Blog Detail

GNSS Blog

http://www.PosiTim.com/gnss/gnss_blog.html

Details of the different Global Satellite Navigation Systems GPS, GLONASS, Galileo, and others. Also includes regional augmentation systems like WAAS and EGNOS

Added on: Apr 13th, 2008
Country: Germany
Language: English

Author: springinhetveld
Listed in: Technology Space
Tags: gps galileo navigation gnss glonass compass beidou

Recent Posts

GNSS Year in Review 2009

Posted on Wednesday December 23rd, 2009 at 17:53 in gps, slr, galileo, compass, glonass, svn-49 anomaly, qzss

So what happened in the GNSS world in 2009!?Well....not as much as we hoped for but some progress was made. Most progress was made "behind the scenes".GPSThe most exiting and most "visible" was the launch of the GPS satellite SVN-49. This satellite b...
GLONASS Update

Posted on Wednesday December 2nd, 2009 at 15:02 in glonass, launch schedule

So it is time for an update on GLONASS.As you may have noticed meanwhile the September has been canceled. There have been all sorts of speculations and it was difficult to get any hard facts. As far as we have been able to figure out the reason for c...
A detailed look at GPS Satellite SVN-49/PRN-01

Posted on Friday October 16th, 2009 at 16:50 in gps, l5, svn-49 anomaly

As promised in my post "Problem with new GPS Satellite SVN-49/PRN-01"here some details regarding what we observe when we analyse the data of this satellite.Below are two plots. The first one showing the pseudo range residuals of a "normal" GPS satell...
GLONASS Launch Schedule Update

Posted on Friday October 16th, 2009 at 16:46 in cdma, glonass, launch schedule, fdma

As in 2008 the GLONASS schedule promises again two triplet launches this year. The first one to take place on September 25, just like in 2008. The second is planned for the meanwhile "traditional" Christmas launch around the end of December. The firs...
Successfull GLONASS Launch

Posted on Friday October 16th, 2009 at 16:46 in gnss, glonass, launch schedule

The GLONASS launch planned for today, December 25, 2008, was successfull! Launches around Christmas are by now a tradition for GLONASS. Since several years the Christmas time is used to make "triplet" launches. This launch was the second triplet laun...
GLONASS Launch Schedule Update

Posted on Friday October 16th, 2009 at 16:46 in glonass, launch schedule

The GLONASS schedule promised two triplet launches this year. The first one took place on September 25. The second is planned for December 25. All three satellites of the September launch were succesfully taken into serve, in fact in record time! Unf...