Word: signaled
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Dates: during 1960-1969
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...first pinpoints a radar site and then, by analyzing the signal picked up, determines just what that particular radar is used for. The experts can tell whether the radar under observation is meant to warn of possible threats from an enemy, whether it is intended to guide defensive surface-to-air missiles, or whether it is designed to control a network of offensive nuclear weapons. The aircraft's antennas, tuned to a wide range of radio frequencies used in military communications, can overhear conversations between major command posts 200 miles away and thus plot troop movements and combat readiness...
...ingenious way to test a potential enemy's alertness is known as "exercising." That means feeding a fake signal back to the adversary's tracking radar at precisely timed intervals to simulate an intrusion in his airspace. The defender is lured into sending his interceptors aloft and activates all his secret radar equipment to bag this fictitious intruder. Meanwhile, from a distance, the spy plane can carefully monitor everything that is done by the enemy in order to meet the electronically manufactured threat. There is no indication, however, that the downed EC-121 was "exercising...
Fifty-two years ago this month, in my freshman year at Harvard, I was drilling with an ROTC unit; and a year later was shipped to France in the Signal Corps. On Nov, 10, 1918, in a concrete bunker near near the front, we received a radio message that a ceasefire would begin on the following morning at 11 o'clock. On that morning, two others in our outfit and I walked east along the road toward Metz--and suddenly we say a group of German soldiers...
...Chronicle paid despite his objections, but Newhall is fighting privately as owner of the Signal, a small (circ.: 2,265) suburban newspaper outside Los Angeles. Since 30 copies of the Signal are sold in San Francisco, Newhall asked the city whether the tax would apply to him. Yes, it would, said the city; it would probably cost about $3.75 each quarter...
State Police then formed lines on the Massachusetts Hall side of the University Hall, and on a signal, charged first the north door, then the south...