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Monitoring Herschel Telescope TemperaturesWe need to monitor the temperature of the Herschel Telescope as it affects the FTS pipeline tasks. This is particularly important during Comissioning and PV phases. | ||||||||
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< < | There is a definition of a satellite housekeeping product in the Auxiliary Products Specification. This lists the temperature parameters and details their APID, type and sub-type. Unfortunately the satellite housekeeping product will not be implemented. Therefore, we have to get hold of these parameters ourselves. | |||||||
> > | There is a definition of a satellite housekeeping product in the Auxiliary Products Specification. This lists the temperature parameters and details their APID, type and sub-type. Unfortunately the satellite housekeeping product will not be implemented, but PACS are working on an implentation using BinStruct to produce a Trend Analysis product for each operational day. | |||||||
Herschel Auxiliary Products Specification document![]() | ||||||||
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Reading the temperatures | ||||||||
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< < | To convert the packets, we need the spacecraft MIB. This should be loaded onto the machines at ESAC that run the SPG, but we don't have it at RAL to test any scripts at the moment. The spacecraft MIB is loaded in SCOS on the PISA machines at the MOC, but not into the HCSS software. | |||||||
> > | To convert the packets, we need the spacecraft MIB. This should be loaded onto the machines at ESAC that run the SPG, but we don't have it at RAL to test any scripts at the moment. The spacecraft MIB is loaded in SCOS on the PISA machines at the MOC. | |||||||
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< < | What BinStruct is needed for is to apply the conversion and interpret the packets using the spacecraft MIB. | |||||||
> > | What BinStruct is needed for is to apply the conversion and interpret the packets using the spacecraft MIB. | |||||||
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< < | We tested whether these parameters are connected by examining SCOS on the machine at Kourou. This shows the actual telescope temperatures on the spacecraft in Kourou: | |||||||
> > | We tested whether these parameters are connected by examining SCOS on the machine at Kourou. This shows that these parameters do contain real temperatures at the moment: | |||||||
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Monitoring Herschel Telescope Temperatures | ||||||||
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> > | Reading the temperatures | |||||||
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> > | To convert the packets, we need the spacecraft MIB. This should be loaded onto the machines at ESAC that run the SPG, but we don't have it at RAL to test any scripts at the moment. The spacecraft MIB is loaded in SCOS on the PISA machines at the MOC, but not into the HCSS software.
What BinStruct is needed for is to apply the conversion and interpret the packets using the spacecraft MIB.
We tested whether these parameters are connected by examining SCOS on the machine at Kourou. This shows the actual telescope temperatures on the spacecraft in Kourou:
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-- EdwardPolehampton - 23 Feb 2009 | ||||||||
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> > |
Monitoring Herschel Telescope TemperaturesWe need to monitor the temperature of the Herschel Telescope as it affects the FTS pipeline tasks. This is particularly important during Comissioning and PV phases. There is a definition of a satellite housekeeping product in the Auxiliary Products Specification. This lists the temperature parameters and details their APID, type and sub-type. Unfortunately the satellite housekeeping product will not be implemented. Therefore, we have to get hold of these parameters ourselves. Herschel Auxiliary Products Specification document![]() From CCUATwo source packets are possible, both with TYPE=3, SUBTYPE=25, APID=18 and either PI1=9752 or PI1=22820. In both cases, the corresponding SCOS-2000 packet has SPID=260141999.
From CCUBTwo source packets are possible, both with TYPE=3, SUBTYPE=25, APID=18 and either PI1=10922 or PI1=23600. In both cases, the corresponding SCOS-2000 packet has SPID=260144999.
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