| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Start time of scan phase
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 | dsr_length |
| binary uint32 | size: 4 |
|---|
Length of this DSR in bytes
unit: "bytes"
|
|
| 2 | quality_flag |
| binary int8 | size: 1 |
|---|
|
Quality Indicator (-1 if empty DSR)
|
|
| 3 | orb_phase |
| binary float | size: 4 |
|---|
|
Orbit phase after eclipse of the state (range: 0-1)
|
|
| 4 | meas_cat |
| binary uint16 | size: 2 |
|---|
|
Measurement Category
|
|
| 5 | state_id |
| binary uint16 | size: 2 |
|---|
|
State ID
|
|
| 6 | clus_id |
| binary uint16 | size: 2 |
|---|
|
Cluster ID for this record
|
|
| 7 | num_obs |
| binary uint16 | size: 2 |
|---|
|
Number of observations of this cluster, Nobs
|
|
| 8 | num_pixels |
| binary uint16 | size: 2 |
|---|
|
Number of pixels in this cluster, Npixels
|
|
| 9 | rad_units_flag |
| binary int8 | size: 1 |
|---|
|
Pixel Units Indicator (-1 for radiance units photons/s.cm2.nm.sr, 0 for BU)
|
|
| 10 | pixel_ids |
| binary array[dim_0] |
|---|
Pixel IDs for cluster
dim_0: int(../num_pixels)
|
|
| 11 | pixel_wavelength |
| binary array[dim_0] |
|---|
Wavelength for pixels in this cluster
dim_0: int(../num_pixels)
| binary float | size: 4 |
|---|
|
unit: "nm"
|
|
|
| 12 | pixel_wavelength_error |
| binary array[dim_0] |
|---|
Wavelength calibration error for pixels in this cluster
dim_0: int(../num_pixels)
| binary float | size: 4 |
|---|
|
unit: "nm"
|
|
|
| 13 | observations |
| binary array[dim_0, dim_1] |
|---|
Signal values for each detector element, for each observation (unit: BU or photons/s.cm2.nm.sr)
dim_0: int(../num_obs)
dim_1: int(../num_pixels)
|
|
| 14 | observation_errors |
| binary array[dim_0, dim_1] |
|---|
Signal error values for each detector element, for each observation (unit: BU or photons/s.cm2.nm.sr)
dim_0: int(../num_obs)
dim_1: int(../num_pixels)
|
|
| 15 | geo |
| binary array[dim_0] |
|---|
Geolocation
dim_0: int(../num_obs)
| binary record "" | size: 112 |
|---|
|
|