PMID- 18238571
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20121002
LR  - 20080201
IS  - 0885-3010 (Print)
IS  - 0885-3010 (Linking)
VI  - 47
IP  - 2
DP  - 2000
TI  - Assessment of GPS carrier-phase stability for time-transfer applications.
PG  - 484-94
LID - 10.1109/58.827441 [doi]
AB  - We have conducted global positioning system (GPS) carrier-phase time-transfer 
      experiments between the master clock (MC) at the U.S. Naval Observatory (USNO) in 
      Washington, DC and the alternate master clock (AMC) at Schriever Air Force Base 
      near Colorado Springs, Colorado. These clocks are also monitored on an hourly 
      basis with two-way satellite time-transfer (TWSTT) measurements. We compared the 
      performance of the GPS carrier phase and TWSTT systems over a 236-d period. 
      Because of power problems and data outages during the carrier-phase experiment, 
      the longest continuous time span is 96 d. The data from this period show 
      agreement with TWSTT within +/-1 ns, apart from an overall constant time offset 
      (caused by unknown delays in the GPS hardware at both ends). For averaging times 
      of a day, the carrier-phase and TWSTT systems have a frequency uncertainty of 2.5 
      and 5.5 parts in 10(15), respectively.
FAU - Larson, K M
AU  - Larson KM
AD  - Dept. of Aerosp. Eng. Sci., Colorado Univ., Boulder, CO.
FAU - Levine, J
AU  - Levine J
FAU - Nelson, L M
AU  - Nelson LM
FAU - Parker, T E
AU  - Parker TE
LA  - eng
PT  - Journal Article
PL  - United States
TA  - IEEE Trans Ultrason Ferroelectr Freq Control
JT  - IEEE transactions on ultrasonics, ferroelectrics, and frequency control
JID - 9882735
EDAT- 2008/02/02 09:00
MHDA- 2008/02/02 09:01
CRDT- 2008/02/02 09:00
PHST- 2008/02/02 09:00 [pubmed]
PHST- 2008/02/02 09:01 [medline]
PHST- 2008/02/02 09:00 [entrez]
AID - 10.1109/58.827441 [doi]
PST - ppublish
SO  - IEEE Trans Ultrason Ferroelectr Freq Control. 2000;47(2):484-94. doi: 
      10.1109/58.827441.