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Discussion points on Satellite Missions Bureau (SMB)

Discussion points on Satellite Missions Bureau (SMB). Mar 19, 2008. White Paper – The Basics. Target Audience: GGOS SC and Science Panel Purpose: Describe the mission and roles of the SMB Contents: TBD…. Basic Questions. What questions should the white paper answer?

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Discussion points on Satellite Missions Bureau (SMB)

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  1. Discussion points on Satellite Missions Bureau (SMB) Mar 19, 2008

  2. White Paper – The Basics • Target Audience: GGOS SC and Science Panel • Purpose: Describe the mission and roles of the SMB • Contents: • TBD…

  3. Basic Questions • What questions should the white paper answer? • 1: Why does GGOS need a Satellite Mission Bureau? • 2: What is the role of the GGOS Satellite Mission Bureau? • Does this white paper attempt to answer “if” and define “how” satellite missions are a “component” of the Global Geodetic Observing System? • Option-1: No, this is already done within the GGOS2020 document. • Option-2: Yes, because more specific input is needed for SMB definition. • Other questions may arise during discussions.

  4. Why does GGOS need an SMB? • To establish and help realize those GGOS goals and requirements which depend on Earth satellite missions. • Could other GGOS organizational entities fill this role? • Yes, with respect to: • Standards, conventions and data products • mature services using mature satellite tools • No, with respect to: • Multi-technique or multi-mission requirements • Continuity and planning for future

  5. What is the role of the SMB • Bridge between geodetic user-community, GGOS and the space missions • “Keeper” of requirements for space-based measurements • Advocacy of satellite missions required for geodesy • Source of information and expertise on relevance of satellite missions for geodesy. • Interface between GGOS and CEOS, in order to • Strengthen geodetic elements of CEOS missions • Improve prospects for space missions that meet requirements of GGOS • Interface between GGOS and ICG, in order to • Advocate GNSS requirements for satellite missions

  6. A Basic Question • Does GGOS have a satellite mission component? • How specifically does GGOS define its satellite mission component? • For example, is it “Radar Altimetry” or is it “Jason-1” ? • Why does this question need to be answered? • The answer is not relevant for integration at data products level. • The answer is relevant at the level of mission design and implementation. • Answer to this question helps define SMB role in the potential “Integration at Infrastructure Level” of satellite missions into GGOS – which helps in: • Establishing compatibility between mission design and GGOS requirements; • Integrating observing strategies across multiple platforms. • Has this question been already answered in GGOS2020 Document? • Need to have “guiding principles” for satellite missions for geodesy.

  7. The Output of the SMB • The traceability from GGOS Functional/Operational requirements to satellite missions and measurement systems. • Verification of contributions from satellite missions to the GGOS measurement requirements. • Measurements and mission priorities • Shouldn’t this be a GGOS output? • Plans for advocacy of satellite missions • Library of mission-related information

  8. More Questions (a) • Which “Satellite Missions”? • Every mission that directly or indirectly fulfills the goals of the GGOS • Which means pretty much every Earth observing mission. • Are some missions “more geodetic” than others? • This distinction may be necessary for several reasons, including practical necessity and too much potential conflict between a mission’s prime science goal and its geodetic contributions. • If the goal is to plug the SMB into entities responsible for planning future geodetic missions, what interfaces are necessary and/or sufficient? • CEOS, ICG are the two suggested so far. Are they sufficient?

  9. More Questions (b) • Depth of penetration by the SMB on satellite-based measurement requirements: • Limited to specifications in data product domain? • Also develop measurement requirements? • Add instrumentation preferences? • (not a question) The analyses require more than just the SMB, so requires participation from other GGOS entities. • As always, who pays for all this?   • Well thought-out work plan is needed.

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