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Regional positioning services as economic and construction activity indicators: the case study of Andalusian Positioning Network (Southern Spain)
Authors:R Páez  I Barbero  M Berrocoso
Institution:1. Facultad de Ciencias, Departamento de Estadística e Investigación Operativa, Universidad de Cádiz, Cádiz, Spain;2. Laboratorio de Astronomía, Geodesia y Cartografía, Facultad de Ciencias, Departamento de Matemáticas, Universidad de Cádiz, Cádiz, Spain
Abstract:The Andalusian Positioning Network (RAP) is a regional GNSS permanent network in Southern Spain that offers two public services for precise positioning: real-time (RAP-Internet Protocol IP]) and post processing (RAP-File Transfer Protocol FTP]). Most of the registered users are linked to the construction sector, so the collapse of the housing bubble and the Spanish economic crisis influenced the use of RAP services from 2008. The behaviour of these services has differed somewhat, although analysis for the years 2008–2013 reveals a general decline. Since 2009, the RAP-FTP service demand fell by 50%, but the RAP-IP service was stable until October 2011, when it began a steep decline in December 2012. Analysing the temporal demand and the geospatial connections of RAP-IP with economic impact indicators, we found a high linear correlation between this service and jobs in the construction sector (.98) and permit building (.96). The real-time and associated geoinformation are its main advantages.
Keywords:GPS  network RTK  active permanent network  Spanish construction crisis  permit building
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