Marine Rescue NSW Information

Marine Rescue NSW on the NSW PSN

Marine Rescue NSW (MRNSW) is a volunteer-based emergency service responsible for marine search and rescue, vessel tracking, and radio watch across NSW waters. They transitioned to the NSW PSN (formerly GRN) to improve interoperability and coverage.

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Talkgroup IDs (TGIDs) & Identifiers

Marine Rescue NSW uses a series of dedicated talkgroups on the PSN, typically assigned across regional sectors:

• TGID Range: TGIDs 12526 to 12545+ are assigned to various regional units (such as Hunter Central Coast, Greater Sydney, Illawarra, and Monaro sectors).
• Radio IDs (RIDs): Associated unit radios typically utilize ID ranges such as 2449xxx and 2577xxx.

Specific aliases correspond to regional base operations, tactical coordination channels, and designated training groups.

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Coverage and Sites

• State-Wide Reach: Marine Rescue NSW benefits from the PSN’s extensive coverage, including coastal RFSS repeater sites.
• Reliability: This ensures robust communication for rescue coordination, particularly in remote coastal or offshore environments.

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Operational Use

MRNSW uses the PSN primarily for:

• Incident coordination (e.g., MAYDAY, PAN-PAN responses)
• Inter-agency communication with NSW Police Marine Area Command, Maritime authorities, and other emergency services
• Routine vessel tracking and safety operations

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Complementary Marine Radio Services

• Public Frequencies: In addition to the PSN, MRNSW maintains continuous VHF, HF, and 27 MHz marine radio services for public distress monitoring and vessel log-ons.
• Operator Standards: Standard operating procedures require certified marine radio operators for public-facing coastal network coordination.