Level_2A_Geolocation_ADSR_03_02

binary record "Level_2A_Geolocation_ADSR_03_02"
idfield namedefinition
0start_of_obs_time
binary timesize: 12
Start date and time of Observation (or BRC)

unit: "s since 2000-01-01"

value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary recordsize: 12
ENVISAT binary datetime

idfield namedefinition
0days
binary int32size: 4
days since January 1st, 2000 (may be negative)

unit: "days since 2000-01-01"
1seconds
binary uint32size: 4
seconds since start of day

unit: "s"
2microseconds
binary uint32size: 4
microseconds since start of second

unit: "1e-6 s"
1num_meas_eff
binary uint8size: 1
Effective number of measurement in the BRC
2measurement_geolocation
binary array[dim_0]
dim_0: $num_meas_max_brc
binary recordsize: 828
List of profile geolocations. This list contains the geolocations of the Max_Num_Prof possible profiles pertaining to the observation

idfield namedefinition
0centroid_time
binary timesize: 12
Measurement centroid time from L1B

unit: "s since 2000-01-01"

value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary recordsize: 12
ENVISAT binary datetime

idfield namedefinition
0days
binary int32size: 4
days since January 1st, 2000 (may be negative)

unit: "days since 2000-01-01"
1seconds
binary uint32size: 4
seconds since start of day

unit: "s"
2microseconds
binary uint32size: 4
microseconds since start of second

unit: "1e-6 s"
1mie_geolocation_height_bin
binary array[25]size: 400
List of Mie Geolocation Height Bin structures. This list contains 25 values. The first item contains the geolocation of the upper edge of the top-most bin (= defined as lower edge of bin 0). The remaining 24 items contain the geolocation of the lower edge of the each height bin (bin 1~24).
binary recordsize: 16
idfield namedefinition
0longitude_of_height_bin
binary int32 (double)size: 4
Longitude of the lower edge of the height bin along the line-of-sight

unit: "1e-6 degrees_east"

converted unit: "degrees_east" (multiply by 1/1000000)
1latitude_of_height_bin
binary int32 (double)size: 4
Latitude of the lower edge of the height bin along the line-of-sight

unit: "1e-6 degrees_north"

converted unit: "degrees_north" (multiply by 1/1000000)
2altitude_of_height_bin
binary doublesize: 8
Altitude of the lower edge of the height bin along the line-of-sight

unit: "m"
2rayleigh_geolocation_height_bin
binary array[25]size: 400
List of Rayleigh Geolocation Height Bin structures. This list contains 25 values. The first item contains the geolocation of the upper edge of the top-most bin (= defined as lower edge of bin 0). The remaining 24 items contain the geolocation of the lower edge of the each height bin (bin 1~24).
binary recordsize: 16
idfield namedefinition
0longitude_of_height_bin
binary int32 (double)size: 4
Longitude of the lower edge of the height bin along the line-of-sight

unit: "1e-6 degrees_east"

converted unit: "degrees_east" (multiply by 1/1000000)
1latitude_of_height_bin
binary int32 (double)size: 4
Latitude of the lower edge of the height bin along the line-of-sight

unit: "1e-6 degrees_north"

converted unit: "degrees_north" (multiply by 1/1000000)
2altitude_of_height_bin
binary doublesize: 8
Altitude of the lower edge of the height bin along the line-of-sight

unit: "m"
3longitude_of_dem_intersection
binary int32 (double)size: 4
Longitude of the intersection of the DEM and the line-of-sight

unit: "1e-6 degrees_east"

converted unit: "degrees_east" (multiply by 1/1000000)
4latitude_of_dem_intersection
binary int32 (double)size: 4
Latitude of the intersection of the DEM and the line-of-sight

unit: "1e-6 degrees_north"

converted unit: "degrees_north" (multiply by 1/1000000)
5altitude_of_dem_intersection
binary doublesize: 8
Altitude relative to the geoid of the intersection of the DEM and the line-of-sight

unit: "m"
3geoid_separation
binary doublesize: 8
Height of geoid above WGS84 ellipsoid. It is assumed this difference is valid for the whole observation.

unit: "m"