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http://dx.doi.org/10.11003/JPNT.2015.4.1.025

Evaluation of Daily Jump Compensation Methods for GPS Carrier Phase Data  

Lee, Young Kyu (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Yang, Sung-Hoon (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Lee, Chang Bok (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Lee, Jong Koo (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Publication Information
Journal of Positioning, Navigation, and Timing / v.4, no.1, 2015 , pp. 25-31 More about this Journal
Abstract
In this paper, we described the timing-offset comparison results between various daily jump compensation methods for GPS carrier phase (CP) measurement data. For the performance comparison, we used about 70 days GPS measurement data obtained from two GPS geodetic receivers which share the reference 1 PPS and RF signals and closely located in each other within a few meters. From the experiment results, the followings were observed. First, daily jumps existed in CP measurements depend on not only the environment but also the receiver which will make a full compensation be very hard or impossible. Second, clock bias can be occurred in the case of using a simple compensation with accumulation of daily jumps but it could be used in a short-period frequency comparison campaign (less than about 7 days) despite of its drawback.
Keywords
daily jump; GPS carrier phase; precise point positioning; timing receiver; offset compensation;
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