Motorola GM360 Specifications download pdf (Page 48)

Chapter 8

Procedures for Calling and Answering

The procedures outlined below are very important for effective communications on

both VHF and HF networks. It is imperative these basic steps are learnt well.

REMEMBER to always identify yourself with your callsign when using the radio

networks.

There is a slight difference between VHF and HF callsign use. If in doubt use the

complete station callsign.

VHF

VHF is line of sight and usually restricted to short distances of between 3km – 100km

(with repeaters). Therefore a radio room in Baghdad could be, “Bravo Foxtrot Base”

(including the word Base on the end of a VHF base station callsign is accepted

practice). Users of handheld VHF radios should always use full callsign i.e., Bravo

Foxtrot Eight Nine Three (BF893). Always pronounce the numbers in a callsign as

single digits. Do not say “eight hundred and ninety three”.

Example:

Bravo Foxtrot Base this is Bravo Foxtrot Eight Niner Three over

As HF transmissions travel many thousands of miles and cross international borders,

it is important to use the full callsign (country indicator included) so anyone listening

in another region and/or country can identify the caller. Remember cross border

operations can occur and therefore the above should be applied to prevent confusion.

Example:

India Bravo Sierra Base this is India Sierra Mobile Four Nine Zero One over

When using VHF or HF communications it is IMPORTANT to remember that

someone somewhere will ALWAYS be listening to your conversation. Be very

careful what is said at all times

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Motorola GM360 Specifications Page 48