http://elecraft.85.s1.nabble.com/Elecraft-K3-Presets-Settings-for-JT65B-EME-tp6683735p6688773.html
• Computer-to-radio interface using a serial port to key your PTT line. Linux
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
4.39 is the current production. Some number of changes since 4.33
On Mon, Aug 15, 2011 at 1:25 PM, 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 <
[hidden email]> 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
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>
> 73, Ed - KL7UW, WD2XSH/45
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