Positioning quality of global navigation satellite system receivers Grant US-9664792-B2 United States of America 30 May 2017
Positioning quality of global navigation satellite system receivers Grant US-9535161-B2 United States of America 03 Jan 2017
DIFFERENTIALLY COHERENT STROBE CORRELATOR Application US-20130120189-A1 United States of America 16 May 2013
Universal digital channel for receiving signals of global navigation satellite systems Grant US-7764226-B1 United States of America 27 Jul 2010
Methods and systems for improvement of measurement efficiency in surveying Grant US-6633256-B2 United States of America 14 Oct 2003
Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random… Grant US-6493378-B1 United States of America 10 Dec 2002