The Telecommunications and Data Acquisition Progress Report 42-129

January-March 1997

Joseph H. Yuen
Editor-in-Chief


May 15, 1997


National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

List of Changes

OSC TASKS
DSN Advanced Systems
TRACKING AND GROUND-BASED NAVIGATION

Accuracy of Earth Orientation Parameter Estimates and Short-Term Predictions Generated by the Kalman Earth Orientation Filter
S. H. Oliveau and A. P. Freedman
NASA Code 314-40-29-02-02

Tone Detection Via Incoherent Averaging of Fourier Transforms to Support the Automated Spacecraft-Monitoring Concept
G. Lanyi and R. Kahn
NASA Code 314-30-11-20-08

Microwave Signal Mixing by Using a Fiber-Based Optoelectronic Oscillator for Wavelength Division Multiplexed (WDM) Systems
W. Shieh, S. X. Yao, G. Lutes, and L. Maleki
NASA Code 314-30-11-40-04

Characteristic Trends of Ultrastable Oscillators for Radio Science Experiments
S. W. Asmar
NASA Code 314-30-21-00-06

COMMUNICATIONS, SPACECRAFT-GROUND

Solar Scintillation Effects on Telecommunication Links at Ka-Band and X-Band
Y. Feria, M. Belongie, T. McPheeters, and H. Tan
NASA Code 315-91-20-20-55

Compression of Multispectral Images
M. Klimesh
NASA Code 315-91-20-20-57

Laboratory and Flight Performance of the Mars Pathfinder (15,1/6) Convolutionally Encoded Telemetry Link
L. Harcke and G. Wood
NASA Code 624-04-00-MN-20

DSN Systems Implementation
NETWORK UPGRADE AND SUSTAINING

A New All-Metal Low-Pass Dichroic Plate
W. A. Imbriale
NASA Code 314-30-11-00-12

Cammatic: Automated Compensation for DSS-13 Antenna Gravity-Loading Performance Degradation
D. M. Strain, L. S. Alvarez, M. Moore, and S. Stewart
NASA Code 314-30-11-00-17

OSS TASKS
Radio Astronomy

Radio Astronomy Use of Space Research (Deep-Space) Bands in the Shielded Zone of the Moon
B. O. Gutiérrez-Luaces
NASA Code 315-90-31-00-01


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.