Accurate Time and Frequency Comparisons
Using GPS Phase and Code Measurements
Sat. Author Date Report
----- ---------------- ---------- ----------------------------------
G02 Y. Bar-Sever 02-Dec-98 yaw bias turned off; sun angle bias
G03 D. Jefferson 03-May-99 117 us clock reset at ~21:50
D. Jefferson 03-May-00 109 us clock reset at ~17:20
Y. Bar-Sever 05-Feb-02 106 us clock reset at ~13:35
G04 D. Jefferson 05-Aug-99 477 us clock reset at ~23:45
D. Jefferson 23-May-00 781 us clock reset at ~14:10
D. Jefferson 26-Mar-01 3.3 us clock reset at ~16:45
Y. Bar-Sever 07-Feb-02 226 us clock reset at ~09:20
G05 Y. Bar-Sever 11-Feb-02 338 us clock reset at ~16:30
G06 D. Jefferson 31-Aug-01 3 us clock reset at ~06:10
G07 D. Jefferson 20-Apr-99 812 us clock reset & rate change at 08:00
D. Jefferson 01-Dec-99 338 us clock reset at ~17:20
D. Jefferson 28-Aug-01 rate change from -34 ps/s to +40 ps/s at ~19:00
D. Jefferson 23-Nov-01 3 us clock reset at ~05:35
G08 D. Jefferson 30-Jul-99 612 us clock reset at ~09:10
D. Jefferson 16-May-00 696 us clock reset at ~09:55
D. Jefferson 16-Mar-01 802 us clock reset at ~15:30
D. Jefferson 16-Jan-02 37 us clock reset at ~15:15
G09 D. Jefferson 29-Jun-99 49 us clock reset at ~08:15
D. Jefferson 19-Jul-00 541 us clock reset at ~17:45
D. Jefferson 27-Jul-01 55 us clock reset at ~04:50
G10 Y. Bar-Sever 14-Feb-02 19 us clock reset at ~13:30
G11 D. Jefferson 05-Oct-00 630 us clock reset at ~08:55
G13 Y. Bar-Sever 10-May-98 new phase center offset values
J. Kouba 21-May-98 IGS clock solution/offset problem
Y. Bar-Sever 28-May-98 Re: IGS clock solution/offset problem
J. Kouba 02-Jun-98 Re: IGS clock solution/offset problem
J. Kouba 17-Jun-98 PRN13 offset
Y. Bar-Sever 17-Jun-98 Re: PRN13 offset
J. Kouba 18-Jun-98 Re: PRN13 offset
B. King 18-Jun-98 SV antenna offsets
Y. Bar-Sever 18-Jun-98 Re: PRN13 offset
J. Kouba 18-Jun-98 Re: PRN13 offset
Y. Bar-Sever 18-Jun-98 Re: SV antenna offsets
P. Tregoning 19-Jun-98 Re: SV antenna offsets
Y. Bar-Sever 23-Jun-98 Re: SV antenna offsets
T. Springer 24-Jun-98 Re: SV antenna offsets
J. Kouba 08-Jul-98 Re: SV antenna offset
G13 Y. Bar-Sever 28-Jan-99 Changed yaw model during low beta angles
D. Jefferson 19-Jun-99 32 us clock reset at ~18:50
G14 D. Jefferson 26-Jan-00 42 us clock reset & rate change at 02:05
G16 D. Jefferson 19-Feb-00 0.5 us clock reset at ~10:20
D. Jefferson 04-Mar-00 167 us clock reset at ~10:00
D. Jefferson 05-Mar-00 4 us clock reset at ~18:30
D. Jefferson 28-Mar-00 1 us clock reset & rate change at ~15:50
D. Jefferson 30-Mar-00 clock rate change
D. Jefferson 15-May-00 clock drift change
D. Jefferson 23-Jun-00 75 us clock reset at ~07:05
T. Soler et al. 27-Jul-00 removed from service due to failed freq. standards
D. Jefferson 05-Aug-00 two clock drift changes
D. Jefferson 14-Aug-00 large clock reset and two rate changes
DOD Support Cent. 14-Sep-00 L-Band navigation signal was turned off
G17 D. Jefferson 04-Jun-01 clock rate change at 20:30
G19 D. Jefferson 16-Apr-99 130 us clock reset at 05:35
D. Jefferson 23-Sep-99 80 us clock reset at ~20:10
G21 D. Jefferson 15-Dec-98 71 us clock reset at ~06:15
D. Jefferson 12-Jan-00 41 us clock reset at ~02:25
D. Jefferson 19-Jan-01 21 us clock reset at ~14:40
D. Jefferson 10-Jan-02 5 us clock reset at ~06:35
G22 D. Jefferson 12-Jan-99 637 us clock reset at ~14:15
D. Jefferson 09-Aug-99 425 us clock reset at ~14:35
D. Jefferson 15-Jun-00 260 us clock reset at ~03:30
R. Langley 28-Jul-01 clock failure at ~22:10
Y. Bar-Sever 19-Mar-02 631 us clock reset at ~00:00
G23 D. Jefferson 17-May-99 13 us clock reset at ~17:10
L. Schmidt et al. 08-Sep-99 clock powered off & reset
D. Jefferson 01-Nov-01 23 us clock reset at ~07:30
G24 D. Jefferson 02-Dec-99 clock rate change at ~12:45
DOD Support Cent. 07-Sep-00 removed from service due to failed Rb standard
DOD Support Cent. 11-Sep-00 returned to service using Cs #4 standard
D. Jefferson 18-Oct-01 88 us clock reset at ~03:35
G25 D. Jefferson 05-Dec-98 6 us clock reset at ~07:15
G26 D. Jefferson 12-Jan-99 752 us clock reset at ~01:25
D. Jefferson 17-Dec-99 578 us clock reset at ~08:45
D. Jefferson 19-Oct-00 563 us clock reset at ~09:00
D. Jefferson 05-Sep-01 569 us clock reset at ~01:35
G27 D. Jefferson 29-Oct-99 36 us clock reset at ~00:15
D. Jefferson 27-Oct-00 36 us clock reset at ~14:50
D. Jefferson 25-Oct-01 38 us clock reset at ~17:30
G29 D. Jefferson 18-Dec-98 119 us clock reset & drift change at ~06:15
D. Jefferson 12-Jun-01 29 us clock reset at ~21:50
G30 D. Jefferson 06-Dec-99 42 us clock reset at ~14:45
D. Jefferson 18-Dec-00 514 us clock reset at ~22:20
D. Jefferson 04-Sep-01 rate change from -52 ps/s to +40 ps/s at ~15:25
G31 D. Jefferson 25-May-00 4 us clock reset at ~02:15
R02 B. Burke 17-Nov-98 incorrect clock bias during 21:32-23:35 UTC