ロラン空間波補正値について(日本航海学会第22回講演会)

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タイトル別名
  • About Corrections of Loran Sky Wave
  • ロラン空間波補正値について
  • ロラン クウカンハ ホセイチ ニ ツイテ

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抄録

The measurement of corrections of the Loran sky wave was carried out by Loran rates 2S1 and 2S2, on the sea at the eastern part of Japan in August, 1959. The following are results from comparison of delay times observed with those obtaind from the empirical formula. 1. Curves of the measured values at any day differ from the one by the empirical formula, but the mean of all data looks to agree nearly with it. 2. Probable errors of the delay times are 10.2^^<μs> at the position 291 miles distant from the station, 6.7^^<μs> at 385 miles and 4.5^^<μs> at 533 miles. 3. From the fifty data obtained by the measurements at places 250 miles or more apart from the nearest station, we got 4.2^^<μs> of probable error of the sky wave correction.

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