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Unformatted text preview: has changed many times during history, leading to many conventions. Transformation from on set of time coordinates to another is often referred to as calendrical computations. Current civil time ( UTC; Coordinated Unversal Time ) differs from TAI by an integer number of leap seconds to follow the traditional astronomical time (based on the mean Sun): UTC = TAI on January 1, 1958. This year (2009) another leap second has been added to adjust the UTC time. GPS time is yet another time convention used by the Global Positioning System: GPS time = TAI 19s GPS time = UTC on January 6, 1980. MAE 146: Astronautics Introduction 2 Def: Types of model Origin BFV, 01/09/2010...
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This note was uploaded on 03/13/2010 for the course MAE 19100 taught by Professor Villac during the Winter '10 term at UC Irvine.
- Winter '10