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:
| 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 1b:enclosed_seas_or_lakes 2b:continental_ice 3b:land |
| 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