Used in navigation
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AnswerCrossword Clue
MAPSUsed in navigation.
LORANDevice used in navigation.
PELORUSInstrument used in navigation.
PGUPPC key used in navigation
sextantsan instrument for measuring angular distances used especially in navigation to observe altitudes of celestial bodies (as in ascertaining latitude and longitude)
chronometersAn instrument for measuring time, esp. one designed to keep accurate time in spite of motion or variations in temperature, humidity, and air pressure. Chronometers were first developed for marine navigation, being used in conjunction with astronomical observation to determine longitude
chronometerAn instrument for measuring time, esp. one designed to keep accurate time in spite of motion or variations in temperature, humidity, and air pressure. Chronometers were first developed for marine navigation, being used in conjunction with astronomical observation to determine longitude
astrolabeastronomical instrument for taking the altitude of the sun or stars and for the solution of other problems in astronomy and navigation: used by Greek astronomers from about 200 b.c. and by Arab astronomers from the Middle Ages until superseded by the sext
astrolabesAn instrument formerly used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating latitude, before the development of the sextant. In its basic form (known from classical times), it consists of a disk with the edge marked in degrees and a pivoted pointer
gyroscopesA device consisting of a wheel or disk mounted so that it can spin rapidly about an axis that is itself free to alter in direction. The orientation of the axis is not affected by tilting of the mounting; so gyroscopes can be used to provide stability or maintain a reference direction in navigation systems, automatic pilots, and stabilizers
gyroscopeA device consisting of a wheel or disk mounted so that it can spin rapidly about an axis that is itself free to alter in direction. The orientation of the axis is not affected by tilting of the mounting; so gyroscopes can be used to provide stability or maintain a reference direction in navigation systems, automatic pilots, and stabilizers
RADARNavigation device used since the 1930's.
lunarthe distance of the moon used for navigation
lunarsLUNAR, the distance of the moon used for navigation
checkpointA location whose exact position can be verified visually or electronically, used by pilots to aid navigation
checkpointsA location whose exact position can be verified visually or electronically, used by pilots to aid navigation