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The standard "NATO" phonetic alphabet (actually the International Radio-Telephony Spelling Alphabet) is: Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu.

The most common method of working for radiotelephones is half-duplex, operation, which allows one person to talk and the other to listen alternately. If a single frequency is used, both parties take turns to transmit on it, known as simplex.

Remember the 4 W's of ATC Who you're calling: Clearly state the name of the facility you're calling. Who you are: State your full aircraft identification as filed in the flight plan. Where you are: State your position. What you want: State your request.

Essential Guide to Two-Way Radio Communication Lingo 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.

Follow these easy steps to make a call. First, listen to ensure the channel is clear for you. Press the PTT (Push-To-Talk) button. After 2 seconds: Say "recipient's call sign" twice. followed by "THIS IS" and "your call sign". Once the person replies, convey your message.

Voice procedure is a set of rules designed to provide SECURITY, ACCURACY and DISCIPLINE when speaking on the radio. The necessity for clear speech on two-way radio cannot be over emphasised. Therefore it is important that the correct RSVP system.

Here are some of the most common codes standardized by APCO: 10-1: Bad reception/Signal weak. 10-9: Say again, or repeat, please. 10-20: Advise to Location. 10-36: Current time. 10-69: Message received. 10-77: Estimated time of arrival.