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Rain attenuation measurement on Ku-band satellite TV downlink in small Island countries

Ramachandran, Visagaperuman and Kumar, Vickal V. (2004) Rain attenuation measurement on Ku-band satellite TV downlink in small Island countries. Electronics Letters, 40 (1). pp. 49-50. ISSN 0013-5194

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Abstract

Analysis of 13-year rain-rate measurements in Fiji shows that the rain exceeded 50 mm/h for 0.01% of a year (R0.01), which is significantly lower than those predicted by existing models. Simultaneous measurements of Ku-band attenuation and rain-rate give A0.01 and R0.01 as 9.7 dB and 54 mm/h, respectively. The ratio of attenuation exceedence for the worst month and yearly (at A=A0.01) was 1.8, which is lower than that predicted by the ITU-R study group. The attenuation exceeds the Ku-band link margin for about 15.6 h in a year.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
Depositing User: Ms Neha Harakh
Date Deposited: 26 Apr 2004 05:29
Last Modified: 08 May 2012 17:05
URI: http://repository.usp.ac.fj/id/eprint/3119
UNSPECIFIED

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