In the main centres of south africa the communications network used by the south african police service saps and disaster management agencies is based on a technology called terrestrial trunked radio tetra.
Trunked radio systems are attractive to authorities and disaster relief teams.
In trunked radio system analog trunked radio is going to be obsolete since digital trunked radio offers better functions and features in terms of voice quality security spectrum efficiency and.
Trunked radio systems are an advanced alternative to conventional systems in which the channel selection is done manually.
Police fire brigades ambulances disaster relief teams public transportation authorities taxi drivers etc.
Trunked radio systems centrally manage a pool of channels and intelligently switch users to whatever channel is open at a given time.
Provincial and local disaster management authorities should a major.
It is a european system.
This is often a difficult concept for scanner enthusiasts to understand as trunking represents a paradigm shift in design of the system.
The phases are research writing dissemination testing and updating.
Recommendation itu r m 2009 radio interface standards for use by public protection and.
Recommendation itu r m 2015 frequency arrangements for public protection and disaster relief radiocommunication systems in uhf bands in accordance with resolution 646 rev wrc 12.
Public protection and disaster relief ppdr applications.
Are typical users of trunked radio systems.
Hence an emergency plan needs to be a living document that is periodically adapted to changing circumstances and that provides a guide to the protocols procedures and division of.
Trunked radio systems are attractive to authorities and disaster relief teams a because of special features like very fast connection setup group calls paging reliable and fast messaging and ad hoc capabilities x b because they are cheap implementations of gsm c because of cheap equipment 17.
Having reliable telecommunication systems in the immediate aftermath of a catastrophic event makes a huge difference in the combined effort by local authorities local fire and police departments and rescue teams to save lives.
Trunked radio systems are one of the most complex types of radio systems.
Imt 2000 3g systems operate at a 1 ghz.
When a disaster strikes one of the most important tools is reliable communication between the various responding agencies.
Emergency and disaster planning involves a coordinated co operative process of preparing to match urgent needs with available resources.