CAD UNIT NUMBERING:

Unit 1...Chief of Police
Unit 2...Deputy Chief of Police
Unit 3...Deputy Chief of Police
Unit 4...Major
Unit 5...Internal Affairs Commander
Unit 6...Public Information Officer
Unit 7...Planning Director
Unit 10..Legal Advisor

Unit 52..Internal Affairs Investigator
Unit 53..Internal Affairs Investigator
Unit 72..Budget Officer
Unit 73..Information Specialist

First Digit = (Appears to be a) Unit DISTRICT indicator:

NOTE:  Main St. and Univ. Ave. are the District dividers for the northern 
section of the city; while anything south of Univ. Ave. is one large 
district.  I forget which sections are numbered 1, 2, and 3; but a short 
session of listening would reveal this quickly as the dispatcher puts out 
the addresses and vehicles call in to respond.

     0 or none = Detective Unit (have 3-digit unit numbers)
     1 = District-1 Patrol
     2 = District-2 Patrol
     3 = District-3 Patrol
     7 = All-City Patrol
     8 = Supervisor Units
     9 = Off-duty officers [9 + ID#]

Second Digit = (Appears to be an indicator of the vehicle's occupant(s)):

     0 = Lieutenant
     1 = ?
     2 = ?
     3 = ?
     4 = ?
     5 = ? (very rarely heard)
     7 = ?
     8 = Seargent
     9 = Two-man units

Third Digit = (unknown)

Fourth Digit = Shift Designator:

     1 = Patrol Night Shift   [Shift-1:  22:00-07:00]
     2 = Patrol Day Shift     [Shift-2:  07:00-17:00]
     3 = Patrol Evening Shift [Shift-3:  15:30-01:30]
     4 = PST Night Shift      [Shift-1:  22:00-07:00]
     5 = PST Day Shift        [Shift-2:  07:00-17:00]
     6 = PST Evening Shift    [Shift-3:  15:30-01:30]
     7 = OASIS/COP Team (old division; now defunct)
     8 = Special Assignment (requires authorization)
     9 = Reserved Commission (similar CAD sequence)
     988 = Traffic Engineer
---

Todd L. Sherman/KB4MHH
afn09444@afn.org
112195@08:20LDT