not a precision wattmeter when it comes to SWR - the reflected power 
detected allows it to tune for an SWR minimum, no matter what that value 
may be - so the tuner function is not hurt even though the SWR reported 
is less than actual.

73,
Don W3FPR

On 8/15/2011 10:40 PM, Chip Stratton wrote:
> I have a recently obtained K2 with KAT2 module that I am trying to get up to
> speed. I'll have more questions and data later, but to start with I have a
> question about calibrating the SWR readings.
>
> After going through the procedures in the manual, I find that the KAT2 under
> reads SWR. When the load is 50 ohms resistive, it shows 1:1. When SWR is
> higher, e.g. an almost purely resistive 7:1  (according to a Rig Expert
> AA-230) the KAT2 reads 4.5:1
>
> I've calibrated forward power with a DL1 dummy load. Is there any problem
> adjusting R2 such that SWR on the KAT2 corresponds more closely to what the
> AA-230 reads?
>
> Chip
> AE5KA
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Re: [Elecraft] KPA500 Info Button

[Jack Brindle]

The use of the INFO button is described in the KPA500 manual. It is used in 
clearing and displaying faults without returning the KPA500 to operate mode.

Jack Brindle, W6FB


On Aug 15, 2011, at 4:14 PM, Bill wrote:

> I have seen mention of the AUX button being for future use but have not seen 
> anything that describes the function of the "INFO" button on the KPA500.
> Is that also for some future use?
> 73,
> Bill - K6WLM
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[Elecraft] KAT3 in 6m

[Johnny Siu]

Hello Group,
 
I found something interesting.  As some of you may be aware the pin 1 wire to 
ANT1 is shorter than pin 2 wire to the ANT 2.  All the way through, I connect 
my 6m hamstick to ANT2 and 20m hamstick to ANT 1.
 
Last evening, I did a swap with 6m hamstick on ANT 1(the one with shorter pin 1 
wire).  I got 92w out which is more than the usual 82w.  In other words, the 
length of the wiring from the pin to ANT socket does matter.  In my case, I 
got higher RF output when connecting my 6m ant to ANT 1.
 
There is no adverse effect to 20m hamstick which is connected to ANT 2. I just 
share my experience with other elecrafters with low RF output in 6m.

TNX & 73,


Johnny VR2XMC
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[Elecraft] K3 Kit Assembly Manual error

[Dennis Moore]

I searched the archive and didn't see this listed. I don't have a K3, 
but am interested in the radio so was looking at the assembly steps.

Page 22 of the K3 Kit Assembly Manual. Note on the left side of Figure 24.
Sentence reads "Also, on some boards C6 and C6 may not be present.

What should it read?

Dennis NJ6G
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