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

Sat Aug 13 17:44:10 EDT 2011

 >   From this it appears TX EQ affects the audio passband in DATA., as
 > well as, SSB.

No, from that it appears that you have DATA configured for AFSK A and
not DATA A.  AFSK A shifts the passband to center on the MARK/SPACE
tones as defined by the MARK frequency - i.e., FC = (MARK+SPACE)/2

At 900-3400 Hz your FC is close to 2210 Hz which is FC for MARK=2125.

73,

    ... Joe, W4TV

On 8/13/2011 3:22 PM, Edward R. Cole wrote:
> 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.
>
>
> 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-?
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