http://elecraft.85.s1.nabble.com/Trouble-with-RTTY-tp1333187p1333312.html
What is the Mark frequency in MMTTY vs. the Mark Frequency
> -----Original Message-----
> From:
[hidden email]
> [mailto:
[hidden email]] On Behalf Of Roger Marrotte
> Sent: Tuesday, October 14, 2008 12:07 PM
> To:
[hidden email]
> Subject: [Elecraft] [K3] Trouble with RTTY
>
>
> I've been fooling around with RTTY for a few days on my K3.
> It was working fine yesterday. I even made a contact and was
> told I was loud and clear, but today I'm having a problem on
> receive. The K3 is in DATA mode and set to FSK D. It was in
> this mode yesterday. I have the DUAL PB turned on. I'm able
> to tune in an S9+ RTTY signal easily and have it decode on
> the K3 screen solidly. I have MMTTY (latest version) running
> on my computer. When the K3 is in DATA mode (whether DUAL PB
> is on or off) the audio from the radio to the computer is
> virtually nonexistent. The audio from the K3 speaker is loud
> and clear. This is while the K3 is decoding the RTTY
> perfectly on it's screen. I have CWT turned on and the LCD
> segments are centered. FC says * 1.35 and is not movable. If
> I switch the K3 to LSB, the audio to the computer is is now
> loud and decodes perfectly in the MMTTY screen. LIN OUT is
> set to 15 and seems to be more than enough for MMTTY. I
> touch nothing else but the MODE. This didn't happen
> yesterday. Yesterday while in FSK D DATA mode, the audio to
> the computer remained loud and clear. It's almost as if
> today the K3 isn't putting out audio when it is in FSK D MODE
> or that the filter is somehow shifted.
>
> Roger, W1EM
>
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