| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Start time of the DSR
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
| binary record | size: 12 |
|---|
ENVISAT binary datetime
| id | field name | definition |
|---|
| 0 | days |
| binary int32 | size: 4 |
|---|
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
|
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
|
|
|
|
| 1 | attach_flag |
| binary uint8 | size: 1 |
|---|
|
Attachment flag (set to 1 if there are no Limb MDSRs corresponding to this ADSR, set to zero otherwise)
|
|
| 2 | off_back |
| binary float | size: 4 |
|---|
Offset for the background spectra coding
unit: "e"
|
|
| 3 | gain_back |
| binary float | size: 4 |
|---|
|
Gain for the background spectra coding
|
|
| 4 | lat |
| binary int32 (double) | size: 4 |
|---|
Latitude of the spacecraft. One value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing/geolocation in the Occultation data GADS)
unit: "1e-6 degrees_north"
converted unit: "degrees_north" (multiply by 1/1000000)
|
|
| 5 | longit |
| binary int32 (double) | size: 4 |
|---|
Longitude of the spacecraft. One value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing/geolocation in the Occultation data GADS)
unit: "1e-6 degrees_east"
converted unit: "degrees_east" (multiply by 1/1000000)
|
|
| 6 | alt |
| binary uint32 (double) | size: 4 |
|---|
Altitude of the spacecraft. One value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing/geolocation in the Occultation data GADS)
unit: "1e-2 m"
converted unit: "m" (multiply by 1/100)
|
|
| 7 | tangent_lat |
| binary array[2] | size: 8 |
|---|
Latitude of the apparent tangent point. The two values for the apparent tangent points correspond to the lower (first value) and the upper (second value) background bands
| binary int32 (double) | size: 4 |
|---|
unit: "1e-6 degrees_north"
converted unit: "degrees_north" (multiply by 1/1000000)
|
|
|
| 8 | tangent_long |
| binary array[2] | size: 8 |
|---|
Longitude of the apparent tangent point. The two values for the apparent tangent points correspond to the lower (first value) and the upper (second value) background bands
| binary int32 (double) | size: 4 |
|---|
unit: "1e-6 degrees_east"
converted unit: "degrees_east" (multiply by 1/1000000)
|
|
|
| 9 | tangent_alt |
| binary array[2] | size: 8 |
|---|
Altitude of the apparent tangent point. The two values for the apparent tangent points correspond to the lower (first value) and the upper (second value) background bands
| binary uint32 (double) | size: 4 |
|---|
unit: "1e-2 m"
converted unit: "m" (multiply by 1/100)
|
|
|
| 10 | err_tangent_lat |
| binary array[2] | size: 8 |
|---|
Error on the latitude of the apparent tangent point. The two values for the apparent tangent points correspond to the lower (first value) and the upper (second value) background bands
| binary int32 (double) | size: 4 |
|---|
unit: "1e-7 degrees_north"
converted unit: "degrees_north" (multiply by 1/10000000)
|
|
|
| 11 | err_tangent_long |
| binary array[2] | size: 8 |
|---|
Error on the longitude of the apparent tangent point. The two values for the apparent tangent points correspond to the lower (first value) and the upper (second value) background bands
| binary int32 (double) | size: 4 |
|---|
unit: "1e-7 degrees_east"
converted unit: "degrees_east" (multiply by 1/10000000)
|
|
|
| 12 | err_tangent_alt |
| binary array[2] | size: 8 |
|---|
Error on the altitude of the apparent tangent point. The two values for the apparent tangent points correspond to the lower (first value) and the upper (second value) background bands
| binary uint32 (double) | size: 4 |
|---|
unit: "1e-3 m"
converted unit: "m" (multiply by 1/1000)
|
|
|
| 13 | sun_zenith_angle_spacecraft |
| binary float | size: 4 |
|---|
Sun zenith angle at the spacecraft
unit: "degrees"
|
|
| 14 | sun_zenith_angle_tangent |
| binary array[2] | size: 8 |
|---|
Sun zenith angle at the tangent point. One value for upper and lower band each
| binary float | size: 4 |
|---|
|
unit: "degrees"
|
|
|
| 15 | sun_azimuth_angle_tangent |
| binary array[2] | size: 8 |
|---|
Sun azimuth angle at the tangent point. One value for upper and lower band each
| binary float | size: 4 |
|---|
|
unit: "degrees"
|
|
|
| 16 | pcd |
| binary array[16] | size: 32 |
|---|
PCD at measurement level
|
|