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America’s Boating Course3rd Edition
America’s Boating Course3rd Edition
1
Communications AfloatCommunications AfloatChapter 3
Section 12
Presented by the
St Paul Sail and Power Squadron
Presented by the
St Paul Sail and Power Squadron
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Radio vs. TelephoneRadio vs. Telephone
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VHF Radio Cell Phone
Designed for boats Designed for land
Contact Coast Guard & other boats directly
Contact authorities & others one by
one
Transmits at 25 watts
Transmits at <3 watts
DSC capabilities
NOAA weather
20-30 mile coverage
Coverage spotty
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VHF radio is not required - Highly recommendedIf turned on – MUST monitor Channel 16/9
VHF RadioVHF Radio
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VHF Channels Purpose
06 Ship to Ship Safety
09 Alternate Calling Channel – some areas
13 Navigation Safety – ship to ship, locks, bridges
16 Calling, Emergency, Distress
22A Use only when directed by Coast Guard
68, 69, 71, 72, 78 Working Channels for Recreational Boats
WX1, WX2, … WX9 Weather (receive only)
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Digital Selective CallingDigital Selective CallingChannel 70 – digital
Signals other radios
Sends position via GPS
Radio registered to owner
MMSI number part of call
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SOLAS Vessels No Longer Required to Monitor Ch 16 - may miss your voice distress call
USCG Rescue 21 Program• Modernization of USCG Coastal Com
Facilities• Fully Operational by 2011• All 655 USCG Vessels with VHF/DSC• Takes the "Search" out of Search and
Rescue 5
Why Is DSC Important To Me ?
Digital Selective CallingDigital Selective Calling
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DSC Distress CallsDSC Distress Calls
Emergency Only
Press & hold red button
Sounds alarm on DSC radios
Response switches to Channel 16
Can enter type of distress code6
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Radio RangeRadio Range
Line of Sight• 25 NM (typical maximum range)
Actual Range based on:• Height of antenna(s)• Transmitted power
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EquipmentEquipment
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LicensesLicenses
None Required if Operating in U.S. Waters & Boat LOA < 20 Meters (65 Feet)
Required if Travel to Foreign Ports (Canada, Bahamas, Mexico, Etc) or to communicate with Foreign Stations
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If required obtained from the FCC a. Station License for Boat (radio) &b. Restricted Radio Operator's Permit
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Operating ProceduresOperating Procedures
Where Used:• Only on boats• Land operation requires special license
Limited to Essential Communications:• Summon assistance• Safety purposes• Needs of the vessel
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LanguageLanguage
Use appropriate ‘radio’ terms
Skipper responsible for radio
Criminal offense: profane or indecent language
Felony: false distress calls
Don’t allow children to play with radio 11
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Procedure WordsProcedure Words
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Tips: Always end transmission with OVER or OUT - NOT BOTH• Do not use “Roger Wilco” instead of “Wilco”
“Wilco” means “Last transmission received OK and I will comply”
THIS IS Preface to your call sign WAIT I will be back in
a few seconds
ROGER Last transmission received OK SAY AGAIN Say that again
OVERI’m done, you can answer (talk)
CORRECTION
Oops! I really meant to say
OUTI’m done, Goodbye AFFIRMATIV
EYes
WILCO ROGER and I will comply NEGATIVE No
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Emergency CallsEmergency Calls
Mayday
Pan-pan
Securité
Responding to emergency call
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MaydayMayday
For assistance with immediate danger to life and property
Examples: • Life-threatening medical• Person lost overboard• Boat sinking• Boat on fire
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Mayday InfoMayday Info
Location
Nature of distress
Description of boat
Number of persons aboard (injured)
Seaworthiness of boat15
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Mayday CallMayday Call
MAYDAY, MAYDAY, MAYDAYTHIS IS SAILBOAT WINDSONG, WINDSONG, WINDSONG. MAYDAY WINDSONG. OVER
VESSEL CALLING MAYDAY - THIS IS COAST GUARD STATION CORTEZ. WHAT’S YOUR NATURE OF DISTRESS AND YOUR POSITION. OVER.
THIS IS SAILBOAT WINDSONGMY POSITION IS APPROXIMATELY 5 MILES OFF EGMONT KEY - COMPASS BEARING IS 120. SLOWLY SINKING. ESTIMATED FLOAT TIME ABOUT ONE HOUR. FOUR PERSONS ARE ONBOARD, ONE INJURY, FRACTURED LEG. WE ARE A 25 FOOT SAILBOAT, COLOR WHITE WITH BLUE TRIM.WINDSONG: OVER.
SAILBOAT WINDSONG THIS IS STATION CORTEZ. VESSEL 42136 IS ON THE WAY TO YOUR POSITION. COAST GUARD OUT.
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Loud Audio to Follow
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Pan-Pan(pahn-pahn)
Pan-Pan(pahn-pahn)
For assistance when danger does not rise to “MAYDAY” level
Examples:• Out of fuel• Lost in a fog• Unable to control or operate vessel
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Securite(say-cure-it-tay)
Securite(say-cure-it-tay)
For navigation safety messages
Examples:• To report a navigational hazard (sunken
object)• Operational signals (towing a boat)• Weather Alerts
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RespondingResponding
Do not transmit on a channel in use
Maintain silence on channel until clear
If in a position to help - call the vessel in distress - what you can provide
Inform the USCG of your actions
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Routine CallsRoutine Calls
Information or logistics
Listen before talking
Use lowest power
Calling channel
Working channel
Keep calls short20
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Radio CheckRadio Check
To verify radio works
Use calling or working channel
Limit use
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NOAA ChannelsNOAA Channels
Broadcast weather reports
Includes marine specific data
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Channel depends on location
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OffshoreOffshore
High-frequency single sideband• Channels for marine use• Requires license
Satellite• Similar to cell phone
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EPIRBsEPIRBs
Can transmit ID & homing signal
May be water activated
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Primarily for off-shore use
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End Chapter 3End Chapter 3
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