美国电视与无线电无线电工作女性协会
American women in radio and television
船岸无线电电传打字机
ship-shore radio teletypewriter
海岸无线电电传打字机
shore radio teletypewriter
无线电电传打字机
RATT
RATT RAdio TeleTypewriter
radioteletype
无线电电传打字机接收机
RTR Radio – Teletype Receiver
RTR Radio C Teletype Receiver
自动无线电电传打印机
automatic teleprinting-over-radio
超越地平线无线电通讯
radio communication beyond the horizon
船无线电传输保全
ship radio transmission security
单载波无线电传输技术
single carrier radio transmission technology
电离层无线电传播
ionospheric radio propagation