Hat Creek Radio Observatory, Radio astronomy center in Hat Creek, California, US.
The Allen Telescope Array at Hat Creek Radio Observatory includes multiple radio telescopes positioned across the research facility grounds at 986 meters elevation.
The observatory, established in the 1950s by the University of California Berkeley, made its first major discovery of an astrophysical maser using an 85-foot antenna.
The facility maintains a visitor center where people learn about radio astronomy techniques, celestial observations, and current research projects during Thursday and Friday hours.
Located 290 miles northeast of San Francisco, the observatory requires visitors to turn off cell phones and GPS devices to prevent interference with scientific measurements.
The observatory houses both the Allen Telescope Array and a CHIME FRB outrigger, enabling simultaneous observations of different sky regions for astronomical research.
Location: California
Website: https://seti.org/hcro
GPS coordinates: 40.81780,-121.47300
Latest update: May 17, 2025 10:46
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