Riverside County Sheriff's Department

Adam = Colorado River
Baker = Cabazon
B-C = Smith Correctional Facility Transport
Bike = Bicycle Patrol
Calimesa = Calimesa PD
Canyon = Canyon Lake PD
CDF = Fire Prevention Officers (Cal-Fire)
Charles = Indio (county)
David = Hemet (county)
E-C = Electronic Confinement Monitoring Unit
Edward = Jurupa Valley
E-S = Emergency Services Team
Frank = Lake Elsinore (county)
Gang = Gang Task Force
George = Norco PD
H-D = Hazardous Device Team
I-C = Indio Jail Transport
I-D = Forensic Services
Ida = San Jacinto PD
John = Indian Wells PD
L-A = La Quinta PD
Lake = Lake Patrol
Lincoln = Lake Elsinore PD
Menifee = Menifee PD
Motor = Traffic Enforcement
Moreno = Moreno Valley PD
Ocean = Palm Desert (county)
Paul = Special Details (DUI checkpoints, truancy sweeps, etc.)
P-C = Perris (county)
Perris = Perris PD
Posse = Horseback Unit
R-C = RPDC Transport
River = River Patrol
Robert = Special Investigations Bureau
Safe = Sexual Assault Felony Enforcement Team
Sam = Rancho Mirage PD
SET = Special Enforcement Team
Southwest = Southwest
Star 9 = Aviation Unit
Temecula = Temecula PD
Tom = Palm Desert PD
West = Court Services West
Wildomar = Wildomar PD
X-Ray = Code Enforcement
Young = Coachella PD
Zebra = Riverside Auto Theft Interdiction Detail

Most patrol unit callsigns for RSO follow this format:
Watch + Designator + Beat.

For example: "3-Frank-74" would be third watch, located in the Elsinore (county) area and in the 74 beat.

Riverside Police Department

Adam = Patrol (Graveyard)
Baker = Patrol (Daytime)
Charles = Patrol (Swing Shift)
Air-1 = Aviation Unit
Bike = Bicycle Unit
David = Detective
George = Gang Unit
Ida = ID Tech
John = Galleria at Tyler Unit
K-9 = K-9 Unit
Lincoln - Lieutenants
Metro = SWAT
Motor = Motorcycle Unit
Paul = Problem Oriented Policing
Sam = Sergeants
Traffic = Accident Investigator
Victor = Volunteer
Zebra = School Resource Officer

Typical patrol callsigns for Riverside PD follow this format:
Designator + Area + Unit number.

For example, "Charles 2-34" would be a regular patrol unit in area 2.

Murrieta Police Department

Adam, Boy, Charles, David, Edward = Regular Patrol
Frank = Roving Citywide Patrol
Ida = Detectives
John = School Resource Officers
King = K-9 Officers
Motor = Motor Units
Ocean = Code Enforcement
Park 1 = City Park Patrol
Paul = Community Resource Officers
Sam = Supervisors
Tom = Traffic Enforcement
Victor = Volunteer

Typical patrol callsigns for Murrieta PD follow this format:
Unit number + Designator.