Mike, Andy Food for thought TX driver via att 120 dB to SDR RX brick wall filter @ 2.5kHz. resulting in: 20:30 136 PA0A Op32 +3 dB 0 km @ 000 19:54 136 PA0A Op8 +4 dB 0 km @ 000 Albert, PA0A Attachme
Op 20-1-2012 21:58, Andy Talbot schreef: That's more like what we'd expect. So... it looks as if there's something in Mike's suggestion about th way the noise is measured is suspect. and we shouldn't
That's more like what we'd expect. So... it looks as if there's something in Mike's suggestion about th way the noise is measured is suspect. and we shouldn't put too much faith into the S/N value sh