The Maximum Usable Frequency (MUF) is a good guide to the highest frequency to use on a given path. This map, although not always correct, is a useful guide.
See https://prop.kc2g.com/ .
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
Buy me (a virtual) cup of coffee
This is NOT at all compulsory, but this would help offset some project costs.
Any donations most gratefully received.
https://ko-fi.com/rogerg3xbm
Any donations most gratefully received.
https://ko-fi.com/rogerg3xbm
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Featured post
10m QRP FT8 (Wednesday)
My gear was turned on at breakfast. With a 12V supply it produces 3.4W so with my diodes in the supply line I think (at most ) my output is...
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