INTERNATIONAL UNION UNION OF RADIO-SCIENTIFIQUE RADIO SCIENCE INTERNATIONALE ISSN 1024-4530 Bulletin No 357 June 2016 Radio Science URSI, c/o Ghent University (INTEC) St.-Pietersnieuwstraat 41, B-9000 Gent (Belgium) Contents Radio Science Bulletin Staff ....................................................................................... 3 URSI Offi cers and Secretariat.................................................................................... 6 Editor’s Comments ..................................................................................................... 8 URSI 2017 GASS....................................................................................................... 10 Awards for Young Scientists - Conditions ............................................................... 11 Modifi cation of the Ionosphere by Precursors of Strong Earthquakes ............... 12 50 Years of Arecibo Lunar Radar Mapping ........................................................... 23 Special Section: Joint URSI BeNeLux - IEEE AP-S -NARF Symposium ........... 36 Implementation of Diff erent RF-Chains to Drive Acousto-Optical Tunable Filters in the Framework of an ESA Space Mission .......................................... 37 JS’17 ........................................................................................................................... 44 In Memoriam: Per-Simon Kildal ............................................................................. 45 In Memoriam: Richard Davis .................................................................................. 47 3rd URSI-RCRS ........................................................................................................ 48 Et Cetera .................................................................................................................... 49 EUCAP 2017 .............................................................................................................. 50 Solution Box ............................................................................................................... 51 DIPED 2016 ............................................................................................................... 54 Ethically Speaking .................................................................................................... 55 RFI 2016 ..................................................................................................................... 56 Telecommunications Health and Safety .................................................................. 57 Early Career Representative Column ..................................................................... 60 National Radio Science Meeting USNC/URSI ....................................................... 69 Women in Radio Science .......................................................................................... 71 Report on Frequencies and Radioscience 2016 Workshop ................................... 74 URSI Conference Calendar ...................................................................................... 76 Information for Authors ........................................................................................... 78 Front cover: A schematic overview of S-band (13 cm wavelength) Arecibo-Lunar Reconnaissance Orbiter mapping of the moon. See the paper by Thomas W. Thompson, Bruce A. Campbell, and D. Benjamin J. Bussey, pp. 23-35. The International Union of Radio Science (URSI) is a foundation Union (1919) of the International Council of Scientifi c Unions as direct and immediate successor of the Commission Internationale de Télégraphie Sans Fil which dates from 1914. Unless marked otherwise, all material in this issue is under copyright © 2016 by Radio Science Press, Belgium, acting as agent and trustee for the International Union of Radio Science (URSI). All rights reserved. Radio science researchers and instructors are permitted to copy, for non-commercial use without fee and with credit to the source, material covered by such (URSI) copyright. Permission to use author-copyrighted material must be obtained from the authors concerned. The articles published in the Radio Science Bulletin refl ect the authors’ opinions and are published as presented. Their inclusion in this publication does not necessarily constitute endorsement by the publisher. Neither URSI, nor Radio Science Press, nor its contributors accept liability for errors or consequential damages. 