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40 MHz ISM Band WSPR (40.662 MHz USB)



40mhz Ringo

Ringo Feed

Mount

SWR (K6DGQ)

Screen View



The ISM radio bands are reserved internationally for industrial, scientific and medical (ISM) purposes... wiki


WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions... WSPR








To view my 40 MHz ISM Band WSPR spots please visit Cali VHF UHF

The Cali VHF UHF Page

Cali VHF UHF