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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|
|
|
|
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 | hk_tm_header |
binary record | size: 22 |
HK TM Header
id | field name | definition |
0 | synchronization_word |
binary array[3] | size: 3 |
Synchronization Word (FA F3 20 hex).
|
|
1 | satellite_nr |
binary uint8 | size: 1 |
The satellite number is 3 for the nominal CFS and 1 for the LVPROM. For the flight spare CCY the satellite number is 2 for the LVPROM.
|
|
2 | ccu_obt |
binary uint32 | size: 4 |
CCU OBT
unit: "1/256 s"
|
|
3 | line_number |
binary uint8 | size: 1 |
The TM frame number, between 0 and 15, in the TM format.
|
|
4 | sat_mode |
binary uint8 | size: 1 |
Satellite Mode.
|
|
5 | pmc_rbi |
binary uint16 | size: 2 |
PMC RBI status word
|
|
6 | frame_counter |
binary uint8 | size: 1 |
Frame Counter
|
|
7 | anomaly_counter |
binary uint8 | size: 1 |
Anomaly Counter
|
|
8 | last_anomaly |
binary uint16 | size: 2 |
Identification of last anomaly
|
|
9 | tch_eval |
binary uint32 | size: 4 |
TCH Evaluation
|
|
10 | acq_on_demand_tcm |
binary uint8 | size: 1 |
Acquisition of On-Demand TM in Safe Mode.
|
|
11 | tms_masking_states |
binary uint8 | size: 1 |
TMS Masking States.
|
|
|
|
8 | rt_telemetry |
binary record | size: 232 |
Realtime telemetry
id | field name | definition |
0 | sm_hk_data |
binary array[2] | size: 4 |
SM HK Data
|
|
1 | plm_subsys_data |
binary array[12] | size: 24 |
PLM Subsystem Data
|
|
2 | instrument_data |
binary array[64] | size: 64 |
Instrument Data
|
|
3 | sm_hk_data_cont |
binary array[70] | size: 140 |
SM HK Data (Continued)
|
|
|
|
9 | tm_type |
binary uint8 | size: 0:4 |
Type of F1/F2
|
|
10 | peb_valid_flag |
binary uint8 | size: 0:1 |
Payload Equipment Bay (PEB) Data Valid Flag.
|
|
11 | f1_valid_flag |
binary uint8 | size: 0:1 |
F1 Area Valid Flag
|
|
12 | f2_valid_flag |
binary uint8 | size: 0:1 |
F2 Area Valid Flag
|
|
13 | peb_frame_counter |
binary record | size: 1:1 |
Payload Equipment Bay (PEB) Data Frame Counter
id | field name | definition |
0 | icu_number |
binary uint8 | size: 0:4 |
ICU number
|
|
1 | icu_frame_counter |
binary uint8 | size: 0:5 |
ICU Frame Counter
|
|
|
|
14 | on_request_telemetry_f1 |
binary array[50] | size: 50 |
On-request telemetry (area F1)
|
|
15 | on_request_telemetry_f2 |
binary array[204] | size: 204 |
On-request telemetry (area F2)
|
|
16 | checksum |
binary uint16 | size: 2 |
Checksum
|
|
17 | padding |
binary array[245] | size: 490 |
padding bytes
|
|