{"id":29112755,"date":"2026-10-22T11:03:28","date_gmt":"2026-10-22T09:03:28","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/haarp-over-the-horizon-radar-test-alaska-2026\/"},"modified":"2026-10-22T11:08:08","modified_gmt":"2026-10-22T09:08:08","slug":"haarp-over-the-horizon-radar-test-alaska-2026","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/es\/haarp-over-the-horizon-radar-test-alaska-2026\/","title":{"rendered":"HAARP Over-the-Horizon Radar Test Detects Aircraft by Skywave"},"content":{"rendered":"\n<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\n\n\n\n<!-- mfsh:top -->\n\n<style>\n.mfsh-trigger{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;margin:0 0 26px;border:2px solid #0F1720;background:#fff;color:#0F1720;font-family:inherit;font-size:14px;font-weight:700;line-height:1;letter-spacing:0;text-transform:none;cursor:pointer;box-shadow:none;transition:background .15s,color 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Now the US military has given it a job conspiracy theorists never predicted: lighting up aircraft far beyond the horizon so that a receiver at the far end of the Alaska Peninsula can hear the echoes.<\/p>\n<p>In a release published on 19 October 2026, Alaskan Command said live-fly trials from 7 to 11 September used the High Frequency Active Auroral Research Program, better known as HAARP, as the transmitter half of an experimental bistatic over-the-horizon radar. A low-cost receiver array built by MITRE at Cold Bay did the listening. The result, according to the command: &ldquo;full skywave (beyond line of sight) detections of aircraft.&rdquo;<\/p>\n<p>The HAARP over-the-horizon radar trial closed out a three-year Arctic air domain awareness experiment series. It is still an experiment, not a programme of record, but it shows how Washington is thinking about the surveillance gap in the High North.<\/p>\n\n\n\n<div style=\"background:#f4f6f9;border-left:4px solid #5C91FF;padding:18px 22px;margin:28px 0\"><p style=\"margin:0 0 10px;font-weight:700;color:#0d1117;font-size:17px\">Quick Facts<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>What:<\/strong> Bistatic over-the-horizon (OTH) radar experiment<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Transmitter:<\/strong> HAARP, Gakona, Alaska (University of Alaska Fairbanks)<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Receiver:<\/strong> MITRE 16-element HF array, Cold Bay, Alaska<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Live-fly trials:<\/strong> 7&ndash;11 September 2026<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Release:<\/strong> 19 October 2026, Alaskan NORAD Region\/Alaskan Command\/11th Air Force<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Test targets:<\/strong> E-3 Sentry, HC-130J Combat King II, KC-135 Stratotanker<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Partners:<\/strong> ALCOM, NORTHCOM, AFRL, Defence Research and Development Canada, MITRE<\/p><p style=\"margin:5px 0;font-size:15px;color:#333\"><strong>Status:<\/strong> Initial results positive; data analysis ongoing<\/p><\/div>\n\n\n<h2 style=\"padding-top:22px\">What was actually tested<\/h2>\n\n\n<p>The question was simple to state and hard to answer: could an existing high-frequency transmitter, paired with a newly developed, low-cost receiver, detect aircraft beyond the reach of Alaska&rsquo;s long-range radar sites? The test area covered the Gulf of Alaska and the Bering Sea, where distances are vast, weather is brutal and infrastructure is thin.<\/p>\n<p>Three types flew as cooperative targets: an <a href=\"https:\/\/migflug.com\/aircraft\/e-3-sentry\/\">E-3 Sentry<\/a> from the 962nd Airborne Air Control Squadron, <a href=\"https:\/\/migflug.com\/aircraft\/c-130-hercules\/\">HC-130J Combat King II<\/a> rescue aircraft from the 211th Rescue Squadron and <a href=\"https:\/\/migflug.com\/aircraft\/kc-135-stratotanker\/\">KC-135 Stratotankers<\/a> from the 168th Air Refueling Wing. Their positions were known throughout, so researchers could check every radar return against the truth.<\/p>\n<p>The release says the team met or exceeded its test execution objectives and correlated its skywave detections with those truth flights. Detailed analysis is still under way, and no detection ranges, track accuracies or frequencies have been published.<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><div><em>&ldquo;Understanding what this technology can do in the Arctic starts with collecting data under real operating conditions. Working with operational units allows us to compare the experimental observations with known aircraft positions and assess where this approach could help address gaps in air surveillance.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Dr. Carolyn Stwertka<\/strong> &mdash; Chief Scientist, Alaskan Command<\/div><\/div><\/div>\n\n\n<h2 style=\"padding-top:22px\">How a bistatic skywave radar works<\/h2>\n\n\n<p>A conventional radar sees only to the horizon, because microwaves travel in straight lines and the Earth curves away beneath them. High-frequency radio, in the 3 to 30 MHz band, behaves differently: the ionosphere bends it back towards the ground, so a signal can come down hundreds or even thousands of kilometres from its source. That is the skywave mode the release refers to.<\/p>\n<p>In a bistatic set-up, the transmitter and receiver sit at different sites. HAARP beamed energy up into the ionosphere; it came down over the maritime approaches, struck aircraft, and a fraction of the scattered energy found its way to Cold Bay. Gakona and Cold Bay are roughly 1,280 km (about 800 miles) apart in a straight line, which gives a sense of the geometry involved.