<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bertiger, W.</style></author><author><style face="normal" font="default" size="100%">Desai, S.</style></author><author><style face="normal" font="default" size="100%">Dorsey, A.</style></author><author><style face="normal" font="default" size="100%">Haines, B. J.</style></author><author><style face="normal" font="default" size="100%">Harvey, N.</style></author><author><style face="normal" font="default" size="100%">Kuang, D.</style></author><author><style face="normal" font="default" size="100%">Sibthorpe, A.</style></author><author><style face="normal" font="default" size="100%">Weiss, J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sub-Centimeter Precision Orbit Determination with GPS for Ocean Altimetry</style></title><secondary-title><style face="normal" font="default" size="100%">Marine Geodesy</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">jason</style></keyword><keyword><style  face="normal" font="default" size="100%">sea_level</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2010</style></year></dates><publisher><style face="normal" font="default" size="100%">Taylor &amp; Francis</style></publisher><volume><style face="normal" font="default" size="100%">33</style></volume><pages><style face="normal" font="default" size="100%">363</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">We assess the accuracy of JPL's estimated OSTM/Jason-2 Global Positioning System (GPS)-determined orbits based on residuals to independent satellite laser ranging (SLR) data, compared with orbits produced by different software from different data (SLR/DORIS), Geophysical Data Record version C (GDR-C) orbits, and altimeter crossover tests. All of these tests are consistent with sub-cm radial accuracy: high elevation SLR residual standard deviation lies at 6.8 mm, RMS differences from GDR-C in the radial component typically fall below a cm, and altimeter crossovers from JPL orbits have a variance 89 mm^2 smaller than altimeter crossovers from GDR-C orbits. Although RMS differences between radial components of different orbit solutions typically lie below a cm, we observe systematic dependences on both time and geography. The improved precision and accuracy of JPL's OSTM/Jason-2 orbit solutions rely on a new algorithm for applying constraints to integer carrier phase ambiguities. This algorithm is sufficiently robust to improve solutions despite half-cycle carrier phase identification issues in OSTM/Jason-2's BlackJack receiver. Although Jason-1 receiver performance differs, our algorithm should extend to Jason-1 processing (during the time span of nominal GPS receiver operations).</style></abstract><issue><style face="normal" font="default" size="100%">1 supp 1</style></issue></record></records></xml>