| id | field name | definition |
|---|
| 0 | sensing_time |
| binary time | size: 12 |
|---|
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
| binary record | size: 12 |
|---|
Source packet acquisition time (UTC)
| id | field name | definition |
|---|
| 0 | days |
| binary int32 | size: 4 |
|---|
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
|
bit offset: 0
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
bit offset: 32
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
bit offset: 64
|
|
|
|
| 1 | downlink_time |
| binary time | size: 12 |
|---|
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
| binary record | size: 12 |
|---|
Source packet downlink time (G/S time)
| id | field name | definition |
|---|
| 0 | days |
| binary int32 | size: 4 |
|---|
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
|
bit offset: 0
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
bit offset: 32
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
bit offset: 64
|
|
|
|
| 2 | packet_length |
| binary uint16 | size: 2 |
|---|
|
ISP length (minus one)
|
|
| 3 | number_of_VCDUs |
| binary uint16 | size: 2 |
|---|
|
Number of VCDUs containing the current ISP
|
|
| 4 | number_of_corrected_VCDUs |
| binary uint16 | size: 2 |
|---|
|
Number of VCDUs containing the current ISP that were corrected with Reed-Solomon
|
|
| 5 | number_of_incorrigible_VCDUs |
| binary uint16 | size: 2 |
|---|
|
Number of VCDUs containing the current ISP that were incorrigible with Reed-Solomon
|
|
| 6 | number_of_missing_VCDUs |
| binary uint16 | size: 2 |
|---|
|
Number of missing VCDUs containing the current ISP
|
|
| 7 | number_of_corrected_symbols_CADU |
| binary uint16 | size: 2 |
|---|
|
Number of symbols corrected by Reed-Solomon in CADUs containing the current ISP
|
|
| 8 | CRC_error_flag |
| binary int8 | size: 1 |
|---|
|
CRC error flag
|
|
| 9 | spare |
hidden: true
|