ASP_61073

binary record "ASP_61073"size: 76
Annotated Source Packet for STRE A Str1CcdAscAttitudeTm

idfield namedefinition
0sensing_time
binary timesize: 12
Sensing Time. Time of the actual acquisition of the source packet

unit: "s since 2000-01-01"

value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary recordsize: 12
ENVISAT binary datetime

idfield namedefinition
0days
binary int32size: 4
days since January 1st, 2000 (may be negative)

unit: "days since 2000-01-01"
1seconds
binary uint32size: 4
seconds since start of day

unit: "s"
2microseconds
binary uint32size: 4
microseconds since start of second

unit: "1e-6 s"
1packet_length
binary uint16size: 2
Packet length = (length of source packet excluding 6 bytes) - 1
2num_vcdu
binary uint16size: 2
Number of VCDUs containing current SP
3num_vcdu_missing
binary uint16size: 2
Number of missing VCDUs containing current SP
4crc_flag
binary uint8size: 1
CRC Error Flag, identifying the detection of a CRC error in the packet (1 = CRC error, 0 = no CRC error)
5spare
binary bytessize: 1
spare

hidden: true
6source_packet
binary recordsize: 56
Instrument Source Packet

idfield namedefinition
0packet_header
binary record "CCSDS_packet_header"size: 6
1data
binary recordsize: 48
idfield namedefinition
0data_field_header
binary record "ASP_Data_Field_Header"size: 12
1SID
binary uint8size: 1
2S1T00051
binary int32size: 4
STRE A Chu1AttitudeQ1
3S1T00052
binary int32size: 4
STRE A Chu1AttitudeQ2
4S1T00053
binary int32size: 4
STRE A Chu1AttitudeQ3
5S1T00054
binary int32size: 4
STRE A Chu1AttitudeQ4
6S1T00055
binary uint32size: 0:1
STRE A Chu1Sequence
7S1T00056
binary uint32size: 0:1
STRE A Chu1Correction
8S1T00057
binary uint32size: 0:2
STRE A Chu1CameraId
9S1T00058
binary uint32size: 0:1
STRE A Chu1HighRate
10S1T00059
binary uint32size: 0:1
STRE A Chu1BBO
11S1T00060
binary uint32size: 0:1
STRE A Chu1TimeRef
12S1T00061
binary uint32size: 0:1
STRE A Chu1Valid
13S1T00062
binary uint32size: 1
STRE A Chu1Residual
14S1T00063
binary uint32size: 1
STRE A Chu1Locks
15S1T00064
binary uint32size: 1
STRE A Chu1Objects
16S1T00065
binary uint32size: 1
STRE A Chu1StarsFail
17S1T00066
binary uint32size: 1:4
STRE A Chu1AgcFloor
18S1T00067
binary uint32size: 1:4
STRE A Chu1AgcCeiling
19S1T00068
binary timesize: 6
STRE A Chu1CoiTstmpCds

unit: "s since 2000-01-01"

value: float(./days) * 86400 + float(./milliseconds) / 1000
binary recordsize: 6
EPS short cds

idfield namedefinition
0days
binary uint16size: 2
days since January 1st, 2000 (must be positive)

unit: "days since 2000-01-01"
1milliseconds
binary uint32size: 4
milliseconds since start of day

unit: "1e-3 s"
20S1T00272
binary uint32size: 2
STRE A Chu1CoiTstmpMusec
21Spare_Align
binary bytessize: 3

hidden: true
2crc
binary uint16size: 2