For example, when your 1 Watt WSPR signal is spotted with a SNR of -9 dB,
or higher, the propagation is very good.
If you notice that the propagation is very good, consider to reduce your power.
Judge the Propagation with your WSPR signal |
Power Attenuator 1000 Miles per Watt WSPR Propagation Analysis
Working with the Lowest possible power in CW QSO's with QRP and QRPp
Judge the Propagation with your WSPR signal |
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