About: HIPAS Observatory

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The HIPAS (HIgh Power Auroral Stimulation) Observatory was a research facility, built to study the ionosphere and its influence on radio communications. It was located 25 miles east of Fairbanks, Alaska in the Fairbanks North Star Borough area. The HIPAS facility also used a LIDAR (LIght Detection And Ranging) instrument. Other projects included: The High Frequency Active Auroral Research Program (HAARP) is a similar facility funded jointly by the US Air Force and US Navy. The HIPAS facility was shut down and much of the equipment sold as surplus in the Spring of 2010.

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rdfs:label	HIPAS Observatory (en)
rdfs:comment	The HIPAS (HIgh Power Auroral Stimulation) Observatory was a research facility, built to study the ionosphere and its influence on radio communications. It was located 25 miles east of Fairbanks, Alaska in the Fairbanks North Star Borough area. The HIPAS facility also used a LIDAR (LIght Detection And Ranging) instrument. Other projects included: The High Frequency Active Auroral Research Program (HAARP) is a similar facility funded jointly by the US Air Force and US Navy. The HIPAS facility was shut down and much of the equipment sold as surplus in the Spring of 2010. (en)
geo:lat	64.871941 (xsd:float)
geo:long	-146.842499 (xsd:float)
dcterms:subject	Astronomical observatories in Alaska 2010 disestablishments in Alaska Buildings and structures in Fairbanks North Star Borough, Alaska Science and technology in Alaska
Wikipage page ID	698670 (xsd:integer)
Wikipage revision ID	1106131615 (xsd:integer)
Link from a Wikipage to another Wikipage	US Navy Astronomical observatories in Alaska Lidar UCLA Liquid-mirror telescope Plasma torch Alaska Fairbanks North Star Borough, Alaska Fairbanks Radio Hazardous waste High-frequency Active Auroral Research Program Ionosphere Backscatter 2010 disestablishments in Alaska Buildings and structures in Fairbanks North Star Borough, Alaska Science and technology in Alaska Laser Effective radiated power Sodium Mercury (element) Poker Flat Research Range US Air Force Plasma physics List of observatories Antenna (electronics)
Link from a Wikipage to an external page	http://home.physics.ucla.edu/research/index.php https://web.archive.org/web/20040606154036/http:/www.hipas.alaska.edu/
sameAs	HIPAS Observatory HIPAS Observatory HIPAS Observatory HIPAS Observatory HIPAS Observatory
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has abstract	The HIPAS (HIgh Power Auroral Stimulation) Observatory was a research facility, built to study the ionosphere and its influence on radio communications. It was located 25 miles east of Fairbanks, Alaska in the Fairbanks North Star Borough area. It was operated by the UCLA plasma physics laboratory from 1986 through 2007. A unique capability at that time, it could radiate 70 MW ERP at either 2.85 MHz or 4.53 MHz. These frequencies are close to a multiple of 2 and 3 of the electron gyro-frequency at ionospheric altitudes. Sending a pulse of HF-radio waves upward could accelerate the electrons in the ionosphere. Somewhat like waves on the ocean, the character of the ionosphere could be inferred from the backscatter signal. Other experiments attempted to combine RF and visible excitation where the latter probed metal ions such as sodium. The HIPAS facility also used a LIDAR (LIght Detection And Ranging) instrument. Other projects included: * A plasma torch, used for experiments in hazardous waste disposal * A 2.8-meter liquid-mirror telescope, which uses a spinning bowl of mercury to form the mirror, used for laser experiments. * An array of antennae, which are used for exciting the ionosphere. The High Frequency Active Auroral Research Program (HAARP) is a similar facility funded jointly by the US Air Force and US Navy. The HIPAS facility was shut down and much of the equipment sold as surplus in the Spring of 2010. (en)
gold:hypernym	Facility
prov:wasDerivedFrom	wikipedia-en:HIPAS_Observatory?oldid=1106131615&ns=0
page length (characters) of wiki page	3568 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:HIPAS_Observatory
geo:geometry	POINT(-146.8424987793 64.871940612793)
is Link from a Wikipage to another Wikipage of	Two Rivers, Alaska Ionospheric heater High-frequency Active Auroral Research Program HIPAS
is Wikipage redirect of	HIPAS
is foaf:primaryTopic of	wikipedia-en:HIPAS_Observatory

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