I made new (low-tech) installations for the summer 2015:
Now three computers and three receivers: AirSpy for 10 MHz bandwidht-recording / Perseus FM+ / Sony XDR (GTK-modified with StationList).
Click for better view:
Above: Here 2x 8-element Triax-yagis rotating shortly from S > W and back. Remote controlled rotator is Yaesu G-1000. There are heavy winds in Utö, so bigger installations are much more difficult. (Video: Risto Harjula)
Below: Utö radars and landscapes (My FM-antennais visible at 2.20 >). Video: Risto Harjula