Explanipedia

Sources of Error in Satellite Navigation Positioning Open

J. Januszewski · 2017

An uninterrupted information about the user’s position can be obtained generally from satellite navigation system (SNS). At the time of this writing (January 2017) currently two global SNSs, GPS and GLONASS, are fully operational, two next…

Global Satellite Navigation Systems at High Latitudes, Visibility and Geometry Open

J. Januszewski · 2016

Since few years the significance of the navigation at high latitudes (60° and more), increases incessantly, e.g. northern passages between Atlantic and Pacific Waters. In these regions the user’s position can be obtained mainly from global…

Global navigation satellite systems applications in different modes of transport Open

J. Januszewski · 2016

Nowadays (July 2016) we can distinguish four modes of transport – air, maritime, rail and road. In each mode the continuous knowledge of the current user’s position is one of the most important parameters of safety and economy of the trans…

BeiDou and Galileo, Two Global Satellite Navigation Systems in Final Phase of the Construction, Visibility and Geometry Open

J. Januszewski · 2016

Spatial segment is one of three segments of each satellite navigation systems (SNS). Nowadays two SNSs, GPS and GLONASS, are fully operational, two next SNSs, BeiDou in China and Galileo in Europe, are in final phase of the construction. I…

Visibility and Geometry of Global Satellite Navigation Systems Constellations Open

J. Januszewski · 2015

Nowadays (November 2015) there are two global fully operational satellite navigation systems, American GPS and Russian GLONASS. Two next are under construction, Galileo in Europe and BeiDou in China. As the error of observer’s position obt…

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