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ephemeris |
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ephemeris an astronomical almanac giving, as an aid to the astronomer and navigator, the locations of celestial bodies for each day of the year. See also: Almanacs
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| The time code frame contained a 40 bit synchronization message, a 32 bit time-of-year message including the day of year, and the UTC hour and minute; an 8 bit message containing the current offset between UTC and the astronomical time scale UT1, and a 52 bit ephemeris message containing the satellite's latitude, longitude, and height above the Earth's surface minus a bias of 119 300 [micro]s [31]. The GPS signal contains three components: a "pseudorandom code," ephemeris data, and almanac data. Thus the bald statement in Dictys's Ephemeris belli Troiani (6. |
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