SWOT PROJECT STATUS T. LAFON. SDT Toulouse 7 JULY SWOT Status

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1 SWOT PROJECT STATUS T. LAFON SDT Toulouse 7 JULY

2 ITEM System Satellite RFU/ DUPLEXER NADIR Ku DORIS Mission ground segment (SDS) MAJOR PHASE B ACTIVITIES OVERVIEW Status System engineering & architecture, documentation flow down and traceability, reviews cycle. Trade study on resolution/ presumming ConsolidateI/FwithJPL Payload. Confirmon boardperformances, securemargins, S/C development plan, PDR preps RFU architecture and performances. RFU Demonstrator integrated tests (Receiver Phase stability), Duplexer breadboards development and tests, multipactiontest. TRL 6 maturation plan. PDR preparation. Securization(obsolescences, criticalprocurements), Developmentcontractin place. Identification of SWOT peculiarities. EQSR + CDR preps. Parts procurement. Continuation of Flight Model development activities. Trade-offs& drivers, architecture, infrastructure, articulation withssalto, interfaces with ADT, development plan. ADT Support/ Processing& expertise SupportADT activities. On BoardProcessor algorithmexpertise, Products definition, Algorithm Flow description, Algos development plan, interfaces with SDS. Continue Simulators and prototyping activities. 2 Preparatory program Participation to SAWG, SDT, ADT, Roadmaps, Supporting preparatory activities with sector players

3 SWOT INFLIGHT CONFIGURATION 3

4 SPACECRAFT Kick Off January 2015 CNES/ TAS negociated to secure Mass/ Power resources and mission level margins, to offer P/L growth capability as recommended at MDR. Mass : additional 100 kgs Power: additional 100 W Key Point Mass Memory I/F with CNES/ TAS/ JPL in March 2015 I/F Spec. agreement Start of Mass memory development Flight system I/F Key Point with JPL/ CNES/ TAS on Sept.15th 2015 Objectives :» Co- Shared Flight system Interfaces status and agreement» Provide «reassuring» way forward towards PDR THALES standard Phase B activities progress as expected: Design, Architecture, Performances, Support Interfaces activities Avionics development Start of platform procurement plan 4

5 TOP priorities: RFU status To prepare and/or to support KaRInand RFU PDRs To demonstrate a level of TRL 6 on all RFU subsystems To anticipate the development of the RFU EM Significanteffort to support KaRIndevelopment and technologydemonstrationobjectives as earlyas startof Phase B. (Unusualratio Phase B budget / Total Budget w.r.t previous CNES programs), CNES & THALES Risk reduction and technology demonstration Phase B Plan deemedadequateby CNES technical management and in line with JPL expectations, 7

6 RFU TECHNOLOGIES ACTIVITIES RFU PDR design All major functions breadboarded Duplexer Switch matrix Breadboard unit testing Hyperbox Receiver Manufactured at EM standard and tested Differential Phase stability : OK Hyperbox upconverter breadboard Duplexer BB1 for RFU level tests 6

7 Science/ Performance/ ADT activities Established a solid performance baseline for spacecraft portion Contribute to the overall performance budget Contribute to resolution/ presum trade-off Work on products definition Pursue low level prototyping and simulation activities Improvement of Hydro simulator Support AIRSWOT campaigns (in situ + ancillary data) Work on the Algorith data flow Propose enhancement OBP algorithms Contribute to OBP robustness assessment & validation Support specificstudies (phenomenology,

8 AIRSWOT Not enoughfeedback at thismoment, to provide a clear assessment of capabilities, At the moment, position isto getthe availabledata over US campaigns and make the most of it with interested communities, IGN plane modifications is still underway. 10

9 Conclusion Phase B activitiesprogressisgood and in line withour common plans, CNES has mobilized significant human and financial resources to keepup withthe varioustechnologychallenges and secure mission margins and P/L interfaces, Project to support science development and prioritize important decisionstrades, Harmonized the Phase B incremental verification milestones approach, addingjoint interface reviewsto securemajor interfaces, Project organizationsare structured. BuiltsolidRelationship. CNES team isreadyto support the final stepstowardpdr 12