<\/p>\n<p>The difficulty is the signal-to-noise ratio. The ionosphere moves, the sea surface returns enormous clutter and an aircraft echo is tiny by comparison. Making a cheap, 16-element receiver work at all is the most interesting engineering result of the HAARP over-the-horizon radar trial, since it suggests receive sites could be scattered across Alaska without the cost of a full radar station.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/haarp-over-the-horizon-radar-test-alaska-2026-img1.jpg\" alt=\"MITRE 16-element high-frequency receive antenna array at Cold Bay, Alaska, used in the HAARP over-the-horizon radar experiment\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The MITRE-developed receive site at Cold Bay: 16 receiving elements plus one calibration antenna, listening for HAARP signals reflected off aircraft. (U.S. Air Force courtesy photo)<\/figcaption><\/figure>\n\n\n<h2 style=\"padding-top:22px\">Why HAARP is suddenly useful<\/h2>\n\n\n<p>HAARP was built as an ionospheric research instrument, funded by the US Air Force, the US Navy and DARPA. Its Ionospheric Research Instrument consists of 180 crossed-dipole antennas spread over 33 acres (about 14 hectares), capable of transmitting 3.6 megawatts of radio-frequency energy. The phased array can be steered electronically by adjusting the phase and power of each element.<\/p>\n<p>The Air Force planned to dismantle the site in 2014. Instead, the University of Alaska Fairbanks took it over in August 2015 and has run it as a research facility since. That history matters: a ready-made, high-power, steerable HF transmitter in the right corner of North America is exactly what an over-the-horizon experiment needs, and it already existed.<\/p>\n<p>None of this has anything to do with weather control or mind games. HAARP has been a magnet for such theories since the 1990s; its new role is a far more ordinary one, borrowed from a radar principle that dates back to the Cold War.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/10\/haarp-over-the-horizon-radar-test-alaska-2026-img2.jpg\" alt=\"Crossed-dipole antenna elements of the HAARP transmitter array at Gakona, Alaska\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">Crossed-dipole elements of HAARP&rsquo;s 180-antenna array. Adjusting each element&rsquo;s phase and power steers the beam electronically. (U.S. Air Force courtesy photo)<\/figcaption><\/figure>\n\n\n<h2 style=\"padding-top:22px\">The Arctic surveillance gap<\/h2>\n\n\n<p>NORAD&rsquo;s current northern radar chain, the North Warning System, was designed to watch for Soviet bombers coming over the pole. Its radars see to their own horizon and no further. Long-range cruise missiles and threats approaching from the Pacific do not fit that Cold War picture.<\/p>\n<p>Canada is already buying a solution. As part of NORAD modernisation, Ottawa is acquiring a multibillion-dollar Arctic over-the-horizon radar, working with Australia, whose Jindalee Operational Radar Network is the best-known operational skywave system in the West. Defence Research and Development Canada was a partner in the Alaskan trials.<\/p>\n<p>The US has a long, uneven history with this technology. Britain and the US built the giant Cobra Mist radar at Orford Ness in the late 1960s and abandoned it in 1973; the Soviet Duga radars filled shortwave bands with their infamous &ldquo;woodpecker&rdquo; tapping for more than a decade. Digital signal processing has changed the economics since then.<\/p>\n\n\n\n<div style=\"max-width:550px;margin:0 auto 28px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/platform.twitter.com\/embed\/Tweet.html?id=2112619958920204733&theme=light\" style=\"width:100%;height:400px;border:none;overflow:hidden\" allowfullscreen><\/iframe><\/div>\n\n\n<h2 style=\"padding-top:22px\">What happens next<\/h2>\n\n\n<p>Alaskan Command has not said whether the concept will become an operational system, and the release is careful to describe it as an experiment that could complement existing surveillance. The data from September is still being analysed.<\/p>\n<p>Still, the logic of a HAARP over-the-horizon radar is hard to ignore. One powerful transmitter that already exists, a handful of cheap receive sites, and coverage over waters that today are largely dark to ground radar. If the numbers hold up, the most notorious antenna farm in Alaska may end up doing exactly what its critics feared least: keeping watch.<\/p>\n\n\n\n<p><em>Sources: Alaskan Command \/ DVIDS, U.S. Department of War, TWZ, Defence Blog, SOFX, Times of Defence, University of Alaska Fairbanks<\/em><\/p>\n\n\n\n<!-- mfsh:bottom -->\n\n<button type=\"button\" class=\"mfsh-trigger mfsh-bottom\" data-mfsh-placement=\"bottom\" aria-haspopup=\"dialog\"><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share this story<\/button>\n\n<!-- \/mfsh:bottom -->\n\n\n\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\n\n\n<section class=\"mfq\"><h2>Frequently Asked Questions<\/h2><div class=\"qa\"><details open><summary>What is the HAARP over-the-horizon radar experiment?<\/summary><div class=\"a\">It was a US military trial in which the HAARP transmitter at Gakona, Alaska, acted as the illuminator of an experimental bistatic over-the-horizon radar. A low-cost MITRE receiver array at Cold Bay listened for echoes. Live-fly testing ran from 7 to 11 September 2026, and Alaskan Command announced the results on 19 October 2026.