Hartebeesthoek Radio Astronomy Observatory (HartRAO)
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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