The ultimate test is saying it works 100% stable ...

Stability of XP USB prolific WSPR N1MM

WSPR discusion on EHAM And still copy WD2XSH/17 @ 0.495890 MHz

Back from Egypt

Just after the weekend some improvement

High solar activity

80M is the best DX band here

Good propagation this weekend?

run your radio as WSPR beacon when not in the shack!