-=> Quoting Dennis Wren to Tom Walker <=-
 > Police Radio Action and your locality has gone to a
 > Motorola Trunking system the UNIDEN or Lookalike RS
 > "Trunk Tracker" is the only way to go.
 DW> Now this is of interest to me as most things in my area did go to a
 DW> trunked system. How do the above scanners handle this? Can they follow
 DW> just one group, the city cops and not the county or other cities. I use
 DW> a Realistic 2004 and can listen to the trunked system but can not
 DW> follow anything as it is hit and miss in what comes next.
The scanners work by aquiring and translating the system code from
the data channel. Once the scanner has aquired the data channel, it
will then start following the talkgroups and you hear both sides
of the conversation. However, these scanners can only track
Motorola trunked logic systems using analog transmissions. If
a trunked system is using digital, you will not hear anything.
Further, you can only scan ONE trunked system at a time. That is,
all talk groups that share the information in the data channel can
be heard, but no other systems in different areas with different
data channels. You also cannot monitor conventional frequencies while
in the trunk tracker mode. It's an "all or nothing" proposition.
I have the Uniden BC 895XLT base-station scanner and it works extremely
well under its limitations. If you want to monitor trunked AND
conventinal systems, or two different trunked systems, you'll need
two or more scanners to listen to everything.
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