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HAARP antenna array. The HAARP project directs a 3.6 M W signal, in the 2.8–10 MHz region of the HF band, into the ionosphere. The signal may be pulsed or continuous. Effects of the transmission and any recovery period can be examined using associated instrumentation, including VHF and UHF radars, HF receivers, and optical cameras. According ...
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An ionospheric heater, or an ionospheric HF pump facility, is a powerful radio wave transmitter with an array of antennas which is used for research of plasma turbulence, the ionosphere and upper atmosphere. [1]
An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. [ 1 ] : p.149 [ 2 ] The individual antennas (called elements ) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase ...
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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. [2] [3]
AN/FLR-9 in Elmendorf, Alaska c. 1964. The AN/FLR-9 is a type of very large circularly disposed antenna array, built at eight locations during the Cold War for HF/DF direction finding of high priority targets. The worldwide network, known collectively as "Iron Horse", could locate HF communications almost anywhere on Earth.
See images of the Alaska reporter who quit on live TV. A spokesperson for the Alaska attorney general's office told the outlet she's facing 14 offenses for running the Alaska Cannabis Club.