Performance evaluation in the acquisition of meteorological data from a low cost station for water sports practitioners
Keywords:Wind speed, Wind direction, Anemometer, Anemoscope
Outdoor water sports practitioners need information about the meteorological elements in the place where they practice it, however, the information available most of the time does not take into account the specificities of the surroundings and does not contemplate the real situation. The objective of this study is to develop a weather station with real-time data transmission, for a communication application for water sports players' cell phones. The methodology was divided into three stages: elaboration of a prototype of a weather station with low cost sensors; comparison of meteorological elements obtained in the prototype and IFSC Campus Florianopolis station and transmission of meteorological elements measured by the prototype via 4G network, in real time. Field tests and adjustments in the development phase of the station were carried out at the Florianopolis Campus of the Federal Institute of Santa Catarina (IFSC), by comparing the data from the developed station and a portable weather station from Vaisala brand model WXT510. Data transmission took place with the development of a communication module coupled to a cell phone with OTG technology. As a result, the comparison between the meteorological elements measured between the stations obtained a Spearman correlation of 0.972; 0.929; 0.989; 0.944 and 1, respectively for wind speed, wind direction, air temperature, relative air humidity and atmospheric pressure, indicating that in all measured meteorological elements the time series are strongly correlated.
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