The Telecommunications and Data Acquisition Progress Report 42-122

April-June 1995

Joseph H. Yuen
Editor-in-Chief

August 15, 1995

National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California

Contents

Preface

OSC TASKS
DSN Advanced Systems
TRACKING AND GROUND-BASED NAVIGATION

Water Vapor Radiometer Measurements of the Tropospheric Delay Fluctuations at Goldstone Over a Full Year
S. J. Keihm
NASA Code 314-30-11-90-04

A Test of Water Vapor Radiometer-Based Troposphere Calibration Using VLBI Observations on a 21-Kilometer Baseline
R. P. Linfield, L. P. Teitelbaum, L. J. Skjerve, S. J. Keihm, S. J. Walter,
M. J. Mahoney, and R. N. Treuhaft
NASA Code 314-30-11-90-02

A Novel Photonic Oscillator
X. S. Yao and L. Maleki
NASA Code 314-30-11-40-04

COMMUNICATIONS, SPACECRAFT-GROUND

Transfer Function Bounds on the Performance of Turbo Codes
D. Divsalar, S. Dolinar, R. J. McEliece, and F. Pollara
NASA Code 315-91-20-20-53

Weight Distributions for Turbo Codes Using Random and Nonrandom Permutations
S. Dolinar and D. Divsalar
NASA Code 315-91-20-20-53

Analysis of Automatic Repeat Request Methods for Deep-Space Downlinks
F. Pollara and L. Ekroot
NASA Code 315-91-20-20-52

Noncausal Telemetry Data Recovery Techniques
H. Tsou, R. Lee, A. Mileant, and S. Hinedi
NASA Code 314-30-11-20-05

Carrier Arraying--Revisited
M. K. Simon
NASA Code 314-30-61-02-04

Estimating Errors in Least-Squares Fitting
P. H. Richter
NASA Code 314-30-42-01-14

DSN Systems Implementation
NETWORK UPGRADE AND SUSTAINING

Novel Solutions to Low-Frequency Problems With Geometrically Designed Beam-Waveguide Systems
W. A. Imbriale, M. S. Esquivel, and F. Manshadi
NASA Code 310-30-69-91-05

Analysis of Tipping-Curve Measurements Performed at the DSS-13 Beam-Waveguide Antenna at 32 and 8.45 Gigahertz
D. D. Morabito and L. Skjerve
NASA Code 315-91-60-10-05

Performance of a Ka-Band Transponder Breadboard for Deep-Space Applications
N. R. Mysoor, J. P. Lane, S. Kayalar, and A. W. Kermode
NASA Code 315-91-10-13-08

Referees

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.