<\/div><\/details><details><summary>Which aircraft did the HAARP radar test detect?<\/summary><div class=\"a\">The cooperative targets were an E-3 Sentry from the 962nd Airborne Air Control Squadron, HC-130J Combat King II aircraft from the 211th Rescue Squadron and KC-135 Stratotankers from the 168th Air Refueling Wing. Their known positions let researchers compare the experimental radar detections with truth data over the Gulf of Alaska and Bering Sea.<\/div><\/details><details><summary>How does a skywave over-the-horizon radar work?<\/summary><div class=\"a\">A skywave over-the-horizon radar uses high-frequency radio that the ionosphere bends back towards the Earth, so signals can reach far beyond the horizon. In a bistatic system the transmitter and receiver are at separate sites. In Alaska, HAARP transmitted and a receiver array at Cold Bay picked up the energy reflected by aircraft.<\/div><\/details><details><summary>How powerful is the HAARP transmitter in Alaska?<\/summary><div class=\"a\">HAARP's Ionospheric Research Instrument consists of 180 crossed-dipole antennas covering 33 acres, about 14 hectares, near Gakona, Alaska. It can transmit up to 3.6 megawatts of radio-frequency energy, and its beam can be steered electronically by adjusting the phase and power of each antenna element. The University of Alaska Fairbanks has operated it since 2015.<\/div><\/details><details><summary>Will HAARP become an operational military radar?<\/summary><div class=\"a\">Alaskan Command has not said. The September 2026 trials were the final live-fly event of a three-year experiment series, and the command described the concept as a way to complement existing surveillance. Initial results showed skywave detections of aircraft beyond line of sight, but detailed data analysis was still ongoing when the results were released.<\/div><\/details><details><summary>Who took part in the HAARP over-the-horizon radar trials?<\/summary><div class=\"a\">The effort brought together Alaskan Command, US Northern Command, the Air Force Research Laboratory, Defence Research and Development Canada and other scientific and operational partners. MITRE developed the Cold Bay receiver array and designed and executed the field experiment, while the University of Alaska Fairbanks operates the HAARP facility used as the transmitter.<\/div><\/details><\/div><\/section>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the HAARP over-the-horizon radar experiment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It was a US military trial in which the HAARP transmitter at Gakona, Alaska, acted as the illuminator of an experimental bistatic over-the-horizon radar. A low-cost MITRE receiver array at Cold Bay listened for echoes. Live-fly testing ran from 7 to 11 September 2026, and Alaskan Command announced the results on 19 October 2026.\"}},{\"@type\":\"Question\",\"name\":\"Which aircraft did the HAARP radar test detect?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The cooperative targets were an E-3 Sentry from the 962nd Airborne Air Control Squadron, HC-130J Combat King II aircraft from the 211th Rescue Squadron and KC-135 Stratotankers from the 168th Air Refueling Wing. Their known positions let researchers compare the experimental radar detections with truth data over the Gulf of Alaska and Bering Sea.\"}},{\"@type\":\"Question\",\"name\":\"How does a skywave over-the-horizon radar work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A skywave over-the-horizon radar uses high-frequency radio that the ionosphere bends back towards the Earth, so signals can reach far beyond the horizon. In a bistatic system the transmitter and receiver are at separate sites. 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MITRE developed the Cold Bay receiver array and designed and executed the field experiment, while the University of Alaska Fairbanks operates the HAARP facility used as the transmitter.\"}}]}<\/script><div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/russian-woodpecker-duga-radar-cobra-mist-over-the-horizon\/\">Russian Woodpecker: The Duga Radar and Cobra Mist Enigma<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/sky-shield-ii-1961-raf-vulcan-norad-exercise\/\">Sky Shield II: When RAF Vulcans Slipped Through North America\u2019s Air Defences<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/1-in-60-rule-3-to-1-descent-pilot-rules-of-thumb\/\">The 1-in-60 Rule and the 3-to-1 Descent: Pilot Mental Math<\/a><\/p><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Share this story For three decades, the antenna field outside Gakona, Alaska, has been the most misunderstood radio transmitter in the world. Now the US military has given it a job conspiracy theorists never predicted: lighting up aircraft far beyond the horizon so that a receiver at the far end of the Alaska Peninsula can [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":29112736,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[664,670],"tags":[],"class_list":["post-29112755","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-military-aviation","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HAARP Over-the-Horizon Radar Test in Alaska | MiGFlug<\/title>\n<meta name=\"description\" content=\"HAARP over-the-horizon radar trials in Alaska detected E-3, HC-130J and KC-135 aircraft by skywave, using a MITRE receiver array at Cold Bay.\" \/>\n<meta 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