R Ed, There should not be any Doppler problems as Op only has a single tone and is not trying to determine frequency shift, more likely to be loss of data past the 50/55% ? Its not the decode level t
Hi Graham I am far from anti, would just like to see some proof with my own eyes, with an hour between mode changes propagation can of course be totally different. From my example below within 1 minu
Interesting post in the yahoo group May be a long haul OP2 test would give a useful comparison , other than ground wave , I have not seen , the longer OP16 produce reliable decodes on 500 , OP8 may b