Hat Creek Radio Observatory

Hat Creek Radio Observatory

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History

HCRO was founded in the late 1950s by the newly created Radio Astronomy Laboratory of the University of California, Berkeley. An 85-foot antenna was installed in 1962 and operated until 1993, when it collapsed during a wind storm. Using it, astronomers discovered the first interstellar maser. The earliest experiments in millimeter-wave astronomy were performed at this site starting in the 1970 when a 2-element interferometer was constructed. From 1980-1985 a 3-element interferometer was constructed, with another four antennas added between 1990-1992. After the 85-foot dish was lost, another three antennas were added to the millimeter array for a total of ten elements. This came to be known as BIMA. The BIMA telescopes were moved in the spring of 2005 to be combined with other millimeter antennas as part of the Combined Array for Research in Millimeter-wave Astronomy (CARMA) project and to make way for the Allen Telescope Array (ATA).

External links

* [http://www.hcro.org/ Hat Creek Radio Observatory Webpage] (Includes tour and contact info.)
* [http://bima.astro.umd.edu BIMA Website (formerly HCRO)]
* [http://astro.berkeley.edu/ral Radio Astronomy Lab Website]
* [http://maps.google.com/maps?f=q&hl=en&q=121.4733+W,+40.8178+N&ie=UTF8&ll=40.817934,-121.470197&spn=0.003889,0.008776&t=k&z=17&iwloc=addr&om=1 Construction site satellite image from Google Maps]


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