Below are most of the codes and acronyms that you'll hear while listening to the feed. Transmissions often start with the sender identifying themselves (such as "Forty-One-Oh-Two", a sheriff deputy), followed by whom they're trying to communicate with ("Central", being Central Dispatch).
Bay County Unit Numbers
X Regular district patrol officer
X3 Second regular district patrol officer
2XX Bay City Detectives/Officers
GX Gang Task Force
2x Essexville public safety-(PD / Fire)
3x Auburn
Ixxx State Police Investigators
30xx State police C.I.D.
31xx State Police - Post 31 Bay City
39xx U.S. Marshall’s - Bay City
4xx Sheriffs department car
41xx Sheriff Deputies patrol area
480 Emergency Services Coordinator
496, 497 & 498 - Sheriff marine patrol
7x Hampton Township
8x Pinconning
9x Delta College
14x Northern Bay Ambulance-Pinconning
15x Bay Regional Medical Center Ambulance
(Where 'x' denotes a number.)
Bay City Police Districts
2 - Columbus north to the river & east to the city limits3 - Downtown
4 - River to the city limits east, Kosciuszko to Columbus
5 - Kosciuszko & South
6 - Central High (DARE Officer)
7 - Midland Street & South
8 - Midland Street, Banks area to northeast city limits
9 - Handy Intermediate (DARE Officer)
Bay County Fire Station Numbers
Bay City:1 - Center Ave.(HQ)
2 - Fremont Ave.
3 - Administration (Although, I have seen an "Engine 3", which I believe is stationed at Center Ave.)
4 - Dean Street
5 - Smith Street (CLOSED)
Bangor Township:
6 - Union Street
7 - Wheeler rd. (HQ) & 911 Backup Center
Other Stations:
8 - Hampton Township 10 - Monitor Township 12 - Auburn/Williams Township
14 - Kawkawlin Township 15 - Pinconning 16 - Fraser Township
17 - Essexville 18 - Portsmouth Township 19 - Beaver Township
20 - Frankenlust Township 21 - Garfield Township 22 - Merritt Township
23 - Mount Forest Township 24 - Gibson Township
Numerical Codes
1 - Homicide
2 - Rape
3 - Enroute to intake
4 - Clear with no report
7 - Unable to locate
(10)7-Out of Service
(10)8-In service
9 - Disregard and Clear
(10)9-Misdemeanor warrant
(10)10-Felony warrant
11 - Prostitution
12 - Drugs
(10)19-Enroute to the station
48 - Uncooperative / Mentally unstable, etc.
49 - Suicide
70 - D.O.A.
90 - Bomb Threat?
339 - Intoxicated persons under a hold due to blood alcohol level
2000 - Arson
Center 40 or 40-Sheriffs Department HQ.
(Law Enforcement Center)
Station1 - Bay City Police HQ.
(Law Enforcement Center)
Signal 1 - Situation under control
Signal 2 - I need another unit, but no rush
Signal 3 - State Police return to post
Signal 4 – Need Help NOW
Signal D - Personal Break for State Police
Code XXXX- Bank Robbery / Holdup
(XXXX = some numbers)
Acronyms
A.I. Accident InvestigatorA.L.S. Advanced Life Support (ALPHA)
A.C.F.A. Attempt to Commit Felonious Assault
A.D.W. Assault with a Deadly Weapon
A.R.M. Alternate Report Method (No written report)
A.R.T.C.C. Air Route Traffic Control Center
A.T.I.S. Automatic Terminal Information Service (Airports)
A.T.L. Attempt To Locate
A.W.O.S. Automated Weather Observation System
B.C.J. Bay County Jail
B.L.S. Basic Life Support (BRAVO)
B.M.C. Bay Regional Medical Center
B.O.L. Be On the Lookout
C.C.W. Carrying Concealed Weapon
C.H.F. Congestive Heart Failure
C.L.N.C. Clearance (Airports)
C.M.I.S. Criminal Management Information System
C.S.C. Criminal Sexual Conduct
D.W.I. Driving While Intoxicated
D.W.L.S. Driving While License Suspended
E.T.O.H. Alcohol
F.A.C. Failed to Appear in Court
F.C.J. Failure to Comply with Judgment
F.T.A. Failure To Appear (in court)
F.T.C. Failure To Comply (with court judgment)
G.O.A. Gone On Arrival
H & R Hit & Run
H.E.A.R.N Hospital Emergency Administrative Radio Network
HEELO Helicopter
HIWAS Hazardous In-flight Weather Advisory Service
HOOK Tow truck
ILS Instrument Landing System
K Killed
KEYHOLDER Has keys to get into the place
L.E.I.N. Law Enforcement Information Network
L.Z. Landing Zone (helicopters)
M.E. Medical Examiner
M.I.P. Minors In Possession of alcohol or Tobacco
M.D.O.P. Malicious Destruction Of Property
M.D.T. Mobile Data Terminal
M.S.O. Marine Safety Officer (Coast Guard)
N.C.I.C. National Crime Information Center
O.D. Officer of the Day (Coast Guard)
O.T.L. Out To Lunch
O.U.I.L. Operating Under the Influence of Liquor (or O.U.)
P & L Prostitution & Loitering
PAT.COMM. PATrol COMMander (Coast Guard)
P.B.T. Portable Breathalyzer Test
P.D.A. Property Damage Accident
P.I. Personal Injury accident
P.I.W. Person(s) In Water
P.O.B. Persons On Board
P.P.O. Personal Protection Order
R.A. Robbery Armed
R.T.D. Return To Department – Lunch/Dinner
RIG Ambulance
RUNNER Someone who is responsible at the place
RVR Runway Visual Range
S.A.R. Search And Rescue
S.O.R. Sex Offender Registration
S.O.S. Secretary Of State
T.X. Telephone call
TRACON Air Traffic Control
U.C. Under Cover
U.D.A.A. Unlawfully Driving Away an Automobile
U.T.L. Unable To Locate
V.C.S.A. Violation of Chemical Substance Act
V.F.R. Visual Flight Rules (Airplanes)
V.P.H.C. Violation of Public Health Code