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The Soviet Union's K project nuclear test series〔 was a group of 5 nuclear tests conducted in 1961-1962. These tests followed the ''1961 Soviet nuclear tests'' series and preceded the ''1962 Soviet nuclear tests'' series. The K project nuclear testing series were all high altitude tests fired by missiles from the Kapustin Yar launch site in Russia across central Kazakhstan toward the Sary Shagan test range (see map below). Two of the tests were 1.2 kiloton warheads tested in 1961. The remaining three tests were of 300 kiloton warheads in 1962. == Electromagnetic pulse == The worst effects of a Soviet high altitude test were from the electromagnetic pulse of the nuclear test on 22 October 1962 (during the Cuban missile crisis). In that Operation K high altitude test, a 300 kiloton missile-warhead detonated west of Jezkazgan (also called Dzhezkazgan or Zhezqazghan) at an altitude of . The Soviet scientists instrumented a section of telephone line in the area that they expected to be affected by the nuclear detonation in order to measure the electromagnetic pulse effects. The electromagnetic pulse (EMP) fused all of the 570-kilometer monitored overhead telephone line with measured currents of 1500 to 3400 amperes during the 22 October 1962 test. The monitored telephone line was divided into sub-lines of in length, separated by repeaters. Each sub-line was protected by fuses and by gas-filled overvoltage protectors. The EMP from the 22 October (K-3) nuclear test caused all of the fuses to blow and all of the overvoltage protectors to fire in all of the sub-lines of the telephone line.〔 The EMP from the same test caused the destruction of the Karaganda power plant, and shut down of shallow-buried power cables between Astana (then called Aqmola) and Almaty.〔 The Partial Test Ban Treaty was passed the following year, ending atmospheric and exoatmospheric nuclear tests. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Soviet Project K nuclear tests」の詳細全文を読む スポンサード リンク
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