[aprssig] PSK31 on HF APRS?

Scott Miller scott at opentrac.org
Fri Jul 8 12:35:32 CDT 2005

There's no reason you couldn't use the same BPSK modulation mode for 8-bit 
data.  The PSK31 varicode encoding is actually more complicated.


----- Original Message ----- 
From: "Jim Lux" <jimlux at earthlink.net>
To: <aprssig at lists.tapr.org>
Sent: Friday, July 08, 2005 10:25 AM
Subject: [aprssig] PSK31 on HF APRS?

>I looked into this a while ago.. the problem is that PSK31 is really a 
>keyboard to keyboard, non FEC kind of protocol, and doesn't lend itself to 
>a "packet" kind of communications.  Something like MFSK16 might be a better 
>choice, or one of the many multitone schemes.
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