ftp://igs.gnsswhu.cn/pub/gps/products/
ftp://nfs.kasi.re.kr/gps/products/
ftp://igs.ensg.ign.fr/pub/igs/products
ftp://cddis.gsfc.gov/pub/gps/products/
ftp://igs.ensg.eu/pub/igs/products/
GPS Week: 2354 DayOfWeek: 2 SecondsOfWeek: 244591 SecondsOfDay: 71791 DayOfYear: 49 MJulianDays: 60724.8309143518518518518518 JulianDays: 2460725.3309143518518518518518