| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Time of creation
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 |
|---|
|
DSR length
|
|
| 2 | quality_flag |
| binary int8 | size: 1 |
|---|
|
Quality indicator (PCD)
|
|
| 3 | microwindow_id |
| ascii string | size: 8 |
|---|
|
Microwindow identifier
|
|
| 4 | lowest_wavenumber |
| binary double | size: 8 |
|---|
Lowest wavenumber
unit: "1/cm"
|
|
| 5 | highest_wavenumber |
| binary double | size: 8 |
|---|
Highest wavenumber
unit: "1/cm"
|
|
| 6 | wavenumber_grid_spacing |
| binary double | size: 8 |
|---|
Spacing of wavenumber grid
unit: "1/cm"
|
|
| 7 | num_wavenumber_grid_points |
| binary uint16 | size: 2 |
|---|
|
Number of wavenumber grid points
|
|
| 8 | lowest_lat_mw |
| binary double | size: 8 |
|---|
Lowest latitude where microwindow is valid
unit: "degrees_north"
|
|
| 9 | highest_lat_mw |
| binary double | size: 8 |
|---|
Highest latitude where microwindow is valid
unit: "degrees_north"
|
|
| 10 | num_altitudes |
| binary uint16 | size: 2 |
|---|
|
Number of altitudes
|
|
| 11 | tangent_altitude |
| binary array[dim_0] |
|---|
Tangent altitude
dim_0: int(../num_altitudes)
| binary double | size: 8 |
|---|
|
unit: "km"
|
|
|
| 12 | linear_cont_alt |
| binary array[dim_0, 2] |
|---|
Lower and upper border of region of linear continuum for altitude
dim_0: int(../num_altitudes)
| binary double | size: 8 |
|---|
|
unit: "km"
|
|
|
| 13 | spacing_fine_grid |
| binary double | size: 8 |
|---|
Spacing of fine grid
unit: "1/cm"
|
|
| 14 | num_fine_grid_points |
| binary uint16 | size: 2 |
|---|
|
Number of fine grid points for irregular grid
|
|
| 15 | wavenumber_first_fine_grid |
| binary double | size: 8 |
|---|
Wavenumber of first fine grid point
unit: "1/cm"
|
|
| 16 | bitvector_compressed_grid |
| binary array[dim_0] |
|---|
Bitvector indicating fine grid points to be used for compressed grid
dim_0: (int(../num_fine_grid_points) + 7) / 8
|
|
| 17 | num_compressed_grid_points |
| binary uint16 | size: 2 |
|---|
|
Number of compressed grid points
|
|
| 18 | interpolation_flag |
| binary uint16 | size: 2 |
|---|
|
Flag indicating interpolation method
|
|
| 19 | num_gases |
| binary uint16 | size: 2 |
|---|
|
Number of gases
|
|
| 20 | hitran_codes_gases |
| binary array[dim_0] |
|---|
HITRAN codes of gases
dim_0: int(../num_gases)
|
|
| 21 | num_spectral_masks |
| binary uint16 | size: 2 |
|---|
|
Number of spectral masks
|
|
| 22 | lower_alt_border_mask |
| binary array[dim_0] |
|---|
Lower altitude border for mask
dim_0: int(../num_spectral_masks)
| binary double | size: 8 |
|---|
|
unit: "km"
|
|
|
| 23 | upper_alt_border_mask |
| binary array[dim_0] |
|---|
Upper altitude border for mask
dim_0: int(../num_spectral_masks)
| binary double | size: 8 |
|---|
|
unit: "km"
|
|
|
| 24 | spectral_mask |
| binary array[dim_0, dim_1] |
|---|
Spectral mask
dim_0: int(../num_spectral_masks)
dim_1: int(../num_wavenumber_grid_points)
|
|