Before my 2013 stroke, I did some experiments on 136kHz using modes like QRSS3 and WSPR. As my garden was small, huge antennas and ground systems were just not possible , so I wanted to see what was possible with QRP and small antennas. I got as far as the Netherlands with uW ERPs with QRSS3.
Things might be harder now with increasing noise floors, especially in urban areas which might limit what some can hear.
This was my weak signal spotted by G3WCB at 101km. I think G3WCB is now in Devon.
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