Many thanks to SWLing Post reader “J JA” who shares the following video/recording of a Babcock test transmission on 11,815 kHz with his Tecsun PL-310ET:
Babcock Test Transmission on the Tecsun PL-310ET
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Many thanks to SWLing Post reader “J JA” who shares the following video/recording of a Babcock test transmission on 11,815 kHz with his Tecsun PL-310ET: