Chilbolton ObservatoryW
Chilbolton Observatory
EISCATW
EISCAT
ESA Optical Ground StationW
ESA Optical Ground Station
Graves (system)W
Graves (system)
Kanzelhoehe Solar ObservatoryW
Kanzelhoehe Solar Observatory
Medicina Radio ObservatoryW
Medicina Radio Observatory
Astronomical Observatory of MallorcaW
Astronomical Observatory of Mallorca
PROBA-2W
PROBA-2
RAF FylingdalesW
RAF Fylingdales
TAROT-South robotic observatoryW
TAROT-South robotic observatory
Zimmerwald ObservatoryW
Zimmerwald Observatory