For more information about the data in this directory, please see http://www2.inpe.br/climaespacial/ This directory contains the raw data files that are used to analyze the ionospheric parameters. The directory follows the structure: - station - year - day of the year - data The data file name is STN_YYYYMMDD.RSF (or STN_YYYYMMDD.GRM) and STN_YYYYMMDD.SAO, where: STN: station label (5 digits (letters and numbers)) YYYY: year (4 digits) MM: month (2 digits) DD: day (2 digits) Station coordinates: longitude latitude station -48.5013 -1.4563 BLJ03 (Belem) -44.2097 -2.5941 SAA0K (Sao Luis) -38.5270 -3.7327 FZA0M (Fortaleza) -60.7109 2.8701 BVJ03 (Boa Vista) 54.6218 -20.4649 CGK21 (Campo Grande) -45.0093 -22.7038 CAJ2M (Cachoeira Paulista) -53.8043 -29.6897 SMK29 (Santa Maria)