Deciphering Trunked Systems - Uniden BCD996XT User Manual

DecipheringTrunkedSystems < UnidenMan4 < TWiki

Deciphering Trunked Systems

Before you program a trunked system
Before you program a trunked system
To the average radio user, the complexity of a trunked system is invisible. Their radio is
programmed up at the radio shop. They can still easily select who they need to communicate
with by selecting a channel on their two-way. They can even directly call other radio users
without tying up a dispatch channel — something they could never do before. As a scanner
user, on the other hand, you need to know the different types of trunking systems in use, what
options are available on each system, and three key pieces of information about any trunking
system before you start any actual programming:
System Type
System Frequencies
IDs of the Talk Groups you want to hear
All of this information is usually available from the online database at RadioReference. The
picture to the right shows a screenshot of a system from the database, with the pertinent
information highlighted.
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System Type
P25 Systems
LTR Systems
Motorola Systems
EDACS Systems
Conventional Systems
Non-scannable Systems
System Voice
System Frequencies
Talk Group IDs (Channels)