GAMIT Structure History Data types Steps needed in processing Files needed for processing 04/3003 12540Lec20 GAMIT History Development started in late 1970s when MIT was building GPs receivers Code derived from 1960-1970 Planetary ephemeris and Vlbi software Ported to unix in 1987 Start of IGs in 1992 prompted development of automatic processing schemes Fully automatic processing mid-1990s including continuous stations and campaign GPS measurements04/30/03 12.540 Lec 20 11 GAMIT Structure • History • Data types • Steps needed in processing • Files needed for processing 04/30/03 12.540 Lec 20 12 GAMIT History • Development started in late 1970s when MIT was building GPS receivers • and VLBI software • Ported to Unix in 1987 • Start of IGS in 1992 prompted development of automatic processing schemes • continuous stations and campaign GPS measurements Code derived from 1960-1970 Planetary ephemeris Fully automatic processing mid-1990s including 6