id | field name | definition |
0 | dsr_time |
binary time | size: 12 |
ISP Sensing Time
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"
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|
1 | seconds |
binary uint32 | size: 4 |
seconds since start of day
unit: "s"
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|
2 | microseconds |
binary uint32 | size: 4 |
microseconds since start of second
unit: "1e-6 s"
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|
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1 | gsrt |
binary time | size: 12 |
Ground Station Reference Time of reception
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"
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|
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|
2 | isp_length |
binary uint16 | size: 2 |
Length of the ISP = length of the source packet - 7 bytes
unit: "bytes"
|
|
3 | crc_errs |
binary uint16 | size: 2 |
Number of VCDUs in the ISP which contain a CRC error
|
|
4 | rs_errs |
binary uint16 | size: 2 |
Number of VCDUs in the ISP for which a Reed-Solomon error correction was performed
|
|
5 | spare_1 |
binary array[2] | size: 2 |
Spare (set to zero)
|
hidden: true
|
6 | packet_header |
|
7 | datafield_header_length |
binary uint16 | size: 2 |
Data Field Header Length
|
|
8 | instrument_mode |
binary uint16 | size: 2 |
Instrument Mode
|
|
9 | icu |
binary uint32 | size: 4 |
ICU
unit: "1/256 s"
|
|
10 | redundancy_vector |
binary uint16 | size: 2 |
Redundancy Definition Vector
|
|
11 | number_of_blocks |
binary uint16 | size: 2 |
Number of data blocks
|
|
12 | data_blocks |
binary array[20] | size: 1280 |
|
|
13 | packet_error_control_field |
binary uint16 | size: 2 |
Checksum
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