Articles in the GNSS Category

Sep 2018 | No Comment

Reports of problems with GPS appear with increasing frequency. As two of many examples:

Sep 2018 | No Comment

Those in the GNSS/PNT community will say it’s because virtually every technology uses GNSS signals, and most depend upon them. When signals are disrupted, something bad could happen.
But how likely is that? What is the risk and are we willing to take it? These are questions that many governments are starting to ask.

Aug 2018 | No Comment

In May 2016, Google announced the availability of GNSS raw measurements from Android 7. Since then, the developers can access carrier and code measurements and decoded navigation messages from mass-market devices.

Aug 2018 | No Comment

Now a days more than hundred Global Navigation Satellite System (i.e. GPS, GLONASS, Galileo, Beidou, and IRNSS) signals are available everywhere all the time at free of cost. Hence, dependency on the GNSS technology has been…

Jun 2018 | No Comment

Isro develops desi atomic clock, to be used in navigation satellites
In a significant development, Indian Space Research Organisation (Isro) has developed an atomic clock that will be used in navigation satellites to measure precise location data. The space agency currently imports atomic clocks from European aerospace manufacturer Astrium for its navigation satellites.
Tapan Misra, …

May 2018 | No Comment

Precise levelling is a traditional method to measure height differences. Currently work stages are performed by hand. In this paper the challenges of robotizing precise levelling measurements are discussed. The difference to the existing solutions…

May 2018 | No Comment

The ITU Membership considered and approved a package of eight ITU-R Recommendations on radionavigation-satellite service (RNSS) systems as listed below…

Mar 2018 | No Comment

Self-learning total stations. Onebutton laser scanners. Calibrationfree, forget-the-bubble GNSS receivers…

Mar 2018 | No Comment

With the development of modern Global Satellite Navigation System (GNSS), the accuracy performance of satellite positioning and navigation is obviously improved, which extends the range of applications greatly for the GNSS receivers…

Mar 2018 | No Comment

Recently, most of the smart phones come with GNSS device. Owing to this, many GNSS based applications are being developed. Some of the applications, in spite of being free of cost, have full of features…