| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Data Record Time: Time fields based on UTC are computed for each record and referred to the first data block of the source packet containing the individual echoes
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 | quality_flag |
| binary int8 | size: 1 |
|---|
|
Quality Indicator (-1 for blank MDSR, 0 otherwise)
|
|
| 2 | spare_1 |
| binary bytes | size: 3 |
|---|
|
Spare
|
hidden: true
|
| 3 | odbh_data_wd |
| binary uint64 | size: 8 |
|---|
OBDH datation word (43 bits): The datation timing words are transcriptions of the words provided in the source packet of the sequence, and does not change over the sequence
unit: "1/524288 s"
|
|
| 4 | spare_2 |
| binary bytes | size: 12 |
|---|
|
Spare
|
hidden: true
|
| 5 | rec_cnt |
| binary uint32 | size: 4 |
|---|
|
Record Counter
|
|
| 6 | sour_seq_cnt |
| binary uint16 | size: 2 |
|---|
|
Source Sequence Count: Extracted from the header of the source packet
|
|
| 7 | indv_echo |
| binary array[1600, 2] | size: 3200 |
|---|
Ku Individual Echoes (1600 I,Q pairs)
|
|