Tony, Thank you for taking the time to perform the tests.
My anecdotal evidence is at odd with these results. So the only way I add value to this discussion is to perform the field test in a more controlled way. Thanks again and best 73s, John --- In digitalradio@yahoogroups.com, Tony <d...@...> wrote: > > John, > > See attached. > > Tony -K2MO > > > > *Minimum SNR (white noise)* > > PSK250 -2db > MFSK32 -8db > PSK250R -7db > > *Simulation: NVIS SNR +3db* > > Mode Copy > > PSK250 62% > MFSK32 100% > PSK250R 61% > > *Simulation: Selective Fading* *SNR -3db* > > PSK250 67% > MFSK16 95% > PSK250R 76% > > *Simulation: CCIR POOR * > > *SNR +3db* > PSK250 89% > MFSK32 99% > PSK250R 82% > > *SNR -3db* > PSK250 65% > MFSK32 97% > PSK250R 61% > > > *SNR -10db* > PSK250 33% > MFSK32 46% > PSK250R 27% >
