OPERATOR REFERENCE GUIDE

Radio 10-Codes

Standard radio codes used by COMRADCOM operators for efficient and professional radio communications.

SIGNAL CODE READABILITY STRENGTH MEANING
595 – Clear9 – Very StrongFull quieting, perfect signal
585 – Clear8 – StrongExcellent signal, slight noise
555 – Clear5 – FairReadable but moderate noise
444 – Readable4 – ModerateSome difficulty with signal
333 – Quite Readable3 – WeakReadable with difficulty

Radio Etiquette

Always listen before transmitting. Keep transmissions brief and to the point. Avoid personal conversations on emergency frequencies.

Phonetics Usage

Use standard phonetic alphabet for clarity, especially when communicating callsigns or critical information during poor signal conditions.