中華民國業餘無線電促進會北部分會

標題: [其它] HAARP 又將於2017繼續運作 [打印本頁]

作者: BX2ADJ 時間: 2016-8-12 12:10 標題: HAARP 又將於2017繼續運作

今天收到 ARRL 的新聞：
HAARP又將於2017繼續運作初期用 10KW
FCC 准許頻率為 2650-2850; 3155-3400; 4438-4650; 4750-4995; 5005-5450; 5730-5950, and 7300-8100 kHz
--------------------------------------------------------------------
HAARP Facility to Reopen in 2017 under New Ownership
Alaska's High-Frequency Active Auroral Research Program (HAARP) facility will reopen in 2017. The sprawling facility now is under the ownership of the University of Alaska Fairbanks (UAF), and the UAF Geophysical Institute is preparing HAARP for a new sponsored research campaign that's set to begin early next year, UAF Researcher Chris Fallen, KL3WX, told ARRL.

The HAARP facility is located near Gakona, Alaska. Part of the massive antenna field is on the right.

"This involves, for example, reinstalling the vacuum tubes in each of the 10 kW amplifiers -- eventually 360 in total -- that were removed by the US Air Force [the facility's former owner] for warm storage in the main facility," Fallen said. 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 bringing half of the array online, as we will only have half the tubes installed," he explained. "It's a long process and we have limited resources." He noted that the transmitter shelters have been unheated since the previous campaign in the summer of 2014. "The five generators -- approximately 3 MW each -- have recently been tested individually and are verified operational."
Fallen said the HAARP ionosonde (DPS4D "Digisonde") will be brought back online. "Some instruments on site need to be repaired or replaced," he said. Those would include riometers and a UHF radar. "Optical instruments will be brought back. The flux-gate magnetometer is operational again."

Inside the HAARP control room.

Fallen said other researchers are planning to install instruments at the science pads. "We are still investigating models for increasing Amateur Radio involvement with HAARP, which, in addition to announcing operating schedules, can potentially include hosting one or more ham stations on or near the science pads," he said.
UAF describes HAARP as "the world's most capable high-power, high-frequency transmitter for study of the ionosphere." Built in three phases, starting in the early 1990s and continuing through 2007, at a cost of some $300 million, HAARP over the years has inspired a wide range of conspiracy theories that became grist for late-night radio talk shows. Some have claimed that HAARP's transmitters and 30-acre antenna farm -- capable of generating up to 5 GW ERP -- have been used to control the weather, while others have argued that HAARP has caused earthquakes.
The FCC recently granted two Part 5 Experimental Service licenses for HAARP ionospheric research "across multiple bands." WI2XFX will cover experiments in discrete parts of the HF spectrum, including 2650-2850; 3155-3400; 4438-4650; 4750-4995; 5005-5450; 5730-5950, and 7300-8100 kHz. A second Experimental license, WI2XDV, covers ionopheric research between 1 and 40 MHz.

A closer look at a portion of the HAARP antenna array. The white buildings house transmitters.

UAF is hosting an open house at HAARP, located near Gakona, Alaska, on August 27. The event will feature facility tours, a mobile planetarium, a permafrost exhibit, science demonstrations and talks, and barbecue.
Fallen will deliver a free science lecture on Friday, August 26, at the Wrangell-St Elias National Park Visitor Center Auditorium, "Radio Modification of the Ionosphere, and Who Uses This HAARP Thing Anyway?" in partnership with the Wrangell Institute for Science and the Environment (WISE)
HAARP is aimed at studying the properties and behavior of the ionosphere. Operation of the research facility was transferred from the US Air Force to the University of Alaska Fairbanks last August, allowing HAARP to continue exploring ionospheric phenomena via a land-use cooperative research and development agreement. -- Thanks to Chris Fallen, KL3WX, Steve Floyd, W4YHD, and UAF

[ 本帖最後由 BX2ADJ 於 2016-8-12 12:18 編輯 ]

歡迎光臨中華民國業餘無線電促進會北部分會 (http://ctarln.freebbs.tw/)