Looking at the ISC_Fb logfile, one can find these 2 messages:
- 2024-04-26-02h22m33-UTC>WARNING-[TfbSubFrame::Fill] GPS: 1398133371.600000000 - Source Sc_PR: 22/2000 missing packet(s), 0 data break(s) (missing data are at the end of the vector)
- It means that that 22 Sc_PR Tolm packets over the 2000 expected for a frame at 5Hz are missing.
- 2024-04-26-02h22m33-UTC>ERROR..-[TfbSource::StoreData] producer Sc_PR: overflow at GPS 1398133371.999912050 (received 2021 / expected 2000) (1323 times)
- this one is linked to each channel and it is a tagged message meaning that only the content of the last one is displayed with in parentheses the number of messages produced
- the Sc_PR Tolm packet contains the data of 63 channels: 1323/63 = 21 Tolm packets
- it means that 21 Sc_PR Tolm packets have been added to the 2000 expected
According to these 2 messages, as the frame building is done at 5Hz, it seems that
- at for the frame GPS 1398133371.600000000 + 0.2, 22 Sc_PR Tolm packets were missing
- while for the frame GPS 1398133371.800000000 + 0.2, 21 Tolm packets have been added to the 2000 expected
This plot at its zoom show the LSC_PR_Z_CORR and Sc_PR_MIZ_LSC_CORR for the 2024-04-26-02h22m33 event where
- the purple rectangle show the 22 missing Sc_PR Tolm packect starting at GPS1398133371.7978
- the orange rectangle show the time periode from GPS1398133371.8 to GPS1398133371.8364 where Sc_PR Tolm packets are correctly received but the channels content are at zero at for the Sc_PR_MIZ_LSC_CORR one
Related the 2024-04-13-19h35m32 Sc_PR event
ISC_Fb logfile report
- 2024-04-13-19h35m31-UTC>WARNING-[TfbSubFrame::Fill] GPS: 1397072149.600000000 - Source Sc_PR: 230/2000 missing packet(s), 0 data break(s) (missing data are at the end of the vector)
- 230 Sc_PR Tolm packet missing for the 5Hz frame time stamped 1397072149.600000000
- 2024-04-13-19h35m31-UTC>ERROR..-[TfbSource::StoreData] producer Sc_PR: overflow at GPS 1397072149.999912000 (received 2230 / expected 2000) (14490 times)
- 230 Sc_PR Tolm packets have been added to the 2000 expected for the last frame GPS 1397072149.8 + 0.2
This plot show the LSC_PR_Z_CORR, Sc_PR_MIZ_LSC_CORR and others Sc_PR channel for this event where
- the purple rectangle show the 230 missing Sc_PR Tolm packect starting at GPS1397072149.7770
- the orange rectangle show the time periode from GPS1397072149.8 to GPS1397072149. 8355 where Sc_PR Tolm packets are correctly received but the Sc_PR channels content are at zeros