An old friend, Ted G4NUA, built a 20m WSPR beacon using a Raspberry Pi. It produces 100mW. He has already had spots from the USA over 5400km. He is about 13km from me. Still not spotted him yet. I am using my indoor loop antenna.
UPDATE 2127z: Overnight, I shall stay on 20m WSPR. At the moment, just a few Germans being copied. Hoping to copy G4NUA tomorrow early.
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