2 The Radio Science Bulletin No 357 (June 2016) Radio Science Bulletin Staff Editor W. R. Stone Stoneware Limited 840 Armada Terrace San Diego, CA 92106, USA Tel: +1-619 222 1915, Fax: +1-619 222 1606 E-mail: [email protected] Editor-in-Chief Production Editors P. Lagasse I. Lievens URSI Secretariat I. Heleu Ghent University - INTEC URSI Secretariat / Ghent University - INTEC Technologiepark - Zwijnaarde 15 Technologiepark - Zwijnaarde 15 B-9052 Gent, BELGIUM B-9052 Gent, BELGIUM Tel: +32 9-264 33 20, Fax: +32 9-264 42 88 Tel: +32 9-264.33.20, Fax: +32 9-264.42.88 E-mail: [email protected] E-mail: [email protected], [email protected] Senior Associate Editors A. Pellinen-Wannberg O. Santolik Department of Physics Institute of Atmospheric Physics Umea University Academy of Sciences of the Czech Republic BOX 812 Bocni II SE-90187 Umea, SWEDEN 1401, 141 31 Prague 4, CZECH REPUBLIC Tel: +46 90 786 74 92, Fax: +46 90 786 66 76 Tel: +420 267 103 083, Fax +420 272 762 528 E-mail: [email protected] E-mail [email protected], [email protected] Associate Editors, Commissions Commission A Commission B P. Tavella K. Kobayashi INRIM Dept. of Electrical, and Communication Engineering Strada delle Cacce 91 Chuo University 10135 Torino, ITALY 1-13-27 Kasuga, Bunkyo-ku Tel: +39 011 3919235, Fax: +39 011 3919259 Tokyo, 112-8551, JAPAN E-mail: [email protected] Tel: +81 3 3817 1846/69, Fax: +81 3 3817 1847 E-mail: [email protected] P. M. Duarte Cruz L. Li Instituto de Telecomunicações School of EECS Campus Universitário de Santiago Peking University P-3810-193 Aveiro, PORTUGAL Room 2843N, Science Building#2 Tel: +351 234377900 Beijing 100871, CHINA CIE E-mail: [email protected] Tel: +86-10-62754409-2 , Fax: +86-10-62754409 E-mail: [email protected] The Radio Science Bulletin No 357 (June 2016) 3 Commission C M. Kurum Department of Electrical and Computer Engineering S. E. El-Khamy The George Washington University Dept. of Electrical Engineering 800 22nd Street Alexandria University - Faculty of Engineering NW, Washington, DC 20052, USA Abou-Keer Street Tel: +1 202 994 6080 Alexandria 21544, EGYPT E-mail: [email protected] Tel: +2010-1497360, Fax: +203 5971853 E-mail: [email protected], [email protected] Commission G A. I. Zaghloul P. Doherty Ece, Virginia Tech Institute for Scientifi c Research 7054 Haycock Rd Boston College 22043 Falls Church, USA 140 Commonwealth Avenue Tel: +1-703-538-8435, Fax: +1-703-538-8450 Chestnut Hill, MA 02467, USA E-mail: [email protected] Tel: +1 617 552 8767, Fax: +1 617 552 2818 E-mail: [email protected] Commission D Commission H G. Gradoni J. Lichtenberger School of Mathematical Sciences Eötvös University University of Nottingham Pazmany Peter Setany 1/a University Park H-1111 Budeapest Nottingham NG7 2RD, UNITED KINGDOM HUNGARY Tel: +44(0)7745368300, Fax: +44(0)1159514951 Tel: +36 1 209 0555 x6654, Fax +36 1 372 2927 E-mail: [email protected], gabriele.gradoni@ E-mail [email protected] nottingham.ac.uk W. Li Commission E UCLA 7127 Math Sciences Bldg F. Gronwald 405 Hilgard Avenue Hamburg University of Technology Los Angeles, CA, 90095, USA Harburger Schloss Strasse 20 E-mail: [email protected] 21079 Hamburg, GERMANY Tel: +49-40-42878-2177 E-mail: [email protected] Commission J G. Gradoni J. W. M. Baars School of Mathematical Sciences Mm-astronomy University of Nottingham Max Planck Institute for Radio Astronomy University Park Auf dem Hügel 69 Nottingham NG7 2RD, UNITED KINGDOM 53121 Bonn, GERMANY Tel: +44(0)7745368300, Fax: +44(0)1159514951 Tel: +49-228-525303 E-mail: [email protected], gabriele.gradoni@ E-mail: [email protected] nottingham.ac.uk Commission F Commission K V. Chandrasekar P. Mojabi Engineering B117 Room E3-504B, EITC Building Colorado State University Electrical and Computer Engineering Department Fort Collins, Colorado 80523 , USA University of Manitoba Tel: +1 970 491 7981, Fax: +1 970 491 2249 Winnipeg, R3T5V6, CANADA E-mail: [email protected], chandra.ve@gmail. Tel: +1 204 474 6754 , Fax: +1 204 261 4639 com E-mail: [email protected] 4 The Radio Science Bulletin No 357 (June 2016) Associate Editors, Columns Book Reviews Solution Box G. Trichopoulos Ö. Ergül Electrical, Computer & Energy Engineering ISTB4 555D Department of Electrical and Electronics Engineering Arizona State University Middle East Technical University 781 E Terrace Road, Tempe, AZ, 85287 USA TR-06800, Ankara, Turkey Tel: +1 (614) 364-2090 E-mail: [email protected] E-mail: [email protected] Historical Papers Telecommunications Health & Safety J. D. Mathews J. C. Lin Communications and Space Sciences Lab (CSSL) University of Illinois at Chicago The Pennsylvania State University 851 South Morgan Street, M/C 154 323A, EE East Chicago, IL 60607-7053 USA University Park, PA 16802-2707, USA Tel: +1 312 413 1052, Fax: +1 312 996 6465 Tel: +1(814) 777-5875, Fax: +1 814 863 8457 E-mail: [email protected] E-mail: [email protected] Historical Column Et Cetera T. Akgül G. Pelosi Dept. of Electronics and Communications Engineering Department of Information