St. John Ambulance is a self-funded, charitable organisation that has provided first aid training, medical equipment, and emergency community services across New South Wales for over 140 years.
Headquartered in Macquarie Park, Sydney, the organisation relies on a dedicated network of approximately 2,800 volunteers alongside 150 professionally trained staff.

| Talk Group ID | Description |
|---|---|
| 10350 | Main Operations |
| 10351 | General Communication |
| 10352 | General Communication |
| 10353 | General Communication |
| 10354 | General Communication |
| 10355 | General Communication |
| 10356 | General Communication |
| 10357 | General Communication |
| 10358 | General Communication |
| 10359 | General Communication |
Purpose & Organisation
St John Ambulance operates independently as a volunteer-based organisation focused on first aid training, community care, and event medical services. Operating across New South Wales, St John frequently provides medical coverage at public festivals, sports events, and emergency support roles. Their integration with the NSW Public Safety Network (PSN) allows seamless inter-agency coordination with statutory emergency services when required.
Network Integration & Radio Identifiers (RIDs)
Operating on the Project 25 (P25) digital trunked radio system, St John units utilize specific network parameters:
2391### – Standard St John field units and medical postsDeployment Context
These talkgroups see primary activity during major public gatherings, community events, and planned exercises where volunteer medical personnel coordinate patient care and event safety operations.