Radio Operator, Intermediate Speed (740) Enlisted Personnel

Installs and operates tactical field radio transmitting and receiving equipment; sends and receives messages by International Morse Code (CW, ICW, or tone) signals and by light signals. Normally operates in divisional, brigade, and equivalent radio nets.
Receives CW, ICW, or tone signals and prints pencil copy at a minimum speed of 18 five-letter random code groups per minute without error for a minimum period of 3 consecutive minutes out of 5.
Transmits CW, ICW, or tone signals, using hand key, at a minimum of 18 five-letter random code groups per minute without error for a minimum period of 2 consecutive minutes out of 3.
Handles, without error, a minimum of 18 plaindress normal form messages (averaging 10 five-letter random code groups of text) per hour in a field radio net of two or more stations through natural interference.
Receives and transmits messages by light signals at a minimum speed of 5 words per minute.
Maintains records pertaining to the handling of messages.
Performs first echelon maintenance by keeping equipment clean, inspecting cords, plugs, antenna mast, receiver, transmitter and calibration charts, and making minor repairs or adjustments such as changing tubes, adjusting frequencies, and adjusting key, using simple hand tools.
Must possess a working knowledge of Combined Radiotelephone, Radiotelegraph and Authentication Procedures. May be required to encipher and decipher messages using Converter M-209.

Suitable Substitutions