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M. Bleiders
Engineering Research Instutute, Ventspils International Radio Astronomy Centre, the Ventspils University College, 101 Inzenieru Str., Ventspils, LV-3601, LATVIA
J. Trokss
Engineering Research Instutute, Ventspils International Radio Astronomy Centre, the Ventspils University College, 101 Inzenieru Str., Ventspils, LV-3601, LATVIA
M. Elerts
Engineering Research Instutute, Ventspils International Radio Astronomy Centre, the Ventspils University College, 101 Inzenieru Str., Ventspils, LV-3601, LATVIA