Title :
Characterisation of NPL´s geodetic GPS time transfer receivers
Author :
Clarke, Jon D. ; Davis, John A. ; Lowe, Andrew J.
Author_Institution :
Centre for Time Metrol., Nat. Phys. Lab., Teddington, UK
Abstract :
This paper presents an investigation into the sources of instability in geodetic GPS time transfers at the National Physical Laboratory (NPL). This investigation shows that for averaging times up to six hours, the delay instabilities of the NPL geodetic GPS receivers give the largest contribution to the overall geodetic GPS time transfer instability for a baseline of 5 m. Also, they make a significant contribution over a longer baseline of 750 km
Keywords :
Global Positioning System; delays; radio receivers; stability; time measurement; transfer standards; 5 m; 6 h; 750 km; NPL; National Physical Laboratory; delay instabilities; geodetic GPS time transfer receivers; instability; time transfer instability; Clocks; Delay effects; Frequency; Global Positioning System; Hardware; Laboratories; Metrology; Receiving antennas; Stability; Timing;
Conference_Titel :
Frequency and Time Forum, 1999 and the IEEE International Frequency Control Symposium, 1999., Proceedings of the 1999 Joint Meeting of the European
Conference_Location :
Besancon
Print_ISBN :
0-7803-5400-1
DOI :
10.1109/FREQ.1999.840748
