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EOP Prediction Users

EOP Prediction Users. W. Wooden, D. McCarthy, B. Luzum. User Information. Sources of Information Survey questionnaires Product usage Interactive feedback Future Expectations?. Operational System Engineers Academics Scientists. Who are the Users?. Positioning and Navigation.

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EOP Prediction Users

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  1. EOP Prediction Users W. Wooden, D. McCarthy, B. Luzum

  2. User Information • Sources of Information • Survey questionnaires • Product usage • Interactive feedback • Future Expectations?

  3. Operational System Engineers • Academics • Scientists Who are the Users?

  4. Positioning and Navigation Research Pointing Timekeeping Why do they want predictions?

  5. Users’ Manual • Data • Accurate • Dependable • User friendly DELIVER ON DEMAND SOFTWARE With Test Data What do they want? It depends on the application

  6. General Requirements • One unique set of IERS prediction products • Easily accessible • User friendly • Reliable • Meets users’ needs for • Accuracy • Update frequency • Spacing • Prediction interval • Metadata

  7. Operational and Scientific Users of Polar Motion Predictions Operational and Scientific Users of UT1-UTC Predictions Accuracy?

  8. Scientific Users Prediction Length? Operational Users

  9. Scientific Users Update Frequency? Operational Users

  10. Spacing? Operational Users Scientific Users (Some also want analytical expressions)

  11. How do they want to receive predictions? Operational Users Scientific Users

  12. Future Users? • Probably about the same mix of operational and scientific users • Some “specialty” users • Real-time availability • Particularly UT1 • Order of magnitude improvement in accuracy • New Products

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