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by Goldy Lukka.
Original Post: GPSTk the GPS Toolkit
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The GPSTk provides both fundamental and advanced GPS processing algorithms to the open source community. A wide array of functions are provided by the GPSTk library, notably: RINEX I/O, ephemeris calculation, atmospheric refraction models, and positioning algorithms. GPSTk applications provided more concrete benefits to the user, including: cycle slip detection and removal, calculation of the Total Electron Content (TEC) of the ionosphere, and RINEX file manipulation.
GPSTk is distributed under the GNU LGPL. This license makes the library free to use, share, and improve, and allows you to pass on the result. Software developed under any license scheme can use this library. Notably, it is possible for commercial projects to use the GPSTk.
The GPSTk is sponsored by Space and Geophysics Laboratory, within the Applied Research Laboratories at the University of Texas at Austin (ARL:UT). GPSTk is the by-product of GPS research conducted at ARL:UT since before the first satellite launched in 1978; it is the combined effort of many software engineers and scientists. In 2003 the research staff at ARL:UT decided to open source much of their basic GPS processing software as the GPSTk.
The only pitfall here is that the library is written in C++. Wish they could aslo build a library for Java.
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