[Elecraft] AFSK

[Wes Stewart]

Is MMTTY set to transmit 915 Hz?

Wes  N7WS

--- On Fri, 12/17/10, Larry K1UO <k1uo at uninet.net> wrote:

> From: Larry K1UO <k1uo at uninet.net>
> Subject: [Elecraft] AFSK
> To: elecraft at mailman.qth.net
> Date: Friday, December 17, 2010, 10:51 AM
> 
> I'm unable to transmit an AFSK signal in DATA mode,
> although I can transmit
> via the same LINE IN
> in DATA A mode.  The line output from my SignaLink USB
> soundcard does have
> the audio signal on it and is connected to the Line In mono
> jack on the K3. 
> For MIC SEL in configuration, I have Line In
> selected.  DATA MD is set to
> AFSK A and shows 45 bps.  PITCH is set to
> 915-170.  Using MMTTY software and
> the latest K3 firmware the K3 goes into transmit mode
> (audio signal is
> present on cable feeding K3's Line In) but no
> modulation.  What am I
> missing??
> 
> I should mention this was working as early as 3 weeks ago
> and I have NO idea
> what has changed.    Just reloaded the K3
> firmware and checked all MTTY
> option parameters but all look good and as I
> mentioned..Data A xmits the
> RTTY signals but not AFSK.
> 
> Larry  K1UO
> 
> 
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