Level-1B ECHO_SAR_Ku

Sentinel-3 Altimetry Technical Guide - 1b SAR KU

The Level-1B ECHO_SAR_Ku product contains all L1B tracking measurements in SAR mode, at 20 Hz rate and for Ku band.

The main parameters of Level-1B ECHO_SAR_Ku product are:

Level-1B ECHO_SAR_Ku product main parameters
Parameter name Description Units
time_l1b_echo_sar_ku UTC time seconds elapsed since January 1st 2000 00:00:00 seconds
lat_l1b_echo_sar_ku Latitude 1.00e-06 degrees North
lon_l1b_echo_sar_ku Longitude 1.00e-06 degrees East
surf_type_l1b_echo_sar_ku Altimeter surface type 0b: open_ocean_or_semi-enclosed_seas
range_ku_l1b_echo_sar_ku Tracker range (Ku  band) corrected for USO frequency drift, internal path delay and Doppler corrections. 1.00e-04 meters (unit)
700,000 meters (offset to be added)
sig0_cal_ku_l1b_echo_sar_ku Scaling factor (Ku  band) for sigma0 evaluation corrected for AGC instrumental errors and internal calibration 1.00e-02 dB
i2q2_meas_ku_l1b_echo_sar_ku I2+Q2 echo waveforms corrected for the GPRW instrumental effect count (unit)
1.00e-03 (scale factor)


For further information about Level-1 ECHO_SAR_Ku product parameters:

Level-1 ECHO_SAR_Ku Time parameters

Level-1 ECHO_SAR_Ku Location parameters

Level-1 ECHO_SAR_Ku Instrument status

Level-1 ECHO_SAR_Ku Surface Type

Level-1 ECHO_SAR_Ku Tracker range

Level-1 ECHO_SAR_Ku Sigma0 Scaling Factor

Level-1 ECHO_SAR_Ku Waveforms

Key Resources