Presentation 2006/10/12
Prediction of sky-wave field strength at frequencies between about 150 and 1700 kHz
Kenro NOZAKI, Noboru WAKAI,
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Abstract(in English) The current Recommendation ITU-R P.1147-2^<[2]> presents the method for predicting annual median field strengths in the nighttime between 150 and 1700kHz. However, the method based mainly on graphical procedures has some inconvenience in applying it to practical cases. This paper presents a numerical method applicable to predict monthly median field strengths of the ground-wave, the sky-waves and the resultant of both waves to be received, incorporating those in the daytime to the recommendation.
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Keyword(in English) MF / Electric Field / Prediction Method
Paper # A・P2006-77
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Committee AP
Conference Date 2006/10/12(1days)
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Registration To Antennas and Propagation (A・P)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Prediction of sky-wave field strength at frequencies between about 150 and 1700 kHz
Sub Title (in English)
Keyword(1) MF
Keyword(2) Electric Field
Keyword(3) Prediction Method
1st Author's Name Kenro NOZAKI
1st Author's Affiliation National Institute of Information and Communications Technology()
2nd Author's Name Noboru WAKAI
2nd Author's Affiliation Radio Engineering and Electronics Association
Date 2006/10/12
Paper # A・P2006-77
Volume (vol) vol.106
Number (no) 302
Page pp.pp.-
#Pages 5
Date of Issue