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en.wikipedia.org/wiki/High_Frequency_Active_Auroral_Research_Program

The High Frequency Active Auroral Research Program (HAARP) was an ionospheric research .... During active ionospheric research, the signal generated by the transmitter system is delivered to the antenna array and transmitted in an upward ...

www.arrl.org/news/haarp-facility-to-reopen-in-2017-under-new-ownership

Aug 4, 2016 ... He later clarified that's just one-half of the 720 tubes required to equip all of HAARP's transmitters. “For the first campaign we will only be ...

www.gi.alaska.edu/haarp

This year's open house at HAARP was a rousing success! Over 220 ... HAARP is the world's most capable high-power, high-frequency transmitter for study of the ...

www.gi.alaska.edu/haarp/faq

The High-Frequency Active Auroral Research Program (HAARP) is the world's most capable high-power, high frequency (HF) transmitter for study of the ...

www.nbcnews.com/science/weird-science/conspiracy-theories-abound-u-s-military-closes-haarp-n112576

May 22, 2014 ... The 180-antenna HAARP array is spread across a 40-acre site at ... Alaska, where it has a high-power radio frequency transmitter that can ...

newatlas.com/haarp-operations-on-hold/28383

Jul 24, 2013 ... According to HAARP program manager James Keeney, the facility is only ... The transmitter is roughly as powerful as the largest military radars, ...

vlf.stanford.edu/research/experiments-haarp-ionospheric-heater

The High Frequency Active Auroral Research Program (HAARP) facility is located in ... for studying the ionosphere, but the highlight is the HF transmitter array.

www.scientificamerican.com/article/human-activity-will-heat-alaskan-skies-deliberately-and-picturesquely

Feb 22, 2017 ... At full power, HAARP's transmitter can produce a glowing plasma high in the sky that, although not as bright as the natural aurora borealis, ...

rationalwiki.org/wiki/HAARP

The HAARP facility is essentially a large radio transmitter and antenna located in Alaska designed to operate in the shortwave band. The project began in 1993 ...