| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Start time of the PMD data packet
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 (always set to zero for this ADS)
|
|
| 2 | packet_id |
| binary uint16 | size: 2 |
|---|
|
packet_id
|
|
| 3 | packet_seq_cnt |
| binary uint16 | size: 2 |
|---|
|
packet_seq_cnt
|
|
| 4 | packet_length |
| binary uint16 | size: 2 |
|---|
|
packet_length
|
|
| 5 | datafield_header_length |
| binary uint16 | size: 2 |
|---|
|
Data Field Header Length
|
|
| 6 | state_code |
| binary uint16 | size: 2 |
|---|
|
State Code
|
|
| 7 | icu |
| binary uint32 | size: 4 |
|---|
ICU
unit: "1/256 s"
|
|
| 8 | redundancy_vector |
| binary uint16 | size: 2 |
|---|
|
Redundancy Definition Vector
|
|
| 9 | packet_id_overflow |
| binary uint16 | size: 2 |
|---|
|
Packet and Overflow bits
|
|
| 10 | temp_pmd_hk |
| binary uint16 | size: 2 |
|---|
|
PMD Temperature housekeeping data
|
|
| 11 | pmd_sample |
| binary array[200] | size: 6800 |
|---|
PMD Sample
| binary record | size: 34 |
|---|
| id | field name | definition |
|---|
| 0 | sync |
| binary uint16 | size: 2 |
|---|
|
Synchronisation
|
|
| 1 | broadcast_counter |
| binary uint16 | size: 2 |
|---|
|
Broadcast Counter
|
|
| 2 | pmd_meas |
| binary array[7] | size: 28 |
|---|
PMD measurement data
| binary record | size: 4 |
|---|
| id | field name | definition |
|---|
| 0 | a |
| binary uint16 | size: 2 |
|---|
|
Low-gain value
|
|
| 1 | b |
| binary uint16 | size: 2 |
|---|
|
High-gain value
|
|
|
|
|
| 3 | is_deltatime |
| binary uint16 | size: 2 |
|---|
|
IS / Delta-time bitfield
|
|
|
|
|