Radio officer was the radio opperator on board a ship. His job was to send and receive radio telegrams, telephone calls and telex using radio telegraphy, radio telephony, radio telex (SITOR) and satelite communications. The R/O should also keep listening watch on the international distress and safety frequencies (500 kHz telegraphy and 2182 kHz telephony).
Opdateret d. 26-12-98