Minimize ECHO_PLRM

The Level-1 ECHO_PLRM product contains all L1B tracking measurements in pseudo-LRM (PLRM) mode, at 20 Hz rate and for both Ku and C band.

The main parameters of Level-1 ECHO_PLRM product are:

 

Table 1: Level-1 ECHO_PLRM product main parameters

Parameter name

Description

Units

time_l1b_echo_plrm

UTC time seconds elapsed since January 1st 2000 00:00:00

seconds

lat_l1b_echo_plrm

Latitude

1.00e-06 degrees North

lon_l1b_echo_plrm

Longitude

1.00e-06 degrees East

surf_type_l1b_echo_plrm

Altimeter surface type

0b:open_ocean_or_semi-enclosed_seas

1b:enclosed_seas_or_lakes

2b:continental_ice

3b:land

range_ku_l1b_echo_plrm

range_c_l1b_echo_plrm

Tracker range (Ku or C band) corrected for USO frequency drift, internal path delay and Doppler corrections.

1.00e-04 meters (unit)

700000 meters (offset to be added)

sig0_cal_ku_l1b_echo_plrm

sig0_cal_c_l1b_echo_plrm

Scaling factor (Ku or C band) for sigma0 evaluation corrected for AGC instrumental errors and internal calibration

1.00e-02 dB

i2q2_meas_ku_l1b_echo_plrm i2q2_meas_c_l1b_echo_plrm

I2+Q2 echo waveforms corrected for the GPRW instrumental effect

count (unit)

1.00e-03 (scale factor)

For further information about Level-1 ECHO_PLRM product parameters:

Level-1 ECHO_PLRM Time parameters

Level-1 ECHO_PLRM Location parameters

Level-1 ECHO_PLRM Instrument status

Level-1 ECHO_PLRM Surface Type

Level-1 ECHO_PLRM Tracker range

Level-1 ECHO_PLRM Sigma0 Scaling Factor

Level-1 ECHO_PLRM Waveforms