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US Technology Development for the Square Kilometer Array The Large-N/Small-D Concept

Jim Cordes Cornell University. US Technology Development for the Square Kilometer Array The Large-N/Small-D Concept. US SKA Consortium Purpose: to coordinate SKA activities in the U.S. Chair: Yervant Terzian (Cornell) Vice Chair: Jack Welch (UCB). Caltech/JPL Cornell/NAIC

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US Technology Development for the Square Kilometer Array The Large-N/Small-D Concept

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  1. Jim Cordes Cornell University US Technology Development for the Square Kilometer Array The Large-N/Small-D Concept SKA2004 Penticton

  2. US SKA ConsortiumPurpose: to coordinate SKA activities in the U.S.Chair: Yervant Terzian (Cornell)Vice Chair: Jack Welch (UCB) Caltech/JPL Cornell/NAIC Harvard/Smithsonian MIT/Haystack NRAO NRL SETI Institute UC Berkeley University of Illinois University of Minnesota University of New Mexico University of Wisconsin Virginia Tech SKA2004 Penticton

  3. US NSF Support • Current NSF Support: 3 yr/$1.5M grant from the Advanced Technology and Instrumentation program • TDP Proposal • Guidelines from the NSF June 2003 • Discussion and outline phaseJuly-Sept 2003 • Task identification and organizationOctober 2003 • Development of TDP Management Plan November 2003 (approved) • Identification of workplan, tasks,timeline, budgets, and writing Oct 2003 – Feb2004 • Submitted to the NSF March 2004 • Reverse site visit to the NSF October 2004 • Initial funding 2005.0 (?) SKA2004 Penticton

  4. The US SKA Consortium’s Technology Development Project Overarching goal: develop the LNSD concept so that it will be an integral part of the international SKA project. • End-to-end design concept • Costing consistent with anticipated budget ceiling • Timeline and milestones consistent with the overall project timeline set by the International SKA Project • Significant Education and Public Outreach Component SKA2004 Penticton

  5. The US SKA Consortium’s Technology Development Project Technical aspects of the TDP: • Optimize antenna/receiver design • Develop manufacturing process for low-cost antennas • Define and develop plausible plan for wideband signal transport and digital processing • RFI mitigation and management • Post processing for large FOV surveys (innovations in high performance computing, networking; IVO) • Operations and maintenance plan • Costs and trades SKA2004 Penticton

  6. 5-year Technology Development Project 7 main work areas (“Subprojects”) • Antennas and receivers • Signal transport and digital processing • Systems analysis and design • Construction and Operations costing • The ATA as a development facility for SKA feeds, receivers, RFI, large-N ops • Siting the SKA in the US • Education and Public Outreach SKA2004 Penticton

  7. Proposed Subproject Funding EPO Siting ATA Antennas & Rx Ops System Analysis & Design Data Trans SKA2004 Penticton

  8. p. 33 of TDP proposal SKA2004 Penticton

  9. The International SKA Project Office (ISPO) Strong relationship with and reliance on the ISPO • Developing the science case • Identifying and leveraging synergies between national efforts • Converging on a design and site for the SKA • Developing an international demonstrator • Identifying funding Funds requested in the TDP proposal for the US contribution to the ISPO: • Project Director (Schilizzi) • Project Engineer (Hall) • Project Scientist (≥ 2006) • Travel expenses, RFI characterization, website, etc. SKA2004 Penticton

  10. SKA2004 Penticton

  11. SKA Demonstrators Related to the US Plan • The Allen Telescope Array • Science and technology, calibration, costing • The DSN Array • Technology (antenna development) • EVLA • Networking, operations, science • LOFAR • Science, calibration • 6m reflectors • ATA antenna copy as feed/receiver test platform • Cut and paste tests • “12m” reflectors • Symmetric designs • Off-axis designs • 12m + 4m skirt SKA2004 Penticton

  12. SKA2004 Penticton

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