1–20 von 30 Ergebnissen
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    Characterization of On-Orbit GPS Transmit Antenna Patterns for Space Users

    Jennifer E Donaldson / Joel J K Parker / Michael C Moreau et al. | NTRS | 2020

    Overview of NASA's Solar Electric Propulsion Project

    Peterson, Peter Y. / Herman, Daniel A. / Kamhawi, Hani et al. | NTRS | 2019

    Characterization of On-Orbit GPS Transmit Antenna Patterns for Space Users

    Donaldson, Jennifer E. / Parker, Joel J. K. / Moreau, Michael C. et al. | NTRS | 2018

    Characterization of On-Orbit GPS Transmit Antenna Patterns for Space Users

    Donaldson, Jennifer E. / Parker, Joel J. K. / Moreau, Michael C. et al. | NTRS | 2018

    GPS Operations in High Earth Orbit: Recent Experiences and Future Opportunities

    Ashman, Benjamin W. / Bauer, Frank H. / Parker, Joel J. K. et al. | NTRS | 2018

    Use and Protection of GPS Sidelobe Signals for Enhanced Navigation Performance in High Earth Orbit

    Parker, Joel J. K. / Valdez, Jennifer E. / Bauer, Frank H. et al. | NTRS | 2016

    Telecommunications Relay Support of the Mars Phoenix Lander Mission

    Edwards, Charles D., Jr. / Erickson, James K. / Gladden, Roy E. et al. | NTRS | 2010

    Information Display System for Atypical Flight Phase

    Statler, Irving C. / Ferryman, Thomas A. / Amidan, Brett G. et al. | NTRS | 2007

    Shield Optimization in Simple Geometry for the Gateway Concept

    Tripathi, R. K. / Simonsen, L. C. / Nealy, J. E. et al. | NTRS | 2002

    Phased Array Transmit Antenna for a Satellite

    Huggins, R. W. / Heisen, P. T. / Miller, G. E. et al. | NTRS | 1999

    Galileo Probe Battery System

    Dagarin, B. P. / Taenaka, R. K. / Stofel, E. J. | NTRS | 1997

    Imaging Radar for Ecosystem Studies

    Waring, Richard H. / Way, JoBea / Hunt, E. Raymond J. et al. | NTRS | 1996

    Future Technologies for Earth Science with Spaceborne GPS

    Yunck, T. P. / Meehan, T. K. / Srinivasan, J. M. et al. | NTRS | 1995

    Orbiting transmitter and antenna for spaceborne communications at ELF/VLF to submerged submarines

    Bannister, P. R. / Harrison, J. K. / Rupp, C. C. et al. | NTRS | 1993

    The AMSC mobile satellite system

    Agnew, Carson E. / Bhagat, Jai / Hopper, Edwin A. et al. | NTRS | 1988