Tag: USB

via the ARRL: Radio Technology Designed by Radio Amateur Used in Thailand Cave Rescue

UK radio amateur John Hey, G3TDZ (SK), was the original designer of special low-frequency radio equipment — the HeyPhone — used in the recent cave rescue in Thailand. Al Williams, WD5GNR, reported in Hackaday that the British Cave Rescue Council (BCRC) was asked for its help and equipped the rescuers with HeyPhones. The HeyPhone is “now considered obsolete, but is still […]