What is the primary distinguishing characteristic of the Green Bank Telescope (GBT)?

Answer

It holds the title of the world's largest fully steerable radio telescope.

The GBT, a radio observatory located in West Virginia, possesses a 100-meter dish and is recognized as the largest fully steerable radio telescope globally, vastly exceeding the physical size of any American optical instrument.

What is the primary distinguishing characteristic of the Green Bank Telescope (GBT)?
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