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Time and Frequency Transfer Using a WAAS Satellite with L1 and L5 Code and Carrier



Marc A. Weiss, P Fenton, Edward Powers, A. Kropp, Raymond Pelletier


Two Wide Area Augmentation System (WAAS) satellites are now transmitting the standard L1 and L5 carriers and codes of the Global Positioning System (GPS). Since these are geostationary satellites, it is possible to aim a parabolic dish at one and obtain high-gain, low-multipath interference signals without interruption. Such high-gain dishes, along with appropriate GPS receivers, were set up at three timing laboratories in North America: the National Institute of Standards and Technology in Boulder, Colorado, U.S.A., the United States Naval Observatory (USNO) in Washington D.C., U.S.A., and the National Research Council (NRC), Ottawa, Ontario, Canada. We report the results of this experiment over a 104 d period: January 1 to April 14, 2008, though with several significant outages, and other clock/data problems.
Proceedings Title
Proc. Freq. Cont. Symp
Conference Dates
May 19-22, 2008
Conference Location
Honolulu, HI


Wide Area Augmentation System, GPS L1, GPS L5, time transfer stability, carrier-phase time transfer


Weiss, M. , Fenton, P. , Powers, E. , Kropp, A. and Pelletier, R. (2008), Time and Frequency Transfer Using a WAAS Satellite with L1 and L5 Code and Carrier, Proc. Freq. Cont. Symp, Honolulu, HI, [online], (Accessed May 29, 2024)


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Created May 19, 2008, Updated February 17, 2017