I bought this EPIRB based upon a recommendation of a friend of mine for his 33' Chriscraft. My Son keeps his boat up the Sacramento Delta and with super dense fog, accidents do happen.
Also, one my Son's future uses of his boat is to start ocean fishing for tuna. That means going for 'warm (65°F)' water past the Farallon Islands (26 nm) outside the Golden Gate and if his boat sinks 75 nm out, the Coast Gard can find him.
This is a really good item to help satisfy the safety of yourself and friends and family.
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ACR/Ocean Signal Anatomy of a Rescue - EPIRBs
ACR Electronics, Inc.
Product Description
How An EPIRB or PLB Rescue Works
The Anatomy of a Rescue - Stage 1
When activated, EPIRBs and PLBs send a unique distress signal on the 406 MHz frequency to the Search and Rescue Satellites.
Each beacon is programmed with and sends a unique digital code called a HEX ID or Unique ID. The HEX ID identifies the type of beacon and, Search and Rescue use the HEX ID to identify the beacon registration information provided by the beacon owner.
This information can include: who the beacon owner is, the type of vessel the beacon is associated with (for EPIRBs), emergency points of contact, float plans, trip plans, and much more.
The Anatomy of a Rescue - Stage 2
After the satellite receives a beacon signal, it relays the signal to ground stations referred to as local user terminals (LUTs).
The LUT processes the data, computes the location of the distress beacon, and transmits a decoded alert message to its associated national Mission Control Center (MCC). This happens almost instantaneously after the initial beacon signal is received.
The Anatomy of a Rescue - Stage 3
The Mission Control Center then geographically sorts the data, and transmits a distress message to the closest appropriate SAR authority and another MCC if the beacon is registered to another country.
The RCC (Rescue Coordination Center) investigates the beacon alert and launches rescue assets to find the parties in distress.
Rescue Overview
- 406 MHz Distress Call Is Activated
- Search and Rescue (SAR) satellites forward distress signal down to earth Ground Stations
- Ground stations forward the distress to the Mission Control Centers (MCC)
- The MCC alerts the closest Rescue Coordination Centers (RCC)
- The RCC call emergency contacts and dispatch the closest SAR teams
- SAR teams arrive on scene and rescue survivors
- Worldwide – Over 48,000+ people rescued since 1982
- United States – 9,753 people rescued since 1982
