ROC Glossary Flashcards
AIS
Automatic Identification System
alarm
In radiotelephone, the signal transmitted to alert Stations that a Distress call and message are to follow.
All Stations
Used to alert all Radio Stations that a message is to follow.
band
A group of radio frequencies designated to a particular radio service.
call
The method used to establish contact with one or more Stations
call sign
A vessel identifier issued with the station licence by Industry Canada
CCG
Canadian Coast Guard
CCGA, RCM SAR
Royal Canadian Marine Search and Rescue, formerly Canadian Coast Guard Auxiliary
CCGR
Canadian Coast Guard Radio
CG
Coast Guard
CPS
Canadian Power and Sail Squadrons
certificate
document showing proof of certification
channel
a radio frequency that has been designated for a particular purpose
Class A
a DSC specification standard that meets all IMO MF/VHF requirements for compulsorily fitted vessels over 300 GRT
Class B
a DSC specification standard that meets IMO MF/VHF requirements for non-pleasure craft not required to have Class A equipment
Class C
defunct DSC specification
Class D
a DSC specification standard that meets the minimum requirements VHF-DSC on non-pleasure craft not required to carry Class A or B. Not all carry IMO approval.
coast station
a shore based radio station operated by Coast Guard, RCC, etc.
communication
the means of exchanging messages
compulsory
required by law
control
to command or direct communications, effected by the Controlling Station
COSPAS-SARSAT
an orbiting satellite system that detects EPIRB distress signals
dinghy
a small auxiliary vessel carried or towed by the main vessel
direction finder
a type of electronic equipment used to obtain bearings from radio signals
Distress communication
the type of communication used when a station is in grave and imminent danger and requires immediate assistance the distress traffic that follows the distress signal
DSC
Digital Select Calling
Duplex
use of two different frequencies for transmitting and receiving
EPIRB
emergency position indicating radio beacon
FRS
Family radio service very short range radios less than 2 km
GMDSS
global maritime distress and safety system
GMRS
General Mobile Radio Service
GPS
Global Positioning System using satellites to determine position
Greenwich Mean Time
The Coordinated Universal Time (UTC) normally used in all radio telecommunications. The letter Z is an accepted abbreviation for UTC
GRS
General Radio Service, commonly known as Citizen’s Band radio
GRT
Gross Registered Tons
HF
High Frequency radio from 3MHz to 30 MHz
IMO
International Maritime Organization
intership
The communications link between two ship stations
INMARSAT
International Maritime Satellite Organization
ITU
International Telecommunications Union. The international organization established to provide standardized communication procedures and practices, frequency allocations and radio regulations
kHz
kilohertz (1000 Hertz)
licence
A document that all Radio Stations in Canada must attain specifies the call sign assigned to the station, the assigned frequencies, type of radio equipment authorized and any special conditions under which the station should be operated
LORAN
the now decommissioned long range communication system
Maritime mobile service
The radio telecommunications service used by all vessels internationally
Mayday
The signal used to signify a distressed situation is in effect
Mayday relay
The signal used by station to relay distress call and message from the station in distress
MF
Medium frequency 300 kHz to 3000 kHz
MF – DSC
Medium frequency digital selective calling
MHz
Megahertz 1000 kHz
MMSI
Maritime mobile service identity
Navtex receiver
A radio receiver operating on 518 KHz designed to receive marine safety information, navigation and weather warnings, and SAR alerts
Microphone
The apparatus affixed to the radio which converts sound waves to electrical impulses
nm
Nautical mile
NOAA
National oceanic and atmospheric administration
Pan Pan
The signal used to signify an urgency situation and that the station is about to transmit a message concerning the safety of a vessel aircraft or vehicle or the safety of a person
Phonetic alphabet
The international method of words spelling to be used when communications may be difficult this method should be used when communicating the station’s name
Position
The location of the vessel with reference to land positions aids to navigation etc.
Priority
The order in which radio communications may proceed
Procedures
The order and precise method of conducting radio communications according to ITU regulations
Profane language
Language which is offensive and blasphemous
Radar
A device for finding range and direction by ultrahigh frequency by point to point radio waves which reflect back to their source and reveal the position and nature of the objects sought
Radio operator
The person certified and authorized to transmit and receive radio communication of a licensed station
Radio silence
While a distress situation is in progress all stations must maintain radio silence unless they are involved in distress traffic as mandated on 2182 kHz
Radio telephone
A type of electronic equipment that receives and transmits the waves involved in radio voice communications
RCC
Rescue Coordination Centre
ROC (M)
Radio Operators Certificate (Marine)
RSS
Radio Standards Specification
SAR
Search and Rescue
Safety Communications
The transmission of messages dealing with hazards to navigation and meteorological information
SART
Search and Rescue Transponder
SC-101
a US specification standard for DSC
sea area
An area within which radio contact with a shore station is possible
Securite
The signal used to indicate that a safety message is to follow
Seelonce
The international word for Silence
Shift
Used to indicate a change to another VHF channel
Ship to shore
The communication link between a ship station and a shore station
Ship station
A licensed mobile station
Signal
The transmission of a designated international word that alerts stations that a specific call and message are to follow as to pertains to radio procedure
SSB
Single Side Band
Simplex
Use of a single frequency for both transmitting and receiving
SOLAS
International convention for safety of life at sea
Spectrum Management
The industry Canada department responsible for regulating and licensing radio frequencies
Station license
A license issued by industry Canada to vessels not exempt
Summary conviction
When found guilty by a court of law under the summary convictions act
Superfluous communications
Excessive and/or unnecessary communications
Switch to
A request to change to a specific channel
Switch and answer
A request to change to a specific channel and respond to the call
Traffic
Communications between stations
Transceiver
A radio receiver and transmission are transmitter combined into a single unit
Transmit switch
The device attached to the microphone that when depressed allows the operator to transmit radio waves
Transponder
A radio transceiver that automatically responds to a radar signal
Urgency communications
The traffic that follows the urgency signal Pan Pan
VHF
Very high frequency 30 megahertz to 300 MHz
VHF-DSC
Very high-frequency digital selective calling
voluntary
optional
VTS
Vessel Traffic System
WWNWS
World Wide Navigational Warning System
transmit
The issuance of radio waves used in communications
ETA
Estimated Time of Arrival
frequency
The number of Hertzian waves per second of an alternating current: radio frequency or channel used for communication.
