Specifications

Contents
Notice to all Users.................................................................................................................. i
Introduction........................................................................................................................... 6
Communications Overview .................................................................................................. 6
Minimum Operating Security Standards (MOSS)................................................................ 7
Purpose......................................................................................................................... 7
Responsibilities ............................................................................................................ 7
Network Controller............................................................................................................... 7
Responsibilities and authority...................................................................................... 7
Chapter 1 .................................................................................................................................8
Callsigns ............................................................................................................................... 8
Use of Callsigns ........................................................................................................... 8
Callsign Structure......................................................................................................... 8
Standard callsigns for VHF and HF Bases................................................................... 8
Standard Callsigns for Individual Users ...................................................................... 9
Standard Callsigns for HF and VHF Mobiles .............................................................. 9
Country and Location/Town Allocation .................................................................... 10
Country Allocation Table (Central Asia & Middle Eastern Region)......................... 10
Location/Town Allocation Table (Central Asia & Middle Eastern Region) ............. 10
Agency Allocation ..................................................................................................... 11
Departmental Representation by Numbers ................................................................ 12
Chapter 2 ............................................................................................................................... 13
VHF Theory........................................................................................................................ 13
Types of Stations........................................................................................................ 13
Spectrum .................................................................................................................... 13
VHF Coverage Guide (Approximate Distances) ....................................................... 13
Simplex Channel ........................................................................................................ 14
Duplex Channel.......................................................................................................... 14
Chapter 3 ............................................................................................................................... 15
Motorola GP380 VHF Handset .......................................................................................... 15
General Care .............................................................................................................. 15
Attaching the Battery ................................................................................................. 15
Removing the Battery ................................................................................................ 15
Radio Specifications................................................................................................... 15
Charging the VHF handset battery............................................................................. 15
Charging times ........................................................................................................... 16
Button Configuration ................................................................................................. 16
Display ....................................................................................................................... 18
Keypad ....................................................................................................................... 18
Using VHF Radios.............................................................................................................. 19
Self ID ........................................................................................................................ 19
Keying the VHF Radio............................................................................................... 19
Backlight. ................................................................................................................... 19
Selecting channels...................................................................................................... 19
Emergency Call.......................................................................................................... 20
Selcall......................................................................................................................... 20
Radio Operators Training Manual Version 27/11/2007 1