| Title | 
            Published | 
                  Updated | 
|---|---|---|
| Jammers | 12-Jan-2010 | 20-Jan-2014 | 
| Galileo status and planning | 11-Jan-2010 | 20-Jan-2014 | 
| Current GPS receivers characteristics | 22-Dec-2009 | 20-Jan-2014 | 
| High precision positioning with standard GPS receiver | 17-Dec-2009 | 20-Jan-2014 | 
| GLONASS status and planning | 17-Dec-2009 | 20-Jan-2014 |