ISSN 2083-6473
ISSN 2083-6481 (electronic version)




Associate Editor
Tomasz Neumann

Published by
TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
www http://www.transnav.eu
e-mail transnav@am.gdynia.pl
Nominal and Real Accuracy of the GPS Position Indicated by Different Maritime Receivers in Different Modes
1 Gdynia Maritime University, Gdynia, Poland
ABSTRACT: Nowadays on the ship's bridge two or even more GPS receivers are installed. As in the major cases the coordinates of the position obtained from these receivers differ the following questions can be posed - what is the cause of this divergence, which receiver in the first must be taken into account etc. Based on information published in annual GPS and GNSS receiver survey it was estimated the percentage of GPS receivers designed for marine and/or navigation users. The measurements of GPS position based on the four different stationary GPS receivers were realized in the laboratory of Gdynia Maritime University in Poland in the summer 2012. The coordinates of the position of all these receivers were registered at the same time. The measurements in mode 3D were made for different input data, the same for all receivers. The distances between the individual unit's antenna were considered also. Next measurements in mode 3D also were realized on two ships in different European ports. Additional measurements were made in mode 2D with three receivers for different their's antenna heights. The results showed that the GPS position accuracy depends on the type of the receiver and its technical parameters particularly.
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Citation note:
Januszewski J.: Nominal and Real Accuracy of the GPS Position Indicated by Different Maritime Receivers in Different Modes. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 8, No. 1, doi:10.12716/1001.08.01.01, pp. 11-19, 2014

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