Robert C. Byrd Green Bank Telescope - National Radio Astronomy Observatory - Green Bank, WV 9-3-01
The world’s premiere single-dish radio telescope operating at meter to millimeter wavelengths. Its enormous 100-meter diameter collecting area, its unblocked aperture, and its excellent surface accuracy provide unprecedented sensitivity across the telescope's full 0.1 - 116 GHz operating range, a larger frequency (energy) range than any other telescope. The GBT is fully steerable, and 85% of the entire celestial sphere is accessible. Its operation is highly efficient, and it is used for astronomy about 6500 hours every year, with 2000-3000 hours per year going to high frequency science. Part of the scientific strength of the GBT is its flexibility and ease of use, allowing for rapid response to new scientific ideas.

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