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121.5MHz- The homing frequency transmitted by EPIRBs & PLBs
406MHz - The distress signal frequency transmitted by EPIRBs
ABYC - American Boat and Yacht Council -trade organization
AFRCC - Air Force Rescue Coordination Center
AIS - Automatic Identification System -sends ship ID over VHF + info from GPS
AIS 1 - 161.975 MHz (Channel 87B)
AIS 2 - 162.025 MHz (Channel 88B)
ALR - Alarm
AM - Amplitude Modulation -radio transmission format
AMI - American Maritime Industries
AMSL - Above Mean Sea level
AMTOR - AMateur Teleprinting Over Radio -older data transmission standard
AMVER - Automated Merchant VEssel Reporting system
ANSI - American National Standards Institute
ARPA - Automatic Radar Plotting Aid
ARQ - Automatic Repeat reQuest (Modem data confirmation)
ATN - Aids To Navigation
AWA - Anchor Watch Alarm
Biedou - Chinese version of GPS
BIIT - Built-In Integrity Tests
BS - Base Station
CB - Citizens Band -low cost AM radio popular in 1970s can be used by everyone
CDMA - Code Division Multiple Access -cell phone standard
CO - Carbon Monoxide
COG - Course Over Ground (also called Track)
COLREGS - COLlision REGulationS -International Regulations for Preventing Collisions at Sea
COSPAS - Space System for Search of Vessels in Distress -a Russian acronym
CPA - Closest Point of Approach between vessels (predicted by RADAR or AIS)
CSTDMA - Carrier Sense Time Division Multiple Access
DASS - Distress Alerting Satellite System
DCPA - Distance at Closest Point of Approach
DGNSS - Differential Global Navigation Satellite System
DGPS - Differential GPS - GPS with error correction from land sites
DSC - Digital Selective Calling -how VHF radios send distress or other calls
DSM - Digital Sounder Module -interprets signals for sounders or fishfinders
EBL - Electronic Bearing line -bearing to a target on an electronic display
ECDIS - Electronic Chart Display and Information System
ECS - Electronic Chart System
EIEIO - What you sing after "Old MacDonald had a farm"
EMC - ElectroMagnetic Compatibility
EPA - Environmental Protection Agency
EPIRB - Emergency Position Indicating Radio Beacon -off shore safety equipment
ETA - Estimated Time of Arrival -time to next (also ETE)
ETE - Estimated Time En route -time to next (also ETA)
FCC - Federal Communications Commission -the guys who make the rules
FM - Frequency Modulation -radio transmission format
FRP - Fiberglass Reinforced Polyester -what "fiberglass" boats are made of
FRS - Family Radio Service -small handheld version of GMRS type unit
FSK - Frequency Shift Keyed modulation -data transmission format
Galileo - Not the person, but European version of GPS
GDOP - Geometrical Dilution Of Precision - GPS accuracy
GEOSAR - Geostationary Earth Orbiting Search And Rescue (satellites)
GHz - GigaHertz (1000 MHz or a frequency of 1,000,000,000 cycles per second)
GLONASS - Russian version of GPS
GMDSS - Global Maritime Distress & Safety System -receives signal from EPIRB
GMRS - General Mobile Radio Service -the modern day CB radio
GNSS - Global Navigation Satellite System (GPS, GLONASS, Galileo, etc.)
GOES - Geostationary Operational Environmental Satellite
GPIRB - Emergency Position Indicating Radio Beacon with built in GPS
GPRS - General Packet Radio Service -data transmission over cell phone network
GPS - Global Positioning System -satellite based location and tracking system
GSM - Global System for Mobile communications -cell phone standard
HF - High Frequency (3-30 MHz)
HIN - Hull Identification Number -your boat has one
HMS - Her / His Majesty's Ship -designation for ships from the UK
IALA - International Assoc. of marine aids to navigation and Lighthouse Authorities
ID - Inside Dimension or Diameter
IDEN - Integrated Digital Enhanced Network -cell phone standard
IEC - International Electrotechnical Commission
IMO - International Maritime Organization
INMARSAT- International Maritime satellite Organization
I/O - Inboard/Outboard -engine inboard, drive unit outboard
iOS - iPhone Operating System -also used for other Apple portable devices
IP - Internet Protocol -Numbered address of a device on a network or the internet
ITU - International Telecommunications Union
kHz - kiloHertz (1000 Hertz or a frequency of 1000 cycles per second)
LCD - Liquid Crystal Display -technology for information display on a flat panel
LED - Light Emitting Diode -solid state (no filament) light producing device
LEOSAR - Low Earth Orbiting Search And Rescue (satellite)
LMR - Land Mobile Radio, 380.0-399.9 MHz for land based use
LORAN - LOng-Range radio Aid to Navigation -locates position & course
LR - Long Range
LUT - Local User Terminal
MCC - Mission Control Center
MEO - Medium Earth Orbiting (satellite)
MEOSAR - Medium Earth Orbiting Search And Rescue (satellite)
MF - Medium Frequency band (300-3000 kHz)
MFD - Multi Function Display -displays info from many devices on a single screen
MFI - Multi-port Fuel Injection -a type of engine technology
MHz - MegaHertz (1000 kHz or a frequency of 1,000,000 cycles per second)
MMSI - Maritime Mobile Service Identity -the ID number your DSC radio sends
MOB - Man Over Board -hopefully this will never happen to you
MSI - Maritime Safety Information
MSD - Marine sanitation Device -head, holding tank, porta-potty, etc.
