Monday, November 26

Registration
9:00 AM - 10.00 AM

Opening session
10:00 AM
Welcome
M. Garrett, ASTRON, Dwingeloo, The Netherlands.
W. van Cappellen, ASTRON, Dwingeloo, The Netherlands.

10:15 AM
Tutorial lecture: Scientific applications of the antenna array technology in
radio astronomy.
T. Oosterloo, ASTRON, The Netherlands.

11:00 AM - 11.30 AM
Coffee break

Session I: Antenna array modeling and design
Chair: K. F. Warnick, Brigham Young University, UT, USA.

11.30 AM
Tutorial lecture: Characterizing FPA-fed reflectors in terms of
classical subefficiencies and array methods.
P.-S. Kildal, Chalmers University of Technology, Sweden.

12.15 PM
Tutorial lecture: Fundamentals of phased array antennas.
P. Patel, ASTRON, Dwingeloo, The Netherlands.

1.00 PM – 2.15 PM
Lunch break

2.15 PM
Tutorial lecture: Coupling efficiency as a quantity of mutual coupling effects
in focal plane arrays. Definitions and analysis for practical examples.
M. Ivashina, ASTRON, Dwingeloo, The Netherlands.

3.00 PM
Tutorial lecture: Fast numerical analysis of finite antenna arrays. Application
examples.
C. Craeye, Université catholique de Louvain, Louvain-la-Neuve, Belgium.

3.45 PM – 4.15 PM
Coffee break

4.15 PM
Tutorial lecture: Efficient numerical modeling of large finite antenna arrays.
Application of CBFM to practical problems.
R. Maaskant, ASTRON, Dwingeloo, The Netherlands.

5.00 PM - 5.30 PM
Electromagnetic development of broadband antenna feeding arrays for the
Northern Cross Radio Telescope.
G. Virone, Politecnico of Turin, Italy.

Tuesday, November 27

Session III: Antenna system analysis (Part I)
Chair: P.-S. Kildal, Chalmers University of Technology, Sweden.

9.30 PM
Tutorial lecture: Array configurations: regular lattice, sparse arrays and
performance trade-off aspects.
A. K Brown, University of Manchester, UK.

10.15 PM
Tutorial lecture: Efficiency and sensitivity definitions for reflector antennas
in radio-astronomy.
W. van Cappellen, ASTRON, Dwingeloo, The Netherlands.

11.00 AM – 11.30 AM
Coffee break

11.30 AM
Tutorial lecture: Beam Sensitivity, Efficiency and Receiver Noise Models for
Focal Plane Arrays.
K. F. Warnick, Brigham Young University, UT, USA.

12.15 AM
Noise temperature calculation for phased array systems.
E.E.M. Woestenburg, ASTRON, Dwingeloo, The Netherlands.

1.00 PM – 2.15 PM
Lunch break

2:15 PM - 3.15 AM
Visit of ASTRON lab facilities

Session IV: Examples of practical antenna array systems
Chair: P. Patel, ASTRON, Dwingeloo, The Netherlands.

3.15 PM
Aperture array demonstrator EMBRACE.
D. Kant, ASTRON, Dwingeloo, The Netherlands.

4.00 PM
A generalized approach to model complex antenna array systems:
Part I: Dedicated software CEASAR for modeling of receiving arrays and
some examples.
R. Maaskant, ASTRON, Dwingeloo, The Netherlands.

Part II: An FPA prototype system model and measurements of the FPA
demonstrator at the radio telescope.
M. Ivashina, ASTRON, Dwingeloo, The Netherlands.

4.45 PM
An FPA prototype system modeling and design at NRAO.
K. F. Warnick, Brigham Young University, UT, USA.

Wednesday, November 28

Session V: Low Noise Amplifiers
Chair: J.-G. Bij de Vaate, ASTRON, Dwingeloo, The Netherlands.
Co-Chair: J. Monari, Ira, Italy.

9.30 AM
Tutorial lecture: Fundamentals of Low Noise Amplifiers (LNAs).
E.E.M. Woestenburg, ASTRON, Dwingeloo, The Netherlands.

10.15 AM
Tutorial lecture: Monolithic Microwave Integrated Circuit (MMIC) LNA
designs: theory and examples.
D. Kettle, University of Manchester, UK.

11:00 AM - 11.30 AM
Coffee break

11.30 AM
LNA design examples for differential antenna structures.
J.-G. Bij de Vaate, ASTRON, Dwingeloo, The Netherlands.

12.00 AM
Receiver design for BEST, EMBRACE SKADS prototypes.
J. Monari, Ira, Italy.

12.30 AM
LNAs for low frequency (<1GHz) applications on the Northern Cross Radio
Telescope: design, development and production.
F. Perini, Ira, Italy.

1.00 PM – 2.15 PM
Lunch break

Session VI: Low-cost designs
Chair: P. Patel, ASTRON, Dwingeloo, The Netherlands.

2.15 PM
Industrial design EMBRACE.
M. Drost. ASTRON, Dwingeloo, The Netherlands.

2.45 PM
Low costing array design considerations for SKA.
G. Harris, University of Manchester, The United Kingdom.

3.15 PM
Integrated receiver systems for next generation telescopes.
S. Jackson, CSIRO Australia Telescope National Facility, Australia.

3.45 PM – 4.15 PM
Coffee break

4.15 PM
Low costing arrays of differentially fed TSA elements.
E. Acedo, University of Cambridge, UK.

4.45 PM
Small scale low cost differential SKA(DS) tile development: FLOWPAD3.
J.-G. Bij de Vaate, ASTRON, Dwingeloo, The Netherlands.

Thursday, November 29

Session VII: Beamforming and digital signal processing
Chair: A.-J. Boonstra, ASTRON, Dwingeloo, The Netherlands.

9.30 AM
Tutorial lecture: Receiver architectures and aspects of Signal Processing.
L. Bakker, ASTRON, Dwingeloo, The Netherlands.

10.15 AM
Tutorial lecture: Optimizing LOFAR station processing for EMBRACE.
P. Picard, Nancay, France.

11:00 AM - 11.30 AM
Coffee break

11.30 AM
Tutorial lecture: Digital Signal processing/beamforming.
A.-J. Boonstra, ASTRON, Dwingeloo, The Netherlands.

12.15 AM
Initial tests with the DIGESTIF system.
W. van Cappellen, ASTRON, Dwingeloo, The Netherlands.

13.15 AM
Visit of LOFAR and WSRT.

17:00 PM
Dinner

Friday, November 30

Session VIII: Measurements and experimental techniques
Chair: P.-S. Kildal, Chalmers University of Technology, Sweden.

9:30 AM
Tutorial lecture: Overview of measurement and calibration methods.
S. Wijnholds, ASTRON, Dwingeloo, The Netherlands.

10.15 AM
Tutorial lecture: Measurements of the mutual coupling and radiation
efficiencies of dense wideband arrays in reverberation chamber.
P.-S. Kildal, Chalmers University of Technology, Sweden.

11:00 AM - 11.30 AM
Coffee break

11.30 AM
Preliminary LOFAR calibration and imaging results.
S. Yatawatta, ASTRON, Dwingeloo, The Netherlands.

Session IX: Closing session
Chair: W. van Cappellen, ASTRON, Dwingeloo, The Netherlands.

12.00 AM
Open discussion.

1.00 PM – 2.15 PM
Lunch