Motorola APX 4000 User Manual page 168

Trunking Priority
Monitor Scan List
USK
UTC
Zone
164
English
A scan list that includes
talkgroups that are all from the
same trunking system.
Unique Shadow Key.
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.
A grouping of channels.