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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect
Calibration and operation of an autonomous Water Cherenkov Detector using Red Pitaya in Quito
C. Rosero
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Pre-published on: 2019 November 05
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Escuela Politécnica Nacional (EPN), one of the institutes working in the field, developed some detectors based on Si-PMT and PMT. In this paper, we present the design of an autonomous water Cherenkov detector (WCD) capable of detecting astroparticles. The detector makes pulse digitization and calculates the rate of such particles arriving at 2850 m a.s.l. close to zero latitude. Using a commercial Red Pitaya board, the WCD registers temperature, pressure, and relative humidity at the site. The data from the conditioned PMT signal and from the environmental sensors are acquired and processed using a Red Pitaya board that digitizes the signal at 125 MHz. Additionally, taking advantage of a GPS precision, the collected information is synchronized. After 5 months of operation, we present the climate conditions in Quito and the temperature-pressure corrected fluxes of astroparticles. The development of this project has allowed the implementation of a low-cost monitoring station, providing useful information for the analysis of the behavior of the space weather.
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