National/International Agency

• UN Office of Outer Space Affairs

Research Center

• Wuhan University - GNSS Research Center
• Korean National GNSS Research Center

Center of Orbit Determination in Europe (CODE)

• ftp://ftp.unibe.ch/aiub/CODE
• Download satellite navigation files

Software

• TEQC software

RNX2GTEX software:

Linux/Unix version (ver 1.1.2): http://seg-web.nict.go.jp/GPS/DRAWING-TEC/software/RNX2GTEX.tgz

Window version (ver 2001): http://seg-web.nict.go.jp/GPS/DRAWING-TEC/software/RNX2GTEX_WIN.zip

GNSS Magazine/Journals

• Glonass/GNSS Forum
• Herald Glonass Journal of Navigation
• Coordinates
• INside GNSS

Conferences

• ION
• IS-GNSS
• European Navigation Conference
• ICL-GNSS

GBAS/SBAS

• https://www.enri.go.jp/~sakai/sbas_e.htm