Motorola APX 6000 User Manual page 193

Talkaround Bypass a repeater and talk
directly to another unit for easy
local unit-to-unit
communications.
Talkgroup An organization or group of
radio users who communicate
with each other using the same
communication path.
TMS Text Messaging Service
Trunking The automatic sharing of
communications paths between
a large number of users (see
Conventional).
Trunking Priority A scan list that includes
Monitor Scan List talkgroups that are all from the
same trunking system.
USK Unique Shadow Key.
UTC Coordinated Universal Time.
The international time standard
(formerly Greenwich Mean
Time, or GMT). Zero hours
UTC is midnight in Greenwich,
England, which is located at 0
degrees longitude. Everything
east of Greenwich (up to 180
degrees) is later in time;
everything west is earlier.
There are 42 time authorities
around the world that are
constantly synchronizing with
each other. Abbreviated as
UTC (English backronym =
Universal Time, Coordinated), it
is also known as Zulu (Z) Time.
Zone A grouping of channels.
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