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ET

A Dictionary of Astronomy | 1997 | Â© A Dictionary of Astronomy 1997, originally published by Oxford University Press 1997. (Hide copyright information) Copyright

ET Abbr. for Ephemeris Time.

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"ET." A Dictionary of Astronomy. 1997. Encyclopedia.com. 25 Dec. 2009 <http://www.encyclopedia.com>.

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Related newspaper, magazine, and trade journal articles from HighBeam Research

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	Rx Networks Announces GPStream(TM) SUPL 1.0 AGPS Client With Extended Ephemeris Capability. PR Newswire; 2/7/2008; 700+ words ; ...compliant client solution with extended ephemeris capability designed to reduce GPS start...received SUPL assistance, actual broadcast ephemeris or from lightweight GPS constellation...seamlessly reverts to on-board extended ephemeris assistance data, thereby maintaining...
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	Atheros Enhances GPS User Experience with Advanced Navigation and Low Power in Handsets, PNDs and PMPs. PR Newswire; 4/28/2008; 700+ words ; ...process in conditions where broadcast ephemeris is available, by quickly securing...satellite search mode. > Real-time ephemeris through cellular networks Mobile networks can enable handsets with ephemeris data, satellite orbital information...
	Atheros Enhances GPS User Experience with Advanced Navigation and Low Power in Handsets, PNDs and PMPs; AR1511 Chip and ORION 3.0 Software Combo Delivers State-of-the-Art AGPS Performance for Standalone and Hosted Applications. M2 Presswire; 5/6/2008; 700+ words ; ...process in conditions where broadcast ephemeris is available, by quickly securing...satellite search mode. - Real-time ephemeris through cellular networks Mobile networks can enable handsets with ephemeris data, satellite orbital information...
	Assistance when there's no assistance: long-term orbit technology for cell phones, PDAs.(TRACKING & WIRELESS) Magazine article from: GPS World; 10/1/2005; ; 700+ words ; Long-Term Orbit or "extended ephemeris" technology delivers assistance data...tracking data to predict future orbit data (ephemeris) with much greater accuracy. Like the...free tracking data as the basis for the ephemeris it rebroadcasts from the GPS satellites...
	New astrophysics study findings reported from N.V. Emelyanov and co-authors. Newspaper article from: Physics Week; 9/23/2008; 649 words ; ...some research facilities for deriving ephemerides, controlling observations, verifying...goal of our work is to elaborate the ephemerides of all natural satellites based upon...motion is realized as a software for the ephemerides of natural satellites available on the...
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