Hartebeesthoek Radio Astronomy Observatory (HartRAO)

The Hartebeesthoek Radio Astronomy Observatory (HartRAO) is located in a valley in the Magaliesberg hills, 50 km north-west of Johannesburg, in the province of Gauteng, South Africa.

HartRAO operates:

  • 26m radio telescope for astronomy and geodesy
  • 15m radio telescope for astronomy and geodesy
  • Satellite Laser Ranger (SLR) for geodesy
  • Global Navigation Satellite System (GNSS) receivers for GPS, GLONASS and Galileo, at HartRAO and at other locations, for geodesy