Appendix C: Services Types
NOTE: Not all service types are available in all areas. This list may change from time to time.
Service Type
Description
For civilian air and air traffic control operations.
Aircraft
Most business related entities not covered by other tags.
Business
Jail/prison operations and other corrections activities, including federal prisons.
Corrections
Emergency Ops Emergency Operation Centers and similar emergency management or
disaster related operations.
Ambulance dispatch, including rescue squads.
EMS Dispatch
Ambulance on-scene communications and secondary channels.
EMS‐Tac
Ambulance talk-around, car-to-car and supervisor operations.
EMS‐Talk
All federal government operations (except corrections, traditional law
Federal
enforcement patrol and fire/EMS operations).
Fire Dispatch
Fire dispatch, including combined fire/ambulance dispatch.
Fireground, tactical and on-scene communications, including combined
Fire‐Tac
fire/ambulance operations.
Fire talk-around and car-to-car operations, chiefs, supervisors, etc., including
Fire‐Talk
combined fire/ambulance operations.
Ham
Any amateur radio assignment.
Ambulance-to-Hospital communications and patient reports.
Hospital
Interoperability communications, cross-agency communications, mutual aid, etc.
Interop
Law Dispatch
Law enforcement dispatch.
Law enforcement tactical, SWAT, on-scene, surveillance and specific sub-
Law‐Tac
agency communications.
Law enforcement talk-around, car-to-car and supervisor operations.
Law Talk
Newspapers, television and broadcast radio operations.
Media
Military operations, e.g., range control, air-to-air combat, etc.
Military
Combined law enforcement and fire/ambulance dispatch.
Multi‐Dispatch
Combined law enforcement and fire/ambulance tactical and on-scene
Multi‐Tac
communications.
Combined law enforcement and fire/ambulance tactical talk-around and car-to-
Multi‐Talk
car operations.
Public agency non-public safety communications. This includes government
Public Works
services, such as trash, streets, roads, sewer, zoos, administration,
maintenance, animal control, community initiatives, code compliance, etc.
All common carrier railroad communications.
Railroad
Non-law enforcement security operations, including private security companies,
Security
noncommissioned government agency security, school security, etc.
School-related communications (schools, school buses, football games, etc.).
Schools
Public and private bus, taxi, and public passenger rail communications.
Transportation
Private electric, water, natural gas, phone, cable TV, etc. operations.
Utilities
Miscellaneous channels that do not fall into another service type.
Other
User-defined service types (available when programming using Sentinel or a
Custom 1‐8
registered version of firmware v2 or later.
Available for use to identify team frequencies for racing events.
Race Teams
Available for use to identify officials frequencies for racing events.
Race Officials
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