Search Results - "Bertiger, Willy"

GipsyX/RTGx, a new tool set for space geodetic operations and research by Bertiger, Willy, Bar-Sever, Yoaz, Dorsey, Angie, Haines, Bruce, Harvey, Nate, Hemberger, Dan, Heflin, Michael, Lu, Wenwen, Miller, Mark, Moore, Angelyn W., Murphy, Dave, Ries, Paul, Romans, Larry, Sibois, Aurore, Sibthorpe, Ant, Szilagyi, Bela, Vallisneri, Michele, Willis, Pascal

“…GipsyX/RTGx is the Jet Propulsion Laboratory’s (JPL) next generation software package for positioning, navigation, timing, and Earth science using measurements…”
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Recovering Differential Forces From the GRACE‐D Accelerometer by Harvey, Nate, Bertiger, Willy, McCullough, Christopher M., Miller, Mark, Save, Himanshu, Yuan, Dah‐Ning

“…The reduction of non‐gravitational accelerations through an onboard accelerometer is a vital part of accurately estimating gravity fields for Gravity Recovery…”
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Is the Jason-2 DORIS oscillator also affected by the South Atlantic Anomaly? by Willis, Pascal, Heflin, Michael B., Haines, Bruce J., Bar-Sever, Yoaz E., Bertiger, Willy I., Mandea, Mioara

“…We analyzed time series of daily DORIS and GPS station coordinate estimates derived from Precise Point Positioning (PPP). The DORIS coordinates were estimated…”
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Realizing a terrestrial reference frame using the Global Positioning System by Haines, Bruce J., Bar-Sever, Yoaz E., Bertiger, Willy I., Desai, Shailen D., Harvey, Nate, Sibois, Aurore E., Weiss, Jan P.

“…We describe a terrestrial reference frame (TRF) realization based on Global Positioning System (GPS) data alone. Our approach rests on a highly dynamic,…”
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Observed geocenter motion from precise orbit determination of GRACE satellites using GPS tracking and accelerometer data by Kuang, Da, Bertiger, Willy, Desai, Shailen D., Haines, Bruce J., Yuan, Dah-Ning

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Single receiver phase ambiguity resolution with GPS data by Bertiger, Willy, Desai, Shailen D., Haines, Bruce, Harvey, Nate, Moore, Angelyn W., Owen, Susan, Weiss, Jan P.

“…Global positioning system (GPS) data processing algorithms typically improve positioning solution accuracy by fixing double-differenced phase bias ambiguities…”
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Observed geocenter motion from precise orbit determination of GRACE satellites using GPS tracking and accelerometer data by Kuang, Da, Bertiger, Willy, Desai, Shailen D., Haines, Bruce J., Yuan, Dah-Ning

“…We present a method to estimate geocenter motion through single low-earth orbiter (LEO) precise orbit determination (POD) using global positioning system (GPS)…”
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Analysis of decade-long time series of GPS-based polar motion estimates at 15-min temporal resolution by Sibois, Aurore E., Desai, Shailen D., Bertiger, Willy, Haines, Bruce J.

“…We present results from the generation of 10-year-long continuous time series of the Earth’s polar motion at 15-min temporal resolution using Global…”
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Self-consistent treatment of tidal variations in the geocenter for precise orbit determination by Desai, Shailen D., Bertiger, Willy, Haines, Bruce J.

“…We show that the current levels of accuracy being achieved for the precise orbit determination (POD) of low-Earth orbiters demonstrate the need for the…”
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A Close Look at Satloc's Real-Time WADGPS System by Whitehead, Michael L., Penno, Gary, Feller, Walter J., Messinger, Ivan C., Bertiger, Willy I., Muellerschoen, Ronald J., Iljima, Byron A., Piesinger, Greg

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An evaluation of solar radiation pressure strategies for the GPS constellation by Sibthorpe, Ant, Bertiger, Willy, Desai, Shailen D., Haines, Bruce, Harvey, Nate, Weiss, Jan P.

