Ashhar is well known for his BITX rigs for HF. This is his website. If you are looking for low cost HF rigs, this may be your answer! The circuits are clever, simple and low cost.
See http://www.hfsigs.com/
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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.
When sunspot numbers and solar flux numbers are high, there is always a chance of the F2 MUF reaching 6m or even higher. I remember some ye...
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