MSLD - Maritime Survivor Locating Device (man-overboard beacon)
MUF - Maximum Usable Frequency
NASBLA - National Association of State Boating Law Administrators
NAVTEX - NAVigation radio TelEX -local safety info on 518 or 490MHz (text message)
NBDP - Narrow Band Direct Printing -another term for Radio Telex
NDRS - National Distress and Response System
NIOSH - National Institute for Occupational Safety and Health -sets standards
NM - Nauticle Mile = to 1 minute of Latitude, 1852 meters or about 6076 feet
NMEA - National Marine Electronics Association
NMMA - National Marine Manufacturers Association -trade organization
NOAA - National Oceanic and Atmospheric Administration -weather. charts, etc.
NWS - National Weather Service
NYDEC - N.Y. Department of Environmental Conservation
OD - Outside Dimension or Diameter
OK - Old Kinderhook -Pres. Martin Van Buren's nickname, now sign of approval
PACTOR - Modern combination of PACket radio & amTOR (Radio modem standard)
PFD - Personal Floatation Device -life jackets, throwable rescue aids
PLB - Personal Locator Beacon -a small EPIRB for your life jacket
PWC - Personal Water Craft -Jet Ski, Wave Runner, etc.
Q-Z - Quasi-Zenith, Japanese version of GPS
RACON - Radar Beacon
RADAR - Radio Detection And Ranging -scans above the surface for objects
RAIM - Receiver Autonomous Integrity Monitoring
RCC - Rescue Coordination Center
RDF - Radio Direction Finder -used to get a bearing on a radio navigation beacon
RF - Radio Frequency
RIB - Rigid Inflatable Boat -this inflatable has a fixed hard bottom
RO - Reverse Osmosis -method for making drinking water from lake or sea water
ROT - Rate Of Turn
RTCM - Radio Technical Commission of Maritime Service
RTE - Abbreviation for Route (also RADAR Target Enhancer)
RTTY - Radio TeleTYpewriter -a method of transmitting text
RX - Receive
SAME - Specific Area Message Encoding -lets NOAA radio users hear their area only
SAR - Search And Rescue
SARSAT - Search and Rescue Satellite-Aided Tracking
SART - Search And Rescue Transponder (shows up on RADAR to guide rescuers)
SC101 - North American standard for DSC
SCUBA - Self Contained Underwater Breathing Apparatus -what divers use
SEND - Satellite Emergency Notification Device (can send text messages)
SMS - Short Message Service
SOG - Speed Over Ground
SOLAS - Safety Of Life At Sea -marine standards recommendations
SONAR - SOund Navigation And Ranging -scans below the surface for objects
SOS - Save Our Ship -Distress call in light or radio pulse ( ... - - - … )
SOTDMA - Self-Organizing Time Division Multiple Access
SSB - Single Side Band -extra channels on your VHF radio
SWR - Standing Wave Ratio
TCPA - Time to Closest Point of Approach
TDMA - Time Division Multiple Access (cell phone standard)
TX - Transmit
UGC - User Generated Content (i.e. user entered electronic chart updates)
UHF - Ultra High Frequency (300 MHz -3 GHz)
USB - Upper Side Band (In VHF radio communications)
USB - Universal Serial Bus -computer data communication protocol
USCG - United States Coast Guard
USMCC - United States Mission Control Center
USPS - United States Power Squadron
UTC - Universal Time Coordinated (also UT)
VDL - VHF Date Link
VDR - Voyage Date Recorder
VHF - Very High Frequency (30-300 MHz), 156-163 MHz is used for marine radio
VHF CH16- VHF channel for hailing and voice emergency calls
VHF CH70- VHF DSC data channel (includes a Mayday feature)
VHF CH87- VHF AIS channel #1
VHF CH88- VHF AIS channel #2
VMG - Velicity Made Good - speed toward waypoint
VMRS - Vessel Movement Reporting System
VPIRB - VHF Position Indication Radio Beacon transmits GPS info via DSC
VRM - Variable Range Marker -RADAR display rings that measure distance
VTS - Vessel Traffic Service - Traffic control in busy or large harbors
WAAS - Wide Area Augmentation System -GPS with error correction from land sites
WGS84 - World Geodetic System (chart standard) + the year of the standard
Wi-Fi - Wireless Fidelity -high speed wireless data connection
WWV - Call sign for national atomic clock broadcast on 2.5, 5, 10, 15 & 20 MHz
XTE - Cross Track Error (also XTK) -distance off course
XTK - Cross Track Error (also XTE) -distance off course
Squadron Alphabet Soup
AC-Active Member WC-Woman's Certificate
FM-Family Member JF-Junior Family Member
Cdr-Commander Lt/C-Lieutenant Commander
Lt-Lieutenant 1st/Lt-First Lieutenant
D/C-District Cdr D/Lt/C-District Lt Cdr
C/C-Chief Commander V/C-Vice Commander
R/C-Rear Commander Stf/C-Staff Commander
P/-Past(Precedes Ranks) J/-Junior(Precedes P/)
S-Seaman P-Pilot AP-Advanced Pilot N-Navigator
JN-Junior Navigator SN or N-Senior Navigator
BOA-Boat Operators Certificate (designations below)
IN-Inland Navigator
CN-Coastal Navigator
ACN-Advanced Coastal Navigator
ON-Offshore Navigator
2013-04-07
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