Tagged: navigation

Satellite Orbits: Global Navigation Systems - Out of Space

Duncan Steel Feb 05, 2019

Apart from the US-provided Global Positioning System (GPS) used by most commercial navigation systems – such as in your car, or mobile phone – there are several distinct networks operated by other space agencies deploying their own satellite fleets. Here I describe the orbits employed by the Russian, European Union and Chinese GNSS constellations. (Part 3 in a series of … Read More

How far they’ll go: Moana shows the power of Polynesian celestial navigation - Guest Work

Guest Author Feb 16, 2017

By Duane W. Hamacher, Monash University and Carla Bento Guedes, UNSW One of the greatest feats of human migration in history was the colonisation of the vast Pacific Ocean by Polynesian peoples. They achieved it thanks to their sophisticated knowledge of positional astronomy and celestial navigation. The Disney film Moana has drawn attention to … Read More