| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Start time of the measurement
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 all MDSRs corresponding to this ADSR are blank, set to zero otherwise)
|
|
| 2 | lat |
| binary int32 (double) | size: 4 |
|---|
Latitude of the spacecraft value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-6 degrees_north"
converted unit: "degrees_north" (multiply by 1/1000000)
|
|
| 3 | longit |
| binary int32 (double) | size: 4 |
|---|
Longitude of the spacecraft value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-6 degrees_east"
converted unit: "degrees_east" (multiply by 1/1000000)
|
|
| 4 | alt |
| binary uint32 (double) | size: 4 |
|---|
Altitude of the spacecraft value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-2 m"
converted unit: "m" (multiply by 1/100)
|
|
| 5 | tangent_lat |
| binary int32 (double) | size: 4 |
|---|
Latitude of the tangent point value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-6 degrees_north"
converted unit: "degrees_north" (multiply by 1/1000000)
|
|
| 6 | tangent_long |
| binary int32 (double) | size: 4 |
|---|
Longitude of the tangent point value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-6 degrees_east"
converted unit: "degrees_east" (multiply by 1/1000000)
|
|
| 7 | tangent_alt |
| binary uint32 (double) | size: 4 |
|---|
Altitude of the tangent point value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-2 m"
converted unit: "m" (multiply by 1/100)
|
|
| 8 | err_tangent_lat |
| binary int32 (double) | size: 4 |
|---|
Error on the latitude of the tangent point value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-7 degrees_north"
converted unit: "degrees_north" (multiply by 1/10000000)
|
|
| 9 | err_tangent_long |
| binary int32 (double) | size: 4 |
|---|
Error on the longitude of the tangent point value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-7 degrees_east"
converted unit: "degrees_east" (multiply by 1/10000000)
|
|
| 10 | err_tangent_alt |
| binary uint32 (double) | size: 4 |
|---|
Error on the altitude of the tangent point value provided during the measurement, generally at half-measurement (the temporal shift is given by the time shift for the ray tracing in the SPH)
unit: "1e-3 m"
converted unit: "m" (multiply by 1/1000)
|
|
| 11 | tangent_atm_p |
| binary float | size: 4 |
|---|
Tangent point atmospheric pressure (from external model)
unit: "Pa"
|
|
| 12 | tangent_atm_temp |
| binary float | size: 4 |
|---|
Tangent point temperature (from external model)
unit: "K"
|
|
| 13 | tangent_density |
| binary float | size: 4 |
|---|
Tangent point density (from external model)
unit: "1/cm3"
|
|
| 14 | spec_grid |
| binary array[2336] | size: 4672 |
|---|
Spectral grid correction for the transmission model function computed from retrieved vertical profiles
| binary uint16 (double) | size: 2 |
|---|
unit: "1e-3 nm"
converted unit: "nm" (multiply by 1/1000)
|
|
|