Electric Navigation

36 Questions | Total Attempts: 40

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Navigation Quizzes & Trivia

VHF/ SSB RADAR


Questions and Answers
  • 1. 
    How to find RADAR distance?
    • A. 

      1.22 x square root of radar height from water line

    • B. 

      1.22 x square root of radar height from vessel's deck

    • C. 

      1.4 x square root of radar height

  • 2. 
    How do you make your vessel more visible to others on radar?
    • A. 

      Mount / raise a REFLECTOR

    • B. 

      Turn the VISIBILITY knob clockwise

  • 3. 
    Which is a method of using radar to avoid collision
    • A. 

      Check for constant bearing and decreasing range

    • B. 

      Check for variable bearing and increasing range

  • 4. 
    How do you reduce radar clutter from rain?
    • A. 

      FTC

    • B. 

      STC

  • 5. 
    How do you reduce radar clutter from waves?
    • A. 

      STC

    • B. 

      FTC

  • 6. 
    What is the meaning of Pan-Pan?
    • A. 

      Non-life threatening emergency

    • B. 

      Emergency, Peril

    • C. 

      Hazard To notify nearby vessels that you are towing a vessel, or to report any potentially hazardous conditions

  • 7. 
    Why would you call "securité" over Channel 16?
    • A. 

      To notify nearby vessels that you are towing a vessel, or to report any potentially hazardous conditions

    • B. 

      Emergency, Peril

    • C. 

      Minor distress/ non-emergency

  • 8. 
    Who is responsible for collision avoidance?  (Rule 2 of ROTR)
    • A. 

      VTS - Vessel Traffic Service

    • B. 

      Crew

    • C. 

      Captain

    • D. 

      Everyone

  • 9. 
    How long are you required to keep radio logs?
    • A. 

      4 years

    • B. 

      8 years

    • C. 

      Life

  • 10. 
    How long is a MROP good for?  Marine Radio Operator Permit
    • A. 

      4 years

    • B. 

      8 years

    • C. 

      Lifetime

  • 11. 
    When does a station license expire?
    • A. 

      Never

    • B. 

      4 years

    • C. 

      8 years

  • 12. 
    What size recreational boat requires an MROP?
    • A. 

      39 feet and up

    • B. 

      29 feet and up

  • 13. 
    VHF SHIP TO SHIP RANGE SHIP TO SHORE RANGE
    • A. 

      Ship to ship 10-15 miles ship to shore range 10-30 miles

    • B. 

      Ship to ship 30-60 miles ship to shore range 25-50 miles

  • 14. 
    VHF handheld range
    • A. 

      1-5 miles

    • B. 

      10-15 miles

  • 15. 
    What are the VHF weather channels in south florida?
    • A. 

      3 & 4

    • B. 

      16 and 22A

  • 16. 
    What VHF station is used for contacting bridges in S. Florida?
    • A. 

      9

    • B. 

      3 & 4

    • C. 

      16

  • 17. 
    What is the current 'data protocol' that allows all your nav devices to communicate between eachother? (October 2011) (GPS, radar, depth sounder, etc) 
    • A. 

      NMEA0183

    • B. 

      NMEA2000

  • 18. 
    2000 khz =  ___ mhz ?
    • A. 

      2 mhz

    • B. 

      10 mhz

    • C. 

      4000 mhz

    • D. 

      20 mhz

  • 19. 
    What is the DSC channel on VHF? DSC : Digital Selective Calling
    • A. 

      Channel 70

    • B. 

      Channel 16

  • 20. 
    What channel will the coast guard ask you to switch to after you call them?
    • A. 

      22A

    • B. 

      40

    • C. 

      70

  • 21. 
    What is your FIRST LINE of communication on a vessel? 
    • A. 

      Folgers can + copper wire

    • B. 

      VHF

    • C. 

      SSB

  • 22. 
    Reliable range of SSB?
    • A. 

      50-150 miles

    • B. 

      50-1,500 miles

    • C. 

      500 miles

  • 23. 
    When does SSB travel a greater distance?
    • A. 

      Day

    • B. 

      Night

  • 24. 
    Bridge to bridge communication uses
    • A. 

      Low power

    • B. 

      High power

    • C. 

      EXTREEEMMMEE POWWWERRRR

  • 25. 
     What is a bridge-to-bridge station?
    • A. 

      A VHF radio station located on a ship’s navigational bridge or main control station that is used only for navigational communications.

    • B. 

      An internal communications system linking the wheel house with the ship’s primary radio operating position and other integral ship control points.

    • C. 

      An inland waterways and coastal radio station serving ship stations operating within the United States.

    • D. 

      A portable ship station necessary to eliminate frequent application to operate a ship station on board different vessels.