The Telecommunications and Mission Operations Progress Report 42-143

July-September 2000

Joseph H. Yuen
Editor in Chief


November 15, 2000

NASA Logo
National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

Optical Channel Capacity Sensitivity
J. Hamkins, S. Dolinar, and D. Divsalar

Deep-Space Optical Reception Antenna (DSORA): Aperture Versus Quality
J. V. Sandusky, D. J. Hoppe, and M. J. Britcliffe

Mercury-Ion Clock Based on a Linear Multi-Pole Ion Trap
J. D. Prestage, R. L. Tjoelker, and L. Maleki

Cryocooled Sapphire Oscillator Operating Above 35 K
G. J. Dick and R. T. Wang

Common-Source Phase Error of a Dual-Mixer Stability Analyzer
C. A. Greenhall

The Media Calibration System for Cassini Radio Science: Part I
C. Naudet, C. Jacobs, S. Keihm, G. Lanyi, R. Linfield, G. Resch, L. Riley, H. Rosenberger, and A. Tanner

Embedding a Water Vapor Radiometer in a DSN Antenna: Experimental Results From DSS 13
A. B. Tanner

Tracking Performance of Adaptive Array Feed Algorithms for 70-Meter DSN Antennas
R. Mukai, V. Vilnrotter, and P. Arabshahi

Open- and Closed-Loop Dynamics of the High-Efficiency Antenna Subreflector
M. B. Kuczenski and W. Gawronski

A Method and a Graphical User Interface for the Creation of an Azimuth-Track-Level Look-Up Table
E. Maneri and W. Gawronski

Pointing-Error Measurements of the Master Equatorial Instrument
J. Liu and D. Girdner

Tilts of the Master Equatorial Tower
H. G. Ahlstrom, Jr., W. Gawronski, D. Girdner, E. Noskoff, and J. N. Sommerville

Determination of the Follow-up Receiver Noise-Temperature Contribution
T. Y. Otoshi

Efficiency Improvement of the Three-Meter Ka-Band Inflatable Reflectarray Antenna
J. Huang


The research described in this publication was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. Reference herein to any specific commercial product, service, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply its endorsement by the United States Government or the Jet Propulsion Laboratory, California Institute of Technology.


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