EMC <strong>2005</strong>THE VI TH INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETICCOMPATIBILITY AND ELECTROMAGNETIC ECOLOGYSt - Petersburg, Russia, 21 - 24 <strong>June</strong> <strong>2005</strong>The VI th International Symposium on ElectromagneticCompatibility and Electromagnetic Ecology (EMC-<strong>2005</strong>)was held from 21 to 24 <strong>June</strong> <strong>2005</strong> at the St - Peterburg StateElectrotechnical University “LETI”, Russia. The meetingwas attended by 152 participants (103 Russian and 49foreign scientists) from 21 countries.As in the preceeding years, the Symposium wassponsored by the Institute of Electrical and ElectronicsEngineers (IEEE), the IEEE Electromagnetic CompatibilitySociety (EMS-society), the International Union of <strong>Radio</strong><strong>Science</strong> (<strong>URSI</strong>) and the Research-and-production Enterprise“Proryv” (official Partner of the Symposium) and has beenjointly organized by the St - Petersburg State University“LETI”, the St - Petersburg Scientific and Technical Societyof <strong>Radio</strong> Engineering, Electronics and Communication(named after A.S.Popov), the Leningrad <strong>Radio</strong> Researchand Development Institute and Discone-Centre Ltd., inCooperation with the Federal Agency for Education, theMinistry of Information Technologies and Communicationsof the Russian Federation, the Russian Academy of <strong>Science</strong>s,the Users Association of Natural <strong>Radio</strong>-Frequency, theResource-National <strong>Radio</strong>association, the St-Petersburg StatePolytechnical University, the St- Petersburg State Universityof Telecommunications (named after M.A. Bonch-Bruevich), the St-Petersburg State Maritime TechnicalUniversity, the Moscow Technical University ofCommunication and Information <strong>Science</strong>, the<strong>Radio</strong>frequency Centre of the North-West Federal District,the Research Institute of <strong>Radio</strong>, the Research Institute ofPulse Engineering, the Research Test Centre for EMC, theResearch-and-production Enterprise “Proryv”, the KedahElectronics Engineering, the IEEE Russian (North-West)Section, the Russian Branch of IEEE “Engineeringmanagementand the Elemcom Ltd.Prof. M. Ianoz acted as Symposium Vice-President.The Technical Program Committee was chaired by Prof.N.Korovkin from the St-Petersburg State PolytechnicalUniversity and the Scientific Secretary of the Symposiumconsisted of Dr. S. Shostakovich, General Director ofDiscone-Centre Ltd., Dr. P. Asovich and Dr. V. Gutin.A number of international and national professionalorganizations (e.g. IEEE, EMC-society, and <strong>URSI</strong>)cooperated at the EMC <strong>2005</strong> meeting. As in the past <strong>URSI</strong>Commissions E sponsored 15 students from Russia andforeign countries.A total of 174 carefully selected technical papers werepresented in 10 sessions devoted to: EMC of ElectricalPower Equipment, Spectrum Management and Monitoring,Biological Effects of electromagnetic (EM) Field, NaturalEM Radiations, Sources and Influence, Antennas andPropagation, EMC Related to PCB’s and ElectronicComponents, EMC Monitoring Measurements,Certification, Test Equipment, Electromagnetic Interactionand Shielding, <strong>Radio</strong> Electronic Equipment design withregard to EMC, EMC in <strong>Radio</strong> Communication Systems,and Workshop “Shipbord EMC”. The full text of thepresentations has been made available in the symposiumproceedings and on a CD-ROM.The emphasis of the Symposium was on the field of EMCMonitoring, active diagnostics, measurements, certificationand biological effects of Electromagnetic Fields, anestimation of the influence of external ElectromagneticFields on the measuring accuracy, a design of measuringdevices and an immunity test simulationfor conductiveinterferences.The EMC Symposium was introduced by threelectures, devoted to the latest achievements of science andengineering. Especially, the lectures from Prof. M.Ianozand Prof. M.Korovkin, “Progress in the PLC developmentduring the years 2003-2004” and from Prof. Yu.G.Grigoryev“Electromagnetic fields of mobile radio communicationand hazard estimation for the Population” were a greatsuccess.As usual, the Technical Exhibition has significantlycontributed to the success of the VI-th InternationalSymposium on Electromagnetic Compatibility andElectromagnetic Ecology (EMC-<strong>2005</strong>) by demonstratingthe fast conversion of theoretical knowledge into state-oftheart hardware and software.The traditional inquiry returned some very interestingsuggestions for the next EMC-2007, which is planned for<strong>June</strong>, 2007 and will be held in St-Petersburg. The call forpapers of the VII-th International Symposium onElectromagnetic Compatibility and ElectromagneticEcology and Technical Exhibition on EMC is scheduled forMarch, 2007.In the Autumn of 2006 St-Peterburg StateElectrotechnical University “LETI” celebrates his 120thanniversary ! The EMC - 2007 will be one of the severalevents under the umbrella of this anniversary.Professor V. Larkinalarkina@izmiran.ru80The<strong>Radio</strong> <strong>Science</strong> <strong>Bulletin</strong> No <strong>313</strong> (<strong>June</strong>, <strong>2005</strong>)
