高频无线电收发机
HFT High Frequency Transceiver
飞机无线电收发两用机
aircraft transmitter-receiver
美国电视与无线电无线电工作女性协会
American women in radio and television
商用无线电广播电台
commercial radio broadcasting station
民用无线电发射设备
civilian radio transmitting devices
低频无线电频段
low frequency radio range