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Preparing for Liftoff

Making headway with Sentinel-3 testing

10 Dec 2015, 17:43 UTC
Making headway with Sentinel-3 testing
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From the ESA Sentinel-3 launch campaign team
Testing is going on well. Today the satellite’s attitude and orbit control system was checked, and we ran tests on the Sea Land Surface Temperature Radiometer (SLSTR) and on the Microwave Radiometer (MWR).
All these tests were run using the radio frequency up & down link, this way our S-band subsystem was exercised.
This evening the authentication test and last part of the onboard computer (SMU) cross check is being performed.
Further testing of the S-band subsystem, the Synthetic Aperture Radar Altimeter (SRAL) and the last remaining test on DORIS (which is used for precise orbit determination) is planned for tomorrow.
Also, we have verified the communication link between ESA’s Space Operations Centre ESOC in Germany and the MIK here.
Tomorrow, we plan to perform the same checkout from the ‘under table’ room at the launch pad.
On the Russian side, the Rockot booster is ready and will be rolled out to the launch pad tomorrow. Electrical check-outs of the Breeze upper stage will also be completed tomorrow with the run of a final system test.
After that, the Breeze and the fairing will be assembled and rolled out to the launch pad ...

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