Channel 5 and 35 (paired for Duplex repeaters) are reserved as emergency channels and
should be used only in an emergency. CTCSS and DCS will not operate on channels 5
and 35.
A list of currently authorised channels can be obtained from the ACMA website in Australia
and the MED website in New Zealand. Channel 11 is a calling channel generally used to
call others and channel 40 is the customary road vehicle channel.
Once contact is established on the calling channel, both stations should move to another
unused “SIMPLEX” channel to allow others to use the calling channel. Channels 22 and 23
are for Telemetry and Telecommand use, voice communications are not allowed on these
channels by law. Channel 9 and above are the best choices for general use in Simplex
mode.