Function Tags
From The RadioReference Wiki
Aircraft - For aircraft and air traffic control operations most typically in the 118-136 and 225-400 MHz Bands in AM Mode
Business - For most business related entities not covered by other tags.
Emergency Ops - For Emergency Operation Center (EOC) Operations
EMS Dispatch - For EMS Dispatch Assignments
EMS-Tac - For EMS On Scene Communications, Tactical Operations, and Secondary Channels
EMS-Talk - For EMS Talkaround and Car-to-Car operations
Federal - For Federal Government Operations
Fire Dispatch - For Fire Dispatch Operations, and in the case of shared Fire/EMS operations
Fire-Tac - For Fireground, Tactical, and on scene communications
Fire-Talk - For fire department talkaround and car-to-car operations
Ham - any amateur radio assignment
Hospital - Most typically to be used for EMS to Hospital communications and patient reports.
Interop - Interoperability Communications and cross agency communications
Military - All Military related operations. Range Control, Air-to-Air Combat etc
Multi-Dispatch - For shared law enforcement and fire/EMS dispatch operations
Multi-Tac - For shared law enforcement and fire/EMS tactical and on-scene communications
Multi-Talk - For shared law enforcement and fire/EMS tactical talkaround and car-to-car operations
Other - Anything other not covered by the other tags
Police Dispatch - Law enforcement dispatch operations
Police-Tac - Law enforcement tactical, SWAT, on scene, surveillance, and specific sub-agency comms
Police-Talk - Law enforcement talkaround and car-to-car operations
Public Works - Public agency non public safety communications. Trash, Water, Streets, Roads, Sewer, Zoos, Electric
Railroad - All railroad communications
Security - Non law enforcement security operations, companies, guards etc
Schools - School related communications (school bus, football games, operations etc)
Transportation - Bus, Taxi communications