INTERNATIONAL UNION UNION OF RADIO-SCIENTIFIQUE RADIO SCIENCE INTERNATIONALE ISSN 1024-4530 Bulletin Vol. 2018, No. 369 June 2019 Radio Science URSI, c/o Ghent University (INTEC) Technologiepark - Zwijnaarde 126, B-9052 Gent (Belgium) Contents Radio Science Bulletin Staff ....................................................................................... 3 URSI Offi cers and Secretariat.................................................................................... 6 Editor’s Comments ..................................................................................................... 8 Historical Corner Column ......................................................................................... 9 Ernst Lecher and His Wires ..................................................................................... 10 URSI GASS 2020: Call for Papers .......................................................................... 18 URSI Young Scientist Awards .................................................................................. 19 Et Cetera .................................................................................................................... 20 EUCAP 2020 .............................................................................................................. 21 Solution Box: SOLBOX-16: Nano-Link Systems................................................... 22 European School of Antenaas 2019 ......................................................................... 28 Ethically Speaking: Whataboutery ......................................................................... 29 James Clerk Maxwell Newsletter Available ............................................................ 30 Early Career Representative Column: YS and SPC Awards at AP-RASC 2019 31 Report on the Egyptian NRSC 2019........................................................................ 34 URSI Conference Calendar ...................................................................................... 41 Information for Authors ........................................................................................... 42 Become An Individual Member of URSI ................................................................ 43 Cover: (upper fi gure) Lecher lines for UHF from 1938. Both were one-eighth-wavelength long. (l) A 200 MHz (19 cm) line; (r) a 300 MHz (12.5 cm) line (public domain). See the historical paper by Stefano Maddio and Stefano Selleri. (lower fi gure) The power density (dBW/sm) in diff erent frames and regions for a nano-link system and its variations. The mean and maximum power-density values in the output frames are also provided. See the paper in the Solution Box column by Aşkın Altınoklu and Özgür Ergül. 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 © 2019 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 369 (June 2019) 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 Editor P. Van Daele I. Lievens URSI Secretariat URSI Secretariat / Ghent University - INTEC Ghent University - INTEC Technologiepark - Zwijnaarde 126 Technologiepark - Zwijnaarde 126 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], [email protected] E-mail: [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 Nuno Borges Carvalho Tian Hong Loh Instituto de Telecomunicaçoes National Physical Laboratory Universidade de Aveiro, Campus Universitario Hampton Road 3810-193 Aveiro, Portugal Teddington TW11 0LW, United Kingdom Tel: +351 234377900, Fax: +351 234377901 Tel: +44 020 8943 6508 E-mail: [email protected] E-mail: [email protected] Pedro Miguel Cruz Nosherwan Shoaib Rua Sao Sebastiao School of Electrical Engineering and Computer Science (SEECS) n34 Hab 33 National University of Sciences and Technology (NUST) 4520-250 Santa Maria da Feira, Aveiro, PORTUGAL NUST Campus H-12, Islamabad, Pakistan Tel: +351 225898410 Tel: 051 90852561 E-mail: [email protected] E-mail: [email protected] The Radio Science Bulletin No 369 (June 2019) 3 Commission B Tullio Tanzi Télécom ParisTech - LabSoC, c/o EURECOM Andrea Michel Campus SophiaTech Les Templiers Department of Information Engineering 450 route des Chappes 06410 Biot, FRANCE Università di Pisa Tel: +33 0 4 93008411, Fax: 33 0 493008200 Pisa, Italy E-mail: [email protected] E-mail: [email protected] John Volakis Commission G College of Engineering and Computing Florida International University Giorgiana De Franceschi 10555 W. Flagler Street, EC2477 Dept. Arenonomy, Istituto Nazionale di Geofi sica e Miami, FL 33174, USA Vulcanology Tel: +1 305 348 2807 Via di Vigna, Murata 605 E-mail: jvolakis@fi u.edu 00 143 Roma, Italy Tel: +39 06 51860307, Fax: +39 06 51860397 E-mail: [email protected] Commission C Yves Louet Commission H CS 47601, SUPELEC Avenue de Boulaie Jyrki Manninen F-35576 Cesson-Sévigné, France Sodankylä Geophysical Observatory Tel: +33 2 99 84 45 34, Fax: +33 2 99 84 45 99 Tähteläntie 62 E-mail: [email protected] FIN-99600 Sodanskylä, Finland Tel: +358 400 151503, Fax +358 16 610248 E-mail: Jyrki.Manninen@oulo.fi Commission D Naoki Shinohara Commission J RISH Kyoto University Uji 611-0011, Japan Jacob W. Baars Tel: +81 774 38 3807 Fax: +81 774 31 8463 Max Planck Institute for Radio Astronomy E-mail: [email protected] Auf dem Hügel 69 53121 Bonn, Germany Tel: +49 228 525303 Commission E E-mail: [email protected] Virginie Deniau IFSTTAR 20. rue Elisée Reclus BP 70317 Commission K F-59666 Villeneuve d’Ascq Cedex, France Tel: +33 03 20438991 E-mail: [email protected] Kensuke Sasaki Applied EM Research Institute NICT Koganei, Tokyo, Japan Commission F E-mail: [email protected] Haonan Chen Earth System Research lab, Physical Sciences Division NOAA 325 Broadway, Boulder, CO 80305, USA Tel: +1 303 497 4616 E-mail: [email protected] 4 The Radio Science Bulletin No 369 (June 2019) 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] Et Cetera Historical Column T. Akgül G. Pelosi Dept. of Electronics and Communications Engineering Department of Information Engineering Telecommunications Division University of Florence Istanbul Technical University Via di S. Marta, 3, 50139 Florence, Italy 80626 Maslak Istanbul, TURKEY E-mail: giuseppe.pelosi@unifi .it Tel: +90 212 285 3605, Fax: +90 212 285 3565 E-mail: [email protected]. Women in Radio Science Early Career Representative Column A. Pellinen-Wannberg S. J. Wijnholds Department of Physics and Swedish Institute of Space Netherlands Institute for Radio Astronomy Physics Oude Hoogeveensedijk 4 Umeå University 7991 PD Dwingeloo, The Netherlands S-90187 Umeå, Sweden E-mail: [email protected] Tel: +46 90 786 7492 E-mail: [email protected] Ethically Speaking Education Column R. L. Haupt Madhu Chandra Colorado School of Mines Microwave Engineering and Electromagnetic Theory Brown Building 249 Technische Universität Chemnitz 1510 Illinois Street, Golden, CO 80401 USA Reichenhainerstrasse 70 Tel: +1 (303) 273 3721 09126 Germany E-mail: [email protected] E-mail: [email protected] A. J. Shockley E-mail: [email protected] The Radio Science Bulletin No 369 (June 2019) 5 URSI Offi