Attribute: Communication channel

Acronym: COMCHA

Code: 77

Attribute type: A

Definition:

A channel number assigned to a specific radio frequency, frequencies or frequency band.

Expected input:

enter specific VHF-Channel

References:

INT 1: IM 40;

S-4: 488;

Indication:

Each VHF-channel should be indicated by 2 digits and up to 2 characters (A-Z);

e.g. VHF-channel 7 -> '07' VHF-channel 16 -> '16';

The indication of several VHF-channels is possible;

Format:

[XXXX];[XXXX];...

Remarks:

The attribute 'communication channel' encodes the various VHF-channels used for communication.