Module 2 Study Questions Flashcards
What is the one very important additional requirement whenever VHS-DSC radio is installed replacing a non-DSC radio?
An MMSI number must be obtained from industry Canada and programmed into the VHF-DSC radio
Does the operator of a pleasure craft have to acquire a ROC(M) if the radio is a VHF without DSC and is operated only in Canada?
Yes all persons operated operating a radio using MMS and in Canadian waters must have a license
Are all pleasure craft exempt from having to have a radio station license?
No only if they meet the station license exemption requirements
Under what circumstances is it recommended that a radio log be kept?
It is good practice at all times but particularly with respect to emergency communications
Which government acts are used in the enforcement of radio regulations?
Radio communications act and contraventions act
What are the three types of radio transmissions that are not permitted?
False distress, profane and offensive language and, interference or superfluous transmissions
When should phonetics be used?
When pronouncing isolated letters or groups of letters separately or when communication is difficult
Who assigns radio call signs and when are they assigned?
Industry Canada when a radio station license is issued
When should be 24 hour clock be used?
Whenever time is expressed in the maritime mobile service
How long should you wait before attempting to call again if no response has been received after two calls?
Three minutes
How do you determine which particular radiofrequency should be used?
Referred to the RBR – and radio aids to marine navigation or from information obtained from industry Canada
What are the three priority calls that take precedence over all other radio transmissions?
Distress, urgency and safety
What was one of the shortcomings of the non-DSC VHF communications system?
Inadequate coverage, full-time watch keeping requirements, inaccurate position information
Give two advantages of GMDSS.
Enhanced ship to shore communications, automated distress calling, more accurate position information, more discrete routine calling.
Which VHS-DSC channel is used for the transmission of digital information?
Channel 70, 2187.5 kHz
How far from shore does sea area A1 extend?
Typically 20 nautical miles RAMN says 40
What is meant by the term MMSI?
Maritime mobile service identity number
Is it mandatory to have an MMSI before operating the DHS DSC radio using channel 70?
Yes
How would you obtain a fleet MMSI for use by your squadron?
By application to industry Canada
When may VHF-DSC radios of the SC – 101 specification be installed on compulsorily fitted vessels?
They’re not approved for compulsory fitted vessels, only voluntary (typically used by pleasure craft)
How is a vessel with VHF-DSC radio alerted to an incoming call?
By an audible alert signal
How is the accidental activation of the distress button prevented?
Activation requires two steps - lifting or sliding the red cover to uncover the distress button plus pressing the distress button for five seconds
Why is it important for a vessel to wait for the Coast Guard to acknowledge a DSC distress alert?
Acknowledgment on channel 70 will cancel the DSC distress message transmission
If the VHF-DSC radio does not interface with a GPS, how frequently must position data be input?
Minimum of every four hours
Name two types of electronic safety equipment other than VHF DSC radio or GPS that a pleasure boater should consider for a voyage offshore?
An MF – DSC radio and a 406 MHz EPIRB
