APID sequence checking for 2019/05/15
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During the MIO battery maintenance test, we found some problem in MEA1 and MEA2 HK telemetry.
All packets for HK telemetry were not sent in chronological order.
=== When downloading TM from antenna 167 (0xA7)
We found some time-tags backwards, and HK packets doesn't have a regularly increasing sequence_number
For each HK packet, we compare current and latest sequence_number CCSDS field for a given APID.
We could find :
* Some gaps : DELTA_SEQ > 1
* Some backwards : DELTA_SEQ < 0
MEA1 HK : 151 records
* link:documents/20190515/APID_CHECK/MEA1_L0_20190515_TLM_0A7_0628.txt[]
MEA2 HK : 167 records
* link:documents/20190515/APID_CHECK/MEA2_L0_20190515_TLM_0A7_0630.txt[]
=== when downloading TM from antenna 162 (0xA2)
We didn't see any sequence_number backward, but still some gaps
MEA1 HK : 129 records
* link:documents/20190515/APID_CHECK/MEA1_L0_20190515_TLM_0A2_0628.txt[]
MEA2 HK : 151 records
* link:documents/20190515/APID_CHECK/MEA2_L0_20190515_TLM_0A2_0630.txt[]
