1–20 of 38 hits
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    NASA’s Artemis Human Landing Systems

    L. Watson-Morgan / L. Hawkins / B. Jacobs et al. | NTIS | 2021

    X/Ka (8.4/32 GHz) Celestial Frame: Roadmap to the future

    Takeuchi, H. / Murata, Yasa / De Vicente, Javier et al. | NTRS | 2019

    Flight Demonstration of Novel Atmospheric Satellite Concept

    Engblom, W. A. / Moncayo, H. / Coulter, N. et al. | NTRS | 2018

    A vision for the 2020s for reference frames and global astrometry

    Snedekar, L. / Quick, J. / Mercolino, M. et al. | NTRS | 2018

    Determination of celestial reference frames via Kalman filtering

    Bohm, J. / Krasna, H. / Schuh, H. et al. | NTRS | 2018

    The X/Ka Celestial Reference Frame: Assessing Accuracy - Can It Be More Accurate than the ICRF2?

    Jacobs, Christopher S. / Garcia-Miro, C. / Horiuchi, S. et al. | NTRS | 2016

    The Celestial Reference Frame at X/Ka-Band Status & Prospects for Improving the South

    Jacobs, Christopher S. / Alonso, J. / Clark, J. E. et al. | NTRS | 2012

    The Potential for a Ka-band Worldwide VLBI Network

    Jacobs, C. S. / Colomer, F. / Garcia-Miro, C. et al. | NTRS | 2011

    The Potential for a Ka-Band Worldwide VLBI Network

    Jacobs, C. S. / Bach, U. / Colomer, F. et al. | NTRS | 2011

    Progress on Ares First Stage Propulsion

    A. S. Priskos / T. J. Williams / F. Brasfield et al. | NTIS | 2008

    Progress on Ares First Stage Propulsion

    Priskos, Alex S. / Williams, Thomas J. / Brasfield, Fred et al. | NTRS | 2008

    RS-25 for the NASA Crew Launch Vehicle: The Evolution of SSME for Space Exploration

    Kynard, Michael H. / Genge, Gary G. / Greene, William D. et al. | NTRS | 2006

    Is now the time to replace S / X with X / Ka -band?

    Jacobs, Christopher S. / Lanyi, G. E. / Naudet, C. J. | NTRS | 2004

    Overview of JPL VLBI data analysis work

    Zhang, L. D. / Bagri, D. / Border, J. et al. | NTRS | 2001

    Engine System Assessment Study Using Martian Propellants

    D. Pelaccio / M. Jacobs / C. Scheil et al. | NTIS | 1992

    Engine system assessment study using Martian propellants

    Pelaccio, D. / Jacobs, M. / Collins, J. et al. | NTRS | 1992