1. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 4th SKADS WORKSHOP 02-03 October 2008 in Instituto Superior Técnico, Lisbon Purpose:Review SKADS status and discuss Progress Discuss remaining key outstanding issues Assess technological readiness of sub-systems Identify any deliverables ‘at risk’ Plan successful completion of SKADS Prepare SKADS last year toward AAVP/PREPSKA Activity focussed around evolving Deliverables and technical readiness Mechanism:Arrange by topic Need to deliver a viable and thought out design-scenario for SKA Identify the difficult elements of the system design and the approach to their resolution Ingredients:Great environment Motivated colleagues To days of active interactions Remember:Do not hesitate to ask questions in- and outside meeting

2. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 DAY 1 Thursday 2 October 08.30 Registration and coffee 09.00 Opening and Welcome Professor Carlos Matos Ferreira, President of IST 09.05 Introduction Peter Wilkinson UMan 09.20 Overview SKADS – into final year Arnold van Ardenne ASTRON 09.40 SKADS and SKA Andrew Faulkner UCam 09.55 SKADS Science and Engineering Steve Torchinsky OPar 10.10 Science and Data Simulations Chair: Thijs van der Hulst Science Simulations overview 10 min Steve Rawlings UOxf Pulsars 10 min Roy Smits UMan An inventory of the SKADS tools to a full SKA simulation 10 min Hans-Rainer Kloeckner UOxf Epoch of Reionisation 10 min Mario Santos CENTRA-IST The evolution of magnetic fields in galaxies 10 min Tigran Arshakian MPIfR 11.00 Coffee Break 11.20 Data simulations overview 10 min Jan Noordam ASTRON Array Configuration Studies 10 min Dharam Vir Lal MPIfR Simulated Observations 10 min Robbie Auld Cardiff SKADS Sky databases 10 min Francois Levrier UOxf Discussion 10 min 12.10 Lunch at Restaurant Diamantino 13.30 System Design Chair: Paul Alexander Design and Costing - 2 20 min Rosie Bolton UCam AA simulations 10 min Ben Mort UOxf SD - 1 10 min Laurens Bakker ASTRON SD - 2 10 min Philippe Picard OPAR Sensitivity, the challenges 20 min. Jan Geralt bij de Vaate ASTRON Discussion 10 min 14.50 Technologies – 1a Chair: Jan Geralt bij de Vaate EMBRACE 20 min Dion Kant ASTRON Prototype tile measurements 10 min Mark Ruiter ASTRON Solar drift scans 10 min Henrik Olofsson OPAR 15.30 Tea Break

3. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 15.50 Technologies – 1b Antenna simulation, realization and verification 10 min Michel Arts ASTRON Antenna simulations 10 min David Zhang UMan CMOS for LNA’s 10 min Leo Belostotski Uni Calgary (presented by Andrew Faulkner) Progress in differential amplifiers 10 min Oscar Garcia Pérez FG Results with InP 10 min Boume Boudjelida UMan Progress in LNA's using GaAs and SiGe 10 min Danielle Kettle UMan (presented by Jan Geralt bij de Vaate) Discussion 10 min 17.00 Technologies - 2 Chair: Mike Jones 2-PAD 20 min Georgina Harris/Tony Brown UMan 2-PAD from antennas to beamforming 10 min Kris Zarb Adami UOxf Analogue beamforming 10 min Séverin Barth OPAR Digital beamforming 10 min Aziz Ahmedsaid UMan Processing technologies 10 min Chris Shenton UMan Discussion 10 min 18.10 Close first day 19.30 Conference dinner: Casa do Alentejo Rua Portas de Santo Antão, 58 1150-268 Lisboa Tel. +351 213 405 140

4. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 DAY 2 Friday 3 October 8.30 Technologies - 3 Chair: Wim van Driel BEST 20 min Stelio Montebugnoli INAF-IRA BEST receivers 10 min Jader Monari INAF-IRA BEST optical links 10 min Federico Perini INAF-IRA Progress in Active Antenna Design & Development 10 min Tim Finn FG Wide area comms & phase transfer 20 min Roshene McCool SPDO RF fiber optics 10 min Thomas Berenz MPIfR RFI mitigation developments 10 min Cédric Viou OPAR Back-end processing 10 min André Gunst ASTRON 10.00 Technical Readiness Review 10 min Andrew Faulkner UMan Discussion 20 min 10.30 Coffee Break 10.55 From SKADS to PrepSKA, pathfinder status Richard Schilizzi SPDO Deliverable status review Chair: Andre van Es 11.15 DS2-T1 Science simulations Thijs van der Hulst RUG DS2-T2 Data Simulations “ 11.25 DS3-T1 Network Infrastructure & Data Transmission Paul Alexander UCam DS3-T2 Data Handling, Control & Dist. Computing “ DS3-T3 Architecture and the Network Simulator “ DS3-T4 A study of siting and related issues “ DS3-T5 SKA for the user “ DS3-T6 Scaleable design and implementation “ 11.35 DS4-T1 Front End technologies Andrew Faulkner UMan DS4-T2 Signal Control & digitisation “ DS4-T3 RFI mitigation techniques “ DS4-T4 Wideband integrated antennas “ DS4-T5 Beam forming at patch level “ DS4-T6 The 2-PAD demonstrator “ 11.45 DS5-T1 Design of EMBRACE Dion Kant ASTRON DS5-T2 Development of EMBRACE as a system “ DS5-T3 EMBRACE assessment of performance “ 11.55 DS6-T1 Design of sub-systems Stelio Montebugnoli INAF-IRA DS6-T2 Development and demonstration “ DS6-T3 Assessment of performance “ DS6-T4 Phased arrays on concentrators “ 12.05 Overall Discussion Chair: Arnold van Ardenne 12.20 Conclusions Peter Wilkinson UMan 12.30 End of Workshop Lunch at Restaurant Diamantino

5. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 SKADS; The European SKA Design Study towards the Square Kilometre Array The electronic pointing and control concept for the SKA A European project involving 26 partners from Radio Astronomy Institutes, Universities and Industry in 9 EU countries plus Russia, South Africa, Australia & Canada A Cohering Program toward mid-2009 www.skads-eu.org SKADS Status April 2008 SKA Phase 1

6. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 Netherlands UK France Italy Germany Spain Poland Sweden Portugal In SKADS (drawing on EC funds): Canada Russia South Africa Australia Associates with no contractual obligations to/from SKADS US (USSKAC) China (NAOC) Partners in EU Countries, others and associates

7. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 SKADS Partners

8. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 Planned Total funding 38M€ (28M€)program EC funding 10.44 M€ Industry involved from the start SKADS aims to –Demonstrate SKA Scientific Viability and Readiness –Demonstrate cost-effective Engineering Solutions and Technological Readiness –Deliver a costed SKA Design Where are we: SKADS Objectives(1) Actual today (Est.) Eligible cost total estimated 23M€ EC funding 10.44 M€ o.k. (no underspending) Industry involved from the start o.k. SKADS aims to –Demonstrate SKA Scientific Viability and Readiness –Demonstrate cost-effective Engineering Solutions and Technological Readiness –Deliver a costed SKA Design Work has Clear objectives, Milestones and Deliverables to provide outcomes in measurable and verifiable form Note: SKADS Objectives do not include to prove scientific performance capability of AA’s:

9. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 Activity Scope Distribution of work (% of total) Planned Distribution of work (% of total) Actual today (Est.)Comment Organization & Management810 As planned, relative increase System level Aspects2226 More work in DS2, DS3 on track Tile Level Technologies30 Slower start in DS4; fraction same Demonstrators30 Slower rampup in DS5; fraction same Assessments and Integration Plan104Will increase in yr4 Level 0 Deliverables63(now 38)63(now 33) Relative fraction increasing SKADS Objectives (2)

10. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 DS1Management DS2Science and Astronomical Data Simulations DS3The Network and its Output Data DS4Technical Foundations and Enabling Technologies DS5Aperture Array Demonstrator DS6Cylindrical Concept Demonstrator DS7Assessment of Preparatory Work & Studies DS8Overall System Design and Preliminary SKA Plan Structure optimized to continuously map the scientific requirements on the technical specifications to produce a common design goal SKADS design studies Coordinator: AvA, ASTRON Project Manager: Andre van Es, ASTRON Project Scientist: Steve Torchinsky, Observatoire de Paris Project Engineer: Andrew Faulkner, Univ. Manchester

11. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 SKADS progress SKADS now in finalizing third year AR and preparing for last year. –new: emphasizing system design and technology readiness No delay of end date; expected to finalize @ nominal date 1 July 2009 Aim for final 5th SKADS WS in Oct.2009 Connected to PREPSKA and now preparing for next step i.e. AAVP (“Aperture Array Verification Program”) Next Board meeting in Madrid 22-23/01/09

12. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 Leadership adaptation Leonid Gurvits Dion Kant

13. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 SKADS DOW Workshops 1 ST SKADS Workshop 4 th September 2006 in OBSERVATOIRE DE PARIS (combined with SKA workshop) 2nd SKADS WORKSHOP 10-11October 2007 in OBSERVATOIRE DE PARIS, site Meudon Purpose: Review SKADS progress, Opportunities and risks, Prepare for Mid-Term Review12 th October, Prepare SKADS for 2nd half of project Activity focussed around evolving SKADS Benchmark Scenario Today: 3d SKADS (Mini) Workshop 10 April 2008 Curtin University, Perth (W.A.) Focussed around science, design and costing Now: 4th SKADS Workshop 02- 03 September 2008 Lisbon (Port.)

14. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 Connection to Global SKA activity Representation on the ISSC –2x/yrs, reports and telecons Representations on EWG and SWG –EWG: 2 chairs, 5 members –SWG: about 20 members Coordination in collaboration in organization of workshops and schools –Technical Conferences e.g. dedicated SKA sessions and invited presentations –Upcoming URSI Chicago 2008 –Astronomy and general Science –Marie Curie workshops participations/lecturers are not only drawn from Europe Common activities e.g. –Development of Costing Tool –SKA(DS) Virtual Telescope: Status? Use the LOFAR connect to promote LOFAR technology as a viable low frequency technology for the SKA Contributed to establishing a successful PREPSKA proposal Now involved into setting up AAVP to prove Astro&Techno readiness

15. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 SKADS Marie Curie Three year SKADS Marie Curie Training and Conference program 2007- 2009 Young scientist and engineers –6 Workshops, 4 held (ASTRON, RUG/JIVE, Bonn, Cambridge) –3 Schools, 2 held (Bologna, Siguenza/Spain) –10 participating institutes Next Workshop in Oxford in 15-27 March Oxford

16. Arnold van Ardenne SKADS Status 4 th SKADS Workshop, Lisbon, 2-3 October 2008 Program details and planning