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Re: sound card

that result is typical of character sync. loss. If the signal is strong,
may be your bandpass is too narrow, or the signal badly centered in it.
You also may be overloading the input of your sound card. PSK is not
quite tolerant to amplitude distorsion.

Mike West wrote:
> I'm using Nino's program. But I can't get beyond this,
> >Synch received on Wed 29 Nov - 01:41:10 UTC
> Reading block
> End of Block
> Block written to file P3D.TLM
> A  HI, THIS IS AMSAT OSU&        F   &&%&G$   'F FfD  f   d e%
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%o
> ) iEh)*&FF e&'$ -nM-Ld
> d Ff f D  M
> lmnd .L$ ,--nO$ .%D e%
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%mA
> >Block contains also binary datas that are not displayed
> Very strong signal.  What I am after is the rest of the telemetry.  All I did
> for a interface was to run a line out of the phone jack (FT736) to the line in
> on the sound card.
Ghislain RUY
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