Garmin 010-11018-00 GPS 20x Technical Specifications - Page 19

Position Record The Position Record has a record identifier of typedef struct { float alt; float epe; float eph; float epv; int fix; double gps_tow; double lat; double lon; float lon_vel; float lat_vel; float alt_vel; float msl_hght; int leap_sec; long grmn_days; } cpo_pvt_data; alt epe eph epv fix gps_tow lat lon lon_vel lat_vel alt_vel msl_hght leap_sec grmn_days Ellipsoid altitude (meters) Estimated position error (meters) Position error, horizontal (meters) Position error, vertical (meters) 0 = no fix; 1 = no fix; 2 = 2D; 3 = 3D; 4 = 2D differential; 5 = 3D differential; 6 and greater = not defined GPS time of week (sec) Latitude (radians) Longitude (radians) Longitude velocity (meters/second) Latitude velocity (meters/second) Altitude velocity (meters/second) Height (mean sea level) (meters) UTC leap seconds Garmin days (days since December 31, 1989) For the latest free software updates (excluding map data) throughout the life of your Garmin products, visit the Garmin Web site at www.garmin.com. © 2008 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. Garmin (Europe) Ltd. Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9RB, U.K. 190-00880-00 Garmin Corporation No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan www.garmin.com Part Number 190-00880-00 Rev. A GPS 20x Technical Specifications Page 16 Rev. A