Supported ENVISAT Products

Contains ASAR external characterization data

  Fields of ENVISAT ASA_XCH_AX_GADS Records

Index Identifier Field Type Field Length Description Units
0 "dsr_time" MJD 1 Time of characterization MJD
1 "dsr_length" ULong 1 Length of this DSR in bytes bytes
2 "complex_loop_factors" Float 128 Complex Loop Paths Characterization Factors relative to free space (from External Characterization data). 64 complex (I,Q) values of gnp where n is the index of the row (1 to 32) and p is the index of the polarization (H=1, V=2) (TBC) Arranged H: 1 to 32, then V: 1-32) -
3 "pointing_error" Float 1 Antenna pointing error DP1 (from External Characterization data) -
4 "spare_1" Spare 1 Spare -