https://icomjapan.blogspot.com/ SWL and BCL of AM radio and amateur radio on shortwave or MW, with WEB SDR in Europe by SWL Frank F14368 also amateur radio FØDUW. On this blog you can find the history of many radio receivers for SWL and BCL brands like SONY, YAESU, etc. Thank you. 73

lundi 26 octobre 2026

WEBSDRSWL: Propagation for amateur radio operators or SWL on HF

WEBSDRSWL: Propagation for amateur radio operators or SWL on HF:  INTRODUCTION TO HF PROPAGATION 3 to 29 MHz During a transmission, the transmitter sends HF energy through the antenna. The main energy conc...



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