- Original Message -
From: cesco12342000
To: digitalradio@yahoogroups.com
Sent: Friday, June 08, 2007 6:44 AM
Subject: [digitalradio] Most robust digi-mode with 200 to 600 bps ?
Question to the experts:
What is the most robust digi-mode with a 400 to 600 bps raw capacity (or
200
Depending upon your definition of "robust," and, if you are using the
modes on HF, with a wide bandwitch (voice width) ARQ mode, it would seem
to be Pactor 3 which can adjust the speed to meet varying conditions.
Raw speed up to SL6 at 3600 bps which can yield a net user data rate of
2722 bps.
Question to the experts:
What is the most robust digi-mode with a 400 to 600 bps raw capacity (or
200 to 300 bps fec capacity) ?
Is a boosted psk variant the best coice or is mfsk capable of such rates ?
Other options ?
Background:
Seems someone has developed a 200bps voice codec. It's a phone