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Influence of wind turbines on radio astronomical observations in Irbene  

Author:  | Latvia, Siting, Technology

[abstract] The reflection and diffraction of external communication and navigational transmitters from tall constructions and moving blades of wind turbines produce some short-pulse additional electromagnetic interference strong enough to fully disturb radio astronomical observations. The problem of short-pulse electromagnetic interference is distinctive to all radio telescopes surrounded by wind turbines. This problem became significant for Ventspils International Radio Astronomy Centre (VIRAC) after new wind park “Platene” [near Platene and Vede] of Winergy Ltd. was built in 2012 and radio telescopes RT-16 and RT-32 renovated and equipped with cryogenic high sensitive receivers. The paper deals with the analysis and evaluation of intensities and probabilities of short-pulse interferences produced by wind park “Platene” and its possible impact on radio astronomical observations at VIRAC radio telescopes. (The distance from Irbene radio telescopes to [the wind turbines near] Platene is 19.7 km and to [those near] Vede is 8.2 km.)

Dmitrijs Bezrukovs
Ventspils International Radio Astronomy Centre, Ventspils, Latvia

Latvian Journal of Physics and Technical Sciences 2016, N 2, P 68-74
DOI: 10.1515/lpts-2016-0015

Download original document: “Influence of wind turbines on radio astronomical observations in Irbene

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