A radio amateur and medium-frequency (MF) experimenter in Australia has received a 630 meter (475.62 kHz) transmission from a radio amateur and Part 5 Experimental operator in Texas. While the approximately 8710 miles covered is not a distance record nor a “first” for that part of the spectrum, it does represent the sorts of accomplishments that the Amateur Radio community in the US might come …
American Radio Relay League | Ham Radio Association and Resources
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