On Mon, 04 Jan 2010 09:48:06 +0100, Tony <[email protected]> wrote: > All, > > Recent path simulation tests indicate that Nino Porcino's PSK63F offers > better performance over PSK31 and PSK63 in a couple of areas. The most > significant improvement is it's ability to endure Doppler spread found on > paths that cross the polar ionosphere. Both PSK31 and PSK63 fail > miserably > in this area; see high-lat test samples below. > > Path Simulation: High Latitude (Moderate) Path Delay: 3ms, Doppler spread > 10Hz > Pangram Text: Quick Brown Fox > > PSK63F -- the quick brown fox jumps over the lazy dog > PSK63 -- mev roe tt#dtorl|f- bn ô mp e o ihe Fzy dg > PSK31 -- nls oSer Òe naAeta qlipM h nV o T rn agâ o > RTTY -- TH QACKH492, FOJUMP OR THTLAZY G >
That is realy nice path test. Can you try few other modes, some more wide like ALE and Q15X25 ? We experimenting a lot with PSK250/500, with or without FEC and your path sim. explains us a lot. Experiments are on 80m band with NVIS antennas and 20-100Km distance. 73! Darko 9A3LI