“…The subtle effects of different Global Positioning System (GPS) satellite force models are becoming apparent now that mature processing strategies are reaching…”
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Sub-Centimeter Precision Orbit Determination with GPS for Ocean Altimetry by Bertiger, Willy, Desai, Shailen D., Dorsey, Angie, Haines, Bruce J., Harvey, Nate, Kuang, Da, Sibthorpe, Ant, Weiss, Jan P.

“…We assess the accuracy of JPL's estimated OSTM/Jason-2 Global Positioning System (GPS)-determined orbits based on residuals to independent satellite laser…”
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One-Centimeter Orbit Determination for Jason-1: New GPS-Based Strategies by HAINES, BRUCE, BAR-SEVER, YOAZ, BERTIGER, WILLY, DESAI, SHAILEN, WILLIS, PASCAL

“…The U.S./French Jason-1 satellite is carrying a state-of-the-art GPS receiver to support precise orbit determination (POD) requirements. The performance of the…”
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One-Centimeter Orbits in Near-Real Time: The GPS Experience on OSTM/Jason-2 by Haines, Bruce J., Armatys, Michael J., Bar-Sever, Yoaz E., Bertiger, Willy I., Desai, Shailen D., Dorsey, Angela R., Lane, Christopher M., Weiss, Jan P.

“…The advances in Precise Orbit Determination (POD) over the past three decades have been driven in large measure by the increasing demands of satellite…”
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One-Centimeter Orbits in Near-Real Time: The GPS Experience on OSTM/Jason-2(4) by Haines, Bruce J, Armatys, Michael J, Bar-Sever, Yoaz E, Bertiger, Willy I, Desai, Shailen D, Dorsey, Angela R, Lane, Christopher M, Weiss, Jan P

“…The advances in Precise Orbit Determination (POD) over the past three decades have been driven in large measure by the increasing demands of satellite…”
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Precise orbit determination for COSMIC satellites using GPS data from two on-board antennas by Kuang, D., Bertiger, W., Desai, S., Haines, B., Iijima, B., Meehan, T.

“…Each of the six COSMIC satellites carries one GPS receiver with two antennas for orbit determination (OD) and another two antennas for radio occultation. In…”
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GipsyX/RTGx, A New Tool Set for Space Geodetic Operations and Research by Bertiger, Willy, Bar-Sever, Yoaz, Dorsey, Angie, Haines, Bruce, Harvey, Nate, Hemberger, Dan, Heflin, Michael, Lu, Wenwen, Miller, Mark, Moore, Angelyn W, Murphy, Dave, Ries, Paul, Romans, Larry, Sibois, Aurore, Sibthorpe, Ant, Szilagyi, Bela, Vallisneri, Michele, Willis, Pascal

“…GipsyX/RTGx is the Jet Propulsion Laboratory's (JPL) next generation software package for positioning, navigation, timing, and Earth science using measurements…”
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Demonstration of sub-meter GPS orbit determination and 1.5 parts in 108 three-dimensional baseline accuracy by Lichten, Stephen M., Bertiger, Willy I.

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A demonstration of sub meter GPS orbit determination and high precision user positioning by Bertiger, W.I., Lichten, S.M., Katsigris, E.C.

“…High-accuracy orbits have been determined for satellites of the Global Positioning System (GPS), with submeter orbit accuracy demonstrated for two well-tracked…”
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Instrument of Grace GPS augments gravity measurements by Dunn, Charles, Be, Bar-Sever, Yoaz, Desai, Shailen, Haines, Bruce, Kuang, Da, Franklin, Garth, Harris, Ian, Kruizinga, Gerhard, Meehan, Tom, Nandi, Sumita, Nguyen, Don, Rogstad, Tim, Thomas, J. Brooks, Tien, Jeff, Romans, Larry, Watkins, Michael, Wu, Sien-Chong, Bettadpur, Srinivas, Kim, Jeongrae

“…Each spacecraft's GPS data is processed independently using GPS orbits and clocks fixed to FLINN, JPL's most precise determination of the GPS orbits and…”
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