Customer Service Center

• PosApp (SimGEN, SimREPLAYplus)

• GLONASS Almanacs can be obtained from the following web site:
  • This includes the GLONASS Almanac (extension ".agl") and the RINEX format Almanac (extension ".13G") 

http://glonass-iac.ru/en/archive/

• Both the GLONASS Almanac (extension ".agl") and the RINEX Almanac (extension ".13G") are directly compatible with SimGEN and SimREPLAYplus.
• Upload the file into the software as follows:
     1) Open the "GLONASS constellation" file.
     2) Navigate to the "motion" --> "orbits" page.
     3) Click "load orbits from file" button.
     4) Select the required Almanac type 
             - "GLONASS Almanac" for a GLONASS almanac (Extension ".agl")
             - "RINEX" for a RINEX file (extension ".13G")
     5) Browse to the downloaded file.
     6) Click OK to complete the loading of the Almanac.
   
• The user should take care that the reference time of the orbital parameters is close to the actual start time (see FAQ11801)