| PARAMETER | Latitude Longitude Altitude Altitude rate |
| NETCDF NAME | lat_l1b_echo_sar_ku lon_l1b_echo_sar_ku alt_l1b_echo_sar_ku orb_alt_rate_l1b_echo_sar_ku |
| DESCRIPTION | Latitude position at time tag. Longitude position at time tag. Satellite altitude height above the reference ellipsoid at time tag. Satellite altitude height rate at time tag. |
| UNITS | Latitude: 10-6 degrees. Positive latitude is a northern latitude, negative latitude is a southern latitude. Longitude: 10-6 degrees. East longitude relative to the Greenwich meridian. Altitude: 10-4m. An offset of 700,000m to be added to the value read from the netCDF file. Altitude rate: 10-2m/s. |
| PARAMETERS RELATED | x_pos_l1b_echo_sar_ku: X component of the satellite altitude. y_pos_l1b_echo_sar_ku: Y component of the satellite altitude. z_pos_l1b_echo_sar_ku: Z component of the satellite altitude. x_vel_l1b_echo_sar_ku: X component of the satellite velocity. y_vel_l1b_echo_sar_ku: Y component of the satellite velocity. z_vel_l1b_echo_sar_ku: Z component of the satellite velocity. |
| ALGORITHMS RELATED | Orbit CFI algorithm ALT_PHY_LOC_01 algorithm |
| PARAMETER DETAILED DESCRIPTION | Sentinel-3 Core PDGS Instrument Processing Facility (IPF) Implementation. Product Data Format Specification. SRAL/MWR Level 1 & 2 Instrument Products |