Ashtech G12E-RTK Receiver: Float and Fixed Ambiguity Performance

Dmltry Kozlov Victor Lloskm, Valery Morgoon, Oleg Mostatchev

Abstract:	In this paper, we consider some important issues ot’ a new Ashtech C/A code real time kinematic (RTK) system: G 12E-RTK receiver. We show that G 12E-RTK performance may be placed between standard DGPS systems (meter) on one hand, and expensive L1&L2 RTK (centimeter) on the other. At the same time, i~ is as simple as DGPS. At the same time, it also has an option, which often allows to get the same accuracy as LI &L2 RTK systems (of course. initialization time is longer). We present test results, which show fast enough RTK convergence with tloat ambiguity (decimctcr) as WC]] as appropriate performance of fixed ambiguity RTK solution (centimeter). Finally wc demonstrate what benefit in speed and reliability of iloat and fixed ambiguity soluti(m the user may have upgrading Cl 2E-RTK firmware with GLONASS option.
Published in:	Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998) September 15 - 18, 1998 Nashville, TN
Pages:	2063 - 2072
Cite this article:	Lloskm, Dmltry Kozlov Victor, Morgoon, Valery, Mostatchev, Oleg, "Ashtech G12E-RTK Receiver: Float and Fixed Ambiguity Performance," Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998), Nashville, TN, September 1998, pp. 2063-2072.
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