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Evidence of trends in rain event size effecting trends in rain fade

Paulson, Kevin S.


Kevin S. Paulson


Rain gauge studies have shown that the incidence of rain at rates associated with outage on terrestrial links, has shown an increasing trend in several countries, over the last 30 years. However, no evidence is available from microwave links to show whether outage rates, or the incidence of fade, is similarly increasing. This paper presents evidence of fade trends, derived from a decade of rain radar data. Although a decade is too short a period to observe rain rate trends, evidence is presented that trends in the size of rain events is leading to changes in the relationship between point rain rates and rain fade. Furthermore, these trends are shown to vary significantly across the UK. Temporal trends in both rain rates and their link to rain fade, make it more difficult to adapt ITU-R Recommendation to a changing climate.


Paulson, K. S. (2016). Evidence of trends in rain event size effecting trends in rain fade. Radio science, 51(3), 142-149.

Journal Article Type Article
Acceptance Date Feb 13, 2016
Online Publication Date Mar 11, 2016
Publication Date Apr 16, 2016
Deposit Date Feb 26, 2016
Publicly Available Date Mar 11, 2016
Journal Radio science
Print ISSN 0048-6604
Electronic ISSN 1944-799X
Publisher American Geophysical Union
Peer Reviewed Peer Reviewed
Volume 51
Issue 3
Pages 142-149
Keywords Rain; Rain fade; Fade trends; Climate change; Microwave; Propogation; Simulation; Spectrum planning; Link budget
Public URL
Publisher URL
Additional Information Author's accepted manuscript of article published in: Radio science, 2016, v.51, issue 3.


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