2.International Workshop "Holography Testing of Large Radio Telescopes", N.Arkhyz, Russia, 1990.
3.XIV ESTEC Antenna Measurement Workshop, Noordwijk, Netherlands, 1991.
4.North American Radio Science Meeting, London, Canada, 1991.
5.PIERS-91, Cambridge, USA, 1991.
6.IAU Colloquium 140 "Astronomy with Millimiter and Submillimiter Wave Interferometry, Hakone, Japan, 1992.
7.XXIV URSI General Assembly, Kyoto, Japan,1993.
8.PIERS-94, Noordwijk, Netherlands,1995.
9.XV URSI International Symposium on Electromagnetic Theory, St.Petersburg, Russia, 1995.
10.URSI General Assembly, Lill, France, 1996.
11.XX ESTEC Antenna Workshop, Noordwijk, Netherland, 1997.
12. 2nd ESA Workshop on MM Wave Technology, Espoo, Finland, 1998
13. International Conference "Perspectives on Radio Astronomy: Technologies for Large Antenna Arrays", Dwingeloo, The Netherlands, 12-14 April 1999.
14.Gamow Memorial International Conference (GMIC'99), St.Petersburg, 23-27 August, 1999.
15.URSI/IEEE Convention on Radio Science, Turku, Finland, October 1999.
16. XXIV IAU General Assembly, Manchester, UK, August 2000.
Updated: Aug.20, 2000
