Synonyms and related words :
astrolabe, astronavigation, azimuth circle, azimuth compass, bevel, bevel protractor, bevel square, celestial navigation, chronometer, clinometer, coastwise navigation, consolan, crescent, dead reckoning, fix, goniometer, graphometer, half circle, hemicycle, line of position, loran, pantometer, pilotage, plane sailing, point-to-point navigation, protractor, quadrant, radar, radio beacon, radio navigation, radiogoniometer, sector, semicircle, shoran, sofar, sonar, tables, theodolite, transit, transit circle, transit instrument, transit theodolite