TY - CONF TI - An online application for the barometric coefficient calculation of NMDB stations AU - Paschalis, P. AU - Mavromichalaki, H. AU - Yanke, V. AU - Belov, A. and AU - Eroshenko, E. AU - Gerontidou, M. AU - Koutroumpi, I. PY - 2013 SP - null PB - IOP Publishing Ltd T2 - 23RD EUROPEAN COSMIC RAY SYMPOSIUM (AND 32ND RUSSIAN COSMIC RAY CONFERENCE) TODO - 10.1088/1742-6596/409/1/012179 TODO - null TODO - One of the most important data corrections related to the primary data processing of the neutron monitors is the pressure correction due to the barometric effect. This effect induces considerable variation in the counting rate of a cosmic ray detector which is not related to the real variation of the cosmic rays flux but only to the local atmospheric pressure of the station. In order to provide the worldwide neutron monitor network with good quality data, a correction has to be made that requires the calculation of the barometric coefficient. A new method that effectively calculates the barometric coefficient for a station using data of a reference station in order to subtract the primary variations of cosmic rays is presented in this work. Moreover, this method is the prototype of an online tool that uses data of the NMDB stations and calculates the barometric coefficient for any available station. This tool is also presented. ER -