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.
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