Basic Radio Etiquette Rules

Clarity: Your voice should be clear. Speak a little slower than normal.
Simplicity: Keep your message simple enough for intended listeners to understand. You can be too concise though; use affirmative or negative in favor of yes or no.
Brevity: Be precise and to the point; avoid unnecessary banter.
Security: Do not transmit confidential information on a radio unless you know the proper security technology is in place. Remember, frequencies are shared; you do not have exclusive use of any frequency.

You cannot transmit and receive at the same time
Transmission should be used sparingly to preserve power
Monitor a channel for traffic before use
Any emergency transmission takes priority
Plan your message before keying the radio
Wait half a second after keying the radio before speaking
Call format: “Hey you, it’s me.” i.e.: “Chase truck, this is Race car. We blew a tire.”
Check in periodically to ensure proper operation
Do not use profanity over the airwaves
Learn the NATO phonetic alphabet to avoid confusion