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GERB4 Satellite Project Update: Team, Programmatic Status, and Battery Replacement |

Get the latest on GERB4 Consortium's progress with ESA, EUMETSAT funding, system operation, and battery issues. Includes updates on GERB1 and GERB3. |

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GERB4 Satellite Project Update: Team, Programmatic Status, and Battery Replacement |

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  1. GERB Project Status 22/03/2004

  2. 21th GISTGERB Project Status • GERB 4 team and programmatics • Status of GERB4 • Battery issues • Status of GERB 1 and 3

  3. 21th GISTGERB4 Project Status • Same build standard as GERB 3? • Same team as GERB 3

  4. GERB 4 Consortium ESA Procures GERB4 For EUMETSAT EUMETSAT Funds GERB4 Operates the system RAL (UK) Program Management, System Engineering, AIT, Post-delivery support, Ground Segment, IOU, IEU &EGSE Galileo Avionica (Italy) Descan mechanism Quartz Filter Mechanism AMOS (Belgium) Telescope assembly AEAT (UK) Black body Imperial College (London) PI, Science and Calibration Leicester University (UK) Detector blackening, Signal conditioning and Front end electronics

  5. 21th GISTGERB4 Project Status Status of GERB4 • Project kick-off on Jan 04. • Subcontractors Kicked off.

  6. 21th GISTGERB4 Project Status Status of GERB4 • Delivery of subsystems at RAL due end ‘04. • AIT at RAL completed for June 2005 • Completion of calibration Nov. 2005

  7. 21th GISTGERB4 Project Status

  8. 21th GISTGERB Project Status • Battery issues • Status of GERB1 and 3

  9. 21th GISTGERB Project Status Battery issue • Back up battery on GERB 1 found to be flat at Alcatel. • Battery design found to be marginal. • Agreed that battery will be replaced on GERB 1,3&4

  10. 21th GISTGERB Project Status Battery replacement • Proposals have been agreed with ESA that enable safe switch down without battery power. • New emergency power source is the nominal survival heater supply • Relatively simple modifications will be incorporated and the units (1&3) re-qualified.

  11. 21th GISTGERB1 Project Status Status of GERB1 • Battery replacement installed • Environmental re-testing completed • Unit due for delivery back to Alcatel end March 04

  12. 21th GISTGERB3 Project Status Status of GERB3 • Delivered to Alcatel in June • Integrated onto MSG 3 • Completed thermal vacuum tests. • Will be returned for battery modifications and calibration check Spring ‘04.

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