igs综合产品
ftp://cddis.gsfc.nasa.gov/pub/gps/products
GPS单系统
igs 最终产品
igr 快速产品(rapid)
igu 超快速产品(Ultra Rapid)
ftp://cddis.gsfc.nasa.gov/pub/glonass/products
GPS+GLONASS
igv 超快速产品
gbm产品
GPS+GLONASS
ftp://ftp.gfz-potsdam.de/pub/GNSS/products/
/final
/rapid
/ultra
whu gfz多系统产品
ftp://cddis.gsfc.nasa.gov/pub/glonass/products/mgex/
GPS+GLONASS+Galileo+BDS-2+BDS-3
WUM0MGXFIN final
WUM0MGXULA ultra
https://www.researchgate.net/project/Multi-GNSS-analysis-at-Wuhan-University-attitude-solar-radiation-pressure-phase-center-and-more/update/5c7957c33843b034242dd188
WUM产品说明
GPS+GLONASS+Galileo+BDS-2+BDS-3+QZSS
GFZ0MGXFIN final
GFZ0MGXRAP rapid
各类型星历精度、更新时间、数据时间间隔比较
注:ps = 10^-12s? ? ns = 10^-9s