Level 1A Data Fields for Version 1 (V001)

The following notation is used throughout this document:

Float32: 32-bit (4-byte) floating point
Int8: 8-bit (1-byte) signed integer Int16: 16-bit (2-byte) signed integer
Int32: 32-bit (4-byte) signed integer
Uint8: 8-bit (1-byte) unsigned integer
Uint16: 16-bit (2-byte) unsigned integer


Field Type Dimension Units Scale Factor
Position_in_Orbit Float32 1   1
6GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
6GHz-H_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
10.65GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
10.65GHz-H_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
18.7GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
18.7GHz-H_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
23.8GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
23.8GHz-H_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
36.5GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
36.5GHz-H_Observation_Count_Data Uint16 243 samples x 2000 scans count 1
50.3GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans   1
52.8GHz-V_Observation_Count_Data Uint16 243 samples x 2000 scans   1
89.0GHz-V-A_Observation_Count_Data Uint16 486 samples x 2000 scans counts 1
89.0GHz-H-A_Observation_Count_Data Uint16 486 samples x 2000 scans counts 1
89.0GHz-V-B_Observation_Count_Data Uint16 486 samples x 2000 scans counts 1
89.0GHz-H-B_Observation_Count_Data Uint16 486 samples x 2000 scans counts 1
Hot_Load_Count_6_to_52 Uint16 16 samples x 12 samples x 2000 scans count 1
Hot_Load_Count_89 Uint16 32 samples x 4 samples x 2000 scans count 1
Cold_Sky_Mirror_Count_6_to_52 Uint16 16 samples x 12 samples x 2000 scans count 1
Cold_Sky_Mirror_Count_89 Uint16 32 samples x 4 samples x 2000 scans count 1
Antenna_Temp_Coef(Of+Sl) Float32 32 samples x 2000 scans K+K/count 1
Rx_Offset/Gain_Count Uint16 32 samples x 2000 scans K+K/count 1
Navigation_Data 6-byte * 4-byte float 6 samples x 2000 scans m, m/s 1
Attitude_Data 3-byte * 4-byte float 3 samples x 2000 scans deg 1
Lat_of_Observation_Point_Except_89B Int16 486 samples x 2000 scans deg 1
Long_of_Observation_Point_Except_89B Int16 486 samples x 2000 scans deg 1
Lat_of_Observation_Point_for_89B Int16 486 samples x 2000 scans deg 0.01
Long_of_Observation_Point_for_89B Int16 486 samples x 2000 scans deg 0.01
Sun_Azimuth Int8 243 samples x 2000 scans deg 0.01
Sun_Elevation Int8 243 samples x 2000 scans deg 0.01
Earth_Incidence Int8 243 samples x 2000 scans deg 0.02 with offset of 55°
Earth_Azimuth Int8 243 samples x 2000 scans deg 0.02 with offset of 55°
Land/Ocean_Flag_for_6_10_18_23_36_50_89A Uint8 243 samples x 7 samples x 2000 scans   1
Observation_Supplement Int16 27 samples x 2000 scans   1
SPC_Temperature_Count Uint16 20 samples x 2000 scans K+K/count 1
SPS_Temperature_Count Uint16 32 samples x 2000 scans K+K/count 1
Data_Quality Uint16 128 samples x 2000 scans   1
Scan_Time 8-byte double 2000 scans TAI93 (seconds since midnight, 01 January 1993) N/A