Comms Flashcards
All inspected vessels are required to carry a radio log?
True
False
True
When using the call sign DEL1247 on the VHF, it should be pronounced _________________________.
“Dango, Echo, Limo 1-2-4-7”
“Delta, Echo, Limo 1-2-4-7”
“Delta, Echo, Lima 1-2-4-7”
“Dango, Eko, Limo 1-2-4-7”
“Delta, Echo, Lima 1-2-4-7”
Channels ______________ are for Bridge to Bridge communication and to acquire information on the safe navigation for that particular vessel.
VHF 13 and 68
VHF 16 and 22
VHF 16 and 68
VHF 13 and 67
VHF 13 and 67
What is the expected range of a VHF radio transmission from a vessel to a shore station?
About 20 miles
50-100 miles
100-150 miles
150-200 miles
About 20 miles
The prudent mariner shall maintain the ships VHF and make sure it is turned on, monitoring VHF 16 and in good working order.
True
False
True
How should the letter “W” be pronounced when spoken on the radio telephone?
DUB A U
WISS KEY
WI NE
WOO LF
WISS KEY
Marine radio equipment can be used to summon ____________________.
Bridges
Locks
Coast Guard
All of the above
All of the above
When sending and receiving messages on the marine radio, confusion over unusual words can be avoided by using the __________.
Delimiter switch
Standard phonetic alphabet
Low power switch
High power switch
Standard phonetic alphabet
_______________ is used, with vertical polarization, meaning that antennas have to be vertical in order to have good reception.
Amplitude modulation (AM)
Frequency modulation (FM)
Digital selective calling (DSC)
Single side band (SSB)
Frequency modulation (FM)
In radiotelephone communications, the prefix PAN-PAN indicates that _______
A ship is threatened by grave and imminent danger and requests immediate assistance
A calling station has an urgent message about the safety of a person
The message following the prefix will be about the safety of navigation
The message following is a meteorological warning
A calling station has an urgent message about the safety of a person
Proper procedure for ending a VHF Voice Distress Message should be concluded by saying “____________” at the end of your message?
“done”
“roger”
“over”
“copy”
“over”
How should the letter “O” be pronounced when spoken on the radiotelephone?
OCK TOW BER
O RI AN
OSS CAH
OA KAM
OSS CAH
All vessels are required to monitor VHF channel ___________
6
13
16
78
16
All vessels are required to monitor what VHF channel when navigating in both international and inland waters?
9
13
16
22
16
“Securitay, Securitay, Securitay”, is a ________________ message which may be heard broadcasted on VHF channel ___________?
Navigation, 06
Urgency, 09
Emergency, 13
Safety, 16
Safety, 16
