The Telecommunications and Mission Operations Progress Report 42-137

January-March 1999

Joseph H. Yuen
Editor-in-Chief


May 15, 1999

NASA Logo
National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

The Mars Global Surveyor Ka-Band Link Experiment (MGS/KaBLE-II)
D. Morabito, S. Butman, and S. Shambayati

Increased Suppressed-Carrier Telemetry Return by Means of Frequent Changes in Bit Rate During a Tracking Pass
M. K. Sue, A. Mileant, J. F. Weese, J. B. Berner, P. W. Kinman, and H. H. Tan

Regenerative Pseudo-Noise Ranging for Deep-Space Applications
J. B. Berner, J. M. Layland, P. W. Kinman, and J. R. Smith

Performance Evaluation and Interpretation of Unfiltered Feher-Patented Quadrature-Phase-Shift Keying (FQPSK)
M. K. Simon and T.-Y. Yan

The Combined Effect of Modulator Imbalances and Amplifier Nonlinearity on the Performance of Offset Quadrature-Phase-Shift-Keyed (OQPSK) Systems
H. Tsou

The Generalized Autocovariance: A Tool for Clock Noise Statistics
C. A. Greenhall

Precise Real-Time Low-Earth-Orbiter Navigation With the Global Positioning System (GPS)
W. Bertiger, B. Haines, D. Kuang, M. Lough, S. Lichten, R. J. Muellerschoen, Y. Vigue-Rodi, and S.Wu

Voltage Signal-to-Noise Ratio (SNR) Nonlinearity Resulting From Incoherent Summations
S. T. Lowe

Design and Performance of the Monopulse Control System
W. Gawronski and M. A. Gudim

Temperature Testing of the New S-Band Transmitter Filter for DSS 54
R. Cirillo and W. Veruttipong


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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