Hello Jim,
All your wspr messages were successfully decoded until I switched off.
Statics doesn't seem to affect wspr too much at this level of signal.
I was using a 2x2m one turn loop tuned to 500 kHz and a dedicated 500 kHz
SDR receiver. I/Q conversion to base band is performed by SpectrumLab.
You may notice a change in your reported frequency. I modified the OL
frequency (SpectrumLab) by only one hertz to correct a wrong value, but
infortunately the FFT size still needs to be increased to get a better
resolution (the fft resolution reported by SL is 1,4648 Hz !)
The code of the 137 kHz transceiver is now successfully modified to send a
WSPR beacon, and I plan to do real operation on saterday 17 at the local
radioclub (depends on the good or bad weather though)
2154 38 5 1.8 0.503512 M0BMU IO91 30
2202 37 5 1.7 0.503512 M0BMU IO91 30
2206 38 6 1.8 0.503512 M0BMU IO91 30
2210 35 4 1.8 0.503512 M0BMU IO91 30
2214 33 1 1.8 0.503512 M0BMU IO91 30
2222 33 1 1.8 0.503512 M0BMU IO91 30
2226 35 4 1.9 0.503512 M0BMU IO91 30
2232 31 -1 1.8 0.503512 M0BMU IO91 30
2238 29 -2 1.9 0.503512 M0BMU IO91 30
2246 31 -1 1.8 0.503512 M0BMU IO91 30
2252 32 1 1.9 0.503512 M0BMU IO91 30
2258 31 0 1.8 0.503512 M0BMU IO91 30
2302 35 4 1.9 0.503512 M0BMU IO91 30
2310 30 -1 1.8 0.503512 M0BMU IO91 30
2318 27 -3 1.9 0.503512 M0BMU IO91 30
2324 39 8 1.9 0.503512 M0BMU IO91 30
2328 34 2 1.8 0.503512 M0BMU IO91 30
2332 30 0 1.9 0.503512 M0BMU IO91 30
2336 31 0 1.9 0.503512 M0BMU IO91 30
2342 34 4 1.9 0.503512 M0BMU IO91 30
2348 30 0 1.9 0.503512 M0BMU IO91 30
2352 32 1 1.9 0.503512 M0BMU IO91 30
2358 33 3 2.0 0.503509 M0BMU IO91 30
0004 25 -5 1.9 0.503509 M0BMU IO91 30
0012 37 5 2.0 0.503509 M0BMU IO91 30
0020 32 1 2.0 0.503509 M0BMU IO91 30
0028 39 7 2.1 0.503509 M0BMU IO91 30
0036 38 7 1.5 0.503509 M0BMU IO91 30
0040 33 2 1.5 0.503509 M0BMU IO91 30
73,
Michel, f5wk
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