Amateur Radio World-Wide - NW7US
hfradio.orgHF radio propagation, operation, equipment, as well as amateur (HAM) radio in general, and also a large collection of SWL, Shortwave and DXing resources.
HF radio propagation, operation, equipment, as well as amateur (HAM) radio in general, and also a large collection of SWL, Shortwave and DXing resources.