Date post: | 16-Jul-2015 |
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Technology |
Upload: | international-boating-and-water-safety-summit |
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VHF Radio remains the primary means of communication for vessels
throughout the United States.
Benefits to having a VHF Radio on board are:
• Distress calling and safety CH 16• Ship to shore communications• Navigation (vessels to bridges, etc.)• Marine operator to place calls to shore• NOAA Weather Broadcasts
• Mobile Phones• Apps• Saved contacts
• Iridium Satellite phonesRange: Worldwide• Cost: $1500-$2500 plus $1.49 per minute plus $20
per month
• SEND – Satellite Emergency Notification Devices• Uses commercial satellite systems rather than
the COSPAS-SARSAT satellite system.
406 MHz Beacons
406 MHz Beacons
EPIRB PLB
Flotation Floats in an upright position to transmit. Performs best while floating.
Not required to float. Floating versions only float so it can be retrieved if dropped in water. Unit needs to be held out of the water or attachedhigh on a PFD for best transmission.
TransmissionRequirements
Minimum of 48 hours at temperatures down to -4°F (-20°C). Longer in nominal Temperatures .
Minimum of 24 hours at temperatures down to -4°F (-20°C). Longer in nominal Temperatures.
Activation Either manually activated in or out of the bracket OR Automatically activated when out of its bracket and in the water.
Manually activated.
Strobe Light Required to have strobe light. Not required. Some newer versions have flashing LED Strobes.
MountingOptions
Mounted in a bracket (automatic or manual deployment), or carried in aditch bag.
Worn or carried on a person.
Registration Registered to the vessel. Registered to the person.
How The System Works1.406 MHz Distress Call2.Search and Rescue (SAR) satellites forward distress signal to Earth stations3.Ground stations forward the distress call to Mission Control Centers (MCC)4.The MCCs alert the closest Rescue Coordination Center (RCC)5.The RCCs call emergency contacts and dispatch SAR teams6.SAR teams arrive at the scene!
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