무선국

Wireless Station, Wireless Office

무선방위탐지국

Radio Detection Finder Station

무선일지

Radio Log

무선전신 비상자동수신기

Radiotelegraph Auto Alarm

무선전신기

Radio Telegraph, Wireless Telegrahp

무선조종

Wireless Control

무선표시국

Radio Beacon Station

무역풍

Trade Wind

무중당직

Wireless Watcher

무중신호

Fog Signal