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replies for a few seconds, they are removed from the
frequency so another talkgroup can use it.
Sharing of the available public service frequencies,
or trunking, allows cities, counties, or other agencies
to accommodate hundreds of users with relatively few
frequencies. Following a conversation on a trunked system
using a scanner is difficult, if not impossible. Because when
there's a short break during the conversation you're
monitoring, it’s possible that the talkgroup will be assigned
to a completely different frequency in the trunked system.
This type of scanning is difficult and frustrating.
TrunkTracker III changes this! Not only does your new
UBC3300XLT scan channels like a conventional scanner, it
actually follows the users of a trunked radio system. Once you
know a talkgroups ID, you won’t miss any of the action.
If you're a new scanner enthusiast, you may want to read the
first part of this manual and use your scanner in conventional
mode before you begin trunk tracking. Understanding
scanning fundamentals and its terminology will make trunk
tracking much easier. A glossary of other commonly used
terms is provided in the back. (Refer to the "Glossary of
Terms" section.) But if you're already an experienced scanner
operator, you may want to skip to Programming and
Receiving Trunked Systems on page 45.
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