IRI <strong>2005</strong> WORKSHOPNEW SATELLITE AND GROUND DATA FOR IRI AND COMPARISONWITH REGIONAL MODELSRoquetes, Spain, 27 <strong>June</strong> - 1 July <strong>2005</strong>As part of its centennial celebrations, the EbroObservatory in Roquetes, Spain, hosted the <strong>2005</strong>International Reference Ionosphere (IRI) Workshop.Workshop sessions, held at the Observatory and the AuditoryFelip Pedrell in neighboring Tortosa from <strong>June</strong> 27 to July 1,covered the typical IRI topics: F-region Modeling,Bottomside Parameters and Drifts, Topside Ionosphere,IRI Applications, Temperature and Composition,Ionospheric Variability, Lower Ionosphere, Total ElectronContent, and New Inputs for IRI. The agenda included 66presentations by 48 scientists from 18 countries illustratingthe global reach and importance of the IRI activities.Ground and space data sources were evenly representedincluding data from many ionosondes, and from mostincoherent scatter radars, and from the satellites Akebono,CHAMP, DMSP, GPS, Hinotori, IK-19, IK-24, IMAGE,ISIS, JASON, Ohzora, ROCSAT, TIMED, TIROS/NOAA,and TOPEX, and from several rocket flights. The meetingbenefited from the excellent local support under theleadership of Dr. David Altadill. The Observatory team notonly patiently shepherded the international group of scientistsduring the session periods, but also arranged an eveningwalking tour of Tortosa and a conference excursion to thebeautiful Tortosa-Beseit Natural Park and the Picasso Centerin Orta de Sant Joan. Opening and closing ceremonies wereattended by local and regional politicians who pledged theirsupport for the Observatory and acknowledged theimportance of holding this international science meeting intheir town and region. Financial support was provided bythe following organizations: Committee on Space Research(COSPAR), International Union of <strong>Radio</strong> <strong>Science</strong> (<strong>URSI</strong>),European Office of Aerospace Research and Development(EOARD) of the US Air Force Office of Scientific Research,Consejo Superior de Investigaciones Cientificas (CSIC),Ministerio de Educación y Ciencia (MEC), Agència deGestió d’Ajuts Universitaris i de Recerca (AGAUR) and bythe Observatori de l’Ebre. Also the Mayor’s Offices of theTowns of Roquetes and Tortosa, the Council of the LowerEbro Area, La Caixa, the Ramon Llull University andDiario ABC supported this event.Electron Density :Topside,Plasmasphere, and TECThe new version of IRI, due to be released later thisyear, will include two options for the topside electrondensity: (1) the correction term for the current IRI model asproposed by Bilitza (USA) and (2) the newest version of theNeQuick model as presented by Coisson (Italy).Reinisch (USA) explained his new approach ofrepresenting the topside and plasmasphere electron densitiesby a Chapman profile with continuously varying scaleheightusing the developing UML plasmasphere model thatis based on IMAGE/RPI and ISIS measurements.Alternatively, Pulinets (Mexico) and Depuev (Russia) areproposing the use of an Epstein function with variablescale-height and have successfully applied this approach totheir IK-19 topside sounder data. An important aspect oftheir model is the inclusion of persistent longitudinal features.Uemoto (Japan) presented Ohzora and Akebono topsidesounder data as a possible source for improvements of theIRI topside profile. Plasmaspheric extensions of IRI werediscussed by Coisson (Italy) and by Gulyaeva (Russia)using the Global Core Plasma Model (GCPM) developedby Gallagher et al. (USA). Garner (USA) found that binnedDMSP data follow a lognormal distribution and he studiedglobal and solar activity variations of the distributionparameters.There were quite a number of presentations of TECrelatedstudies including: (1) Comparisons of GPS TECwith ionosonde ITEC measurements (McKinnell, SouthAfrica; Mosert, Argentina), (2) Comparisons of TECmeasurements with IRI predictions (Bhuyan, India; F.Arikan, Turkey; Moeketsi, South Africa; Opperman, SouthAfrica). (3) Ionospheric tomography techniques and theirutilization of IRI (O. Arikan, Turkey; Bhuyan, India;Opperman, South Africa), (4) Ionospheric data obtained bydifferent dual-frequency space techniques and their use forimprovements of IRI (Bilitza, USA), (5) An assessment of2 nd order ionospheric effects on GPS measurements(Hernandez-Pajares, Spain), (6) Using a wavelet/splineapproach as an initial step of a multi-resolution representationof TEC (Schmidt, Germany) (6) A method for deducingfoF2 from GPS-TEC (Krankowski, Poland).Electron Density : F-peakand belowThe main new input for the next version of IRI will bethe spread-F occurrence model for the South-Americansector that was developed by Abdu (Brazil) based onionosonde data. Efforts are under way to develop aquantitative description of ionospheric variability in termsof quartiles and deciles for inclusion in IRI (Mosert,Argentina; Altadill, Spain).The<strong>Radio</strong> <strong>Science</strong> <strong>Bulletin</strong> No <strong>313</strong> (<strong>June</strong>, <strong>2005</strong>) 81
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