Is there a source of channel models commonly used to develop HF
protocols? I haven't been able to find a good model of (or even
generally-accepted worst-case numbers for) multipath delay spread and
doppler spread on cross-polar paths, for example, or SNR statistics
(noise burst distributions,
Activity Report 14109.5 kHz ALE today
K8HKW K7EK W1PID WA3MEZ W6CM VE5MU
73 Bonnie KQ6XA
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
Hi Ed,
Murray Greenman (ZL1BPU) might have what you're
looking for. Have you tried PathSim?
http://www.qsl.net/ae4jy/pathsim.htm
73 Tony KT2Q
- Original Message -
From: dtmos [EMAIL PROTECTED]
To: digitalradio@yahoogroups.com
Sent: Wednesday, June 06, 2007 3:01 PM
Subject: