Level-1B-S ECHO_SAR_Ku

Sentinel-3 Altimetry Technical Guide - 1BS SAR Ku

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

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

Table 1: Level-1B-S ECHO_SAR_Ku product main parameters
Parameter name Description Units
time_l1bs_echo_sar_ku UTC time seconds elapsed since January 1st 2000 00:00:00 seconds
lat_l1bs_echo_sar_ku Latitude 1.00e-06 degrees North
lon_l1bs_echo_sar_ku Longitude 1.00e-06 degrees East
Orientation of the Satellite 1.00e-04 degrees
surf_type_l1bs_echo_sar_ku Altimeter surface type 0b:open_ocean_or_semi-enclosed_seas
range_ku_l1bs_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_l1bs_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_l1bs_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 Orientation parameters

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