Roger that = “Message received and understood”

Roger so far = Confirming part way through a long message that you’ve understood the message so far

Affirmative = Yes

Negative = No

Come in = Asking another party to acknowledge they can hear you

Go ahead = I am ready for your message

Say again = Repeat all of your last message

Say all before/after = Repeat all before/after a certain phrase or word if you didn’t catch part of the message

Over = Message finished, inviting others to respond if needed

Out = Conversation is finished, no answer is required or expected

Radio check = What’s my signal strength? Can you hear me?

Read you loud and clear = Your transmission signal is good, I can hear you fine

Break, break = Interruption to a transmission to communicate urgently

Emergency, emergency = Distress call, only to be used when there is an imminent danger to life and immediate assistance is required

Stand by = Wait for a short period and I will get back to you

I spell = The next word will be spelled out using the phonetic alphabet

Phonetic Alphabet

All volunteers must learn the following alphabet and use it when reporting license plate letters

and on all other occasions when spelling out something is required.

A – Adam             J – John                                S – Sam

B – Boy                  K – King                                T – Tom

C – Charles        L – Lincoln                         U – Union

D – David             M – Mary                              V – Victor

E – Edward         N – Nora                              W – William

F – Frank              O – Ocean                           X – X-ray

G – George         P – Paul                               Y – Young

H – Henry            Q – Queen                           Z – Zebra

I – Ida                    R – Robert