COBHAM Sailor 6390 Navtex, User Manual

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Glossary
44 98-137261-F
LGPL Lesser General Public License
LORAN LOng RAnge Navigation, a terrestrial radio navigation system which
enables ships and aircraft to determine their position and speed from
low frequency radio signals transmitted by fixed land based radio
beacons.
M
MED Marine Equipment Directive
N
NAVDAT High Speed NAVtex DATa sent out on 500 kHz. Not yet part of
mandatory Navtex reception, but mentioned in ITU-R M.2010 and
ITU-R M.2201.
NMEA National Marine Electronics Association (standard). A combined
electrical and data specification for communication between marine
electronic devices such as echo sounder, sonars, anemometer (wind
speed and direction), gyrocompass, autopilot, GPS receivers and
many other types of instruments. It has been defined by, and is
controlled by, the U.S.-based National Marine Electronics
Association.
S
SAR Search And Rescue
SOLAS Safety of Life at Sea
U
UTC Universal Time, Coordinated. The International Atomic Time (TAI)
with leap seconds added at irregular intervals to compensate for the
Earth’s slowing rotation. Leap seconds are used to allow UTC to
closely track UT1, which is mean solar time at the Royal Observatory,
Greenwich.