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Agenda item 1 Real examples of impact of wind turbines on radar operations. Daan Rabijns, Belgocontrol. 4 cases. measurable effects of a single turbine at 60 km from the radar severe operational impact: Büchel (GE) severe operational impact: Villancien (Fr)
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Agenda item 1Real examples of impact of windturbines on radar operations Daan Rabijns, Belgocontrol
4 cases • measurable effects of a single turbine at 60 km from the radar • severe operational impact: Büchel (GE) • severe operational impact: Villancien (Fr) • example with tolerable operational impact
case 1: measured impact primary only mode S only combined
Case 2: unacceptable impact ASR Cells 200 x 200 m2 • No track initiation within the cells • Only update of existing tracks
Case 2: example 1, Airliner FL350 wind turbine plot (not shown to ATCO) Track (shown to ATCO) Track initiation delay: 3 scans Coasting : 3 scans Radar
Case 2: example 1, Fighter Approach wind turbine plot (not shown to ATCO) Track (shown to ATCO) Track initiation delay: 3 scans Coasting : 3 scans Radar
Case 3: turbines 34 km from the radar 4/6 turbines 142m radar test flight
Case 4: tolerable operational impact 10 turbines 149m Cessna aircraft w/o transponder landing aircraft
Conclusions • case 1: Impact on PSR can extend to end of radar range • case 2 and 3: Impact not tolerable • case 4: Tolerable impact on ATCO screen examples can not be generalized
Daan Rabijns Belgocontrol Tervuursesteenweg 303 B-1820 Steenokkerzeel phone : +32 2 206 22 15 fax : +32 2 206 22 01 rad@belgocontrol.be www.belgocontrol.be