GPS and relativity

GPS is used every day on mobile phones, cars, trains, aircraft, … but if they just provide the device positioning on Earth why are they affected by relativity?

GLONASS overview

GLONASS is the Russian Global Navigation Satellite System (GNSS) which has been in full operation since December 1995. Today we will talk about its basic features (frequencies, codes, accuaracy,…) and we are going to also compare it slightly to the most famous one, GPS.

Egnos, the European SBAS

EGNOS is the European SBAS (Satellite-Based Augmentation System) which gives a more accuracy position than GPS. Today we bring to you its features, functionalities and applications.

GALILEO, what is it?

There exist different Global Navigation Satellite System, GPS from US, GLONASS from Russia, COMPASS from China and GALILEO from Europe. GALILEO is the newest and the one we will talk about today.