The effectiveness of the 20m spaced earth electrode "antenna" (virtually nothing is in the air) continues to amaze me. Last night I copied
PA0O on 500kHz WSPR and this morning I've got 4 reports of my sub-1mW ERP signal from
M0BMU around -19dB S/N at a distance of 69km. This level suggests the (non) antenna is only around 6-8dB down on my best top loaded short vertical used to get reports from
OK2BVG 1232kms away last winter and the ERP is around 200-250uW.
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