National_Catalogues: Apparent Diurnal Effects in the Global Positioning System
Title:
Apparent Diurnal Effects in the Global Positioning System
Identifier:
ADA500876
STOAbstractExternal:
Since the Global Positioning System (GPS) has been used for common view time and frequency transfer between remote locations various systematic effects have been observed. These effects have been discussed on various occasions appearing as biases between different daily measurements as well as obstructing closure in around-the-world time transfer. In addition we may attempt to look at GPS satellites from several locations around the world, after linking the ground station clocks using GPS. The results are that there are apparent diurnal variations in many of the SV clocks. We study these systematic effects here, the biases in common view time transfer, the lack of closure in around-the-world time transfer, and the diurnal variations in the SV clocks. We conclude that the diurnal effects are primarily due to errors in the transmitted satellite ephemeris and ionospheric model.
STOAuthorExternal:
NATIONAL BUREAU OF STANDARDS BOULDER CO TIME AND FREQUENCY DIV, Weiss, M.
STOClassificationExternal:
N
STOKeywordsExternal:
PRECISE TIME, TIME TRANSFER
STOPublisher:
USA
Language:
English
STOReportSource:
http://www.dtic.mil/docs/citations/ADA500876
Published:
12/1/1987
Created at 11/9/2016 3:26 PM by System Account
Last modified at 11/9/2016 3:26 PM by System Account
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