The Deep Space Network Progress Report 42-36

September and October 1976


December 15, 1976

NASA Logo
National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

DESCRIPTION OF THE DSN

DSN Functions and Facilities
N. A. Renzetti

DSN Ground Communications Facility
M. S. Glenn
NASA Code 311-06-40-00

MISSION SUPPORT

Ongoing Planetary/Interplanetary Flight Projects

Viking Mission Support
D. W. Johnston and T. Howe
NASA Code 311-03-21-70

Pioneer Venus 1978 Mission Support
R. B. Miller
NASA Code 311-03-21-90

Helios Mission Support
P.S. Goodwin
NASA Code 311-03-21-50

SUPPORTING RESEARCH AND TECHNOLOGY

Tracking and Ground-Based Navigation

Terminology of Ranging Measurements and DSS Calibrations
T. Komarek and T. Otoshi
NASA Code 310-10-61-08

Communications - Spacecraft/Ground

Magnitude of 64-m Elevation Axis Movements Due to Alidade Temperature Changes
N. t. Hung, H. Phillips, and R. Zanteson
NASA Code 310-20-65-04

An Improved Upper Bound on the Block Coding Error Exponent for Binary Input Discrete Memoryless Channels
R. J. McEliece and J. K. Omura
NASA Code 310-20-67-11

Station Control and Operations Technology

A Radar Study of the Backup Martian Landing Sites
G. S. Downs, R. R. Green, and P. E. Reichley
NASA Code 310-30-69-10

Network Control and Data Processing

The Effect of Direct Current Bias in the Computation of Power Spectra
E. R. Rodemich
NASA Code 310-40-72-08

Standard Random Number Generation for MBASlC
R. C. Tausworthe
NASA Code 310-40-72-05

NETWORK AND FACILITY ENGINEERING AND IMPLEMENTATION

Network

The Fast Decoding of Reed-Solomon Codes Using Fermat Theoretic Transforms and Continued Fractions
L. R. Welch, I. S. Reed, and T. K. Truong
NASA Code 311-03-43-10

The Fast Decoding of Reed-Solomon Codes Using High-Radix Fermat Theoretic Transforms
K. Y. Liu, I. S. Reed, and T. K. Truong
NASA Code 311-03-43-10

DSN Telemetry System Performance With Convolutionary Coded Data Using Operational Maximum-Likelihood Convolutional Decoders
B. Benjauthrit, B. D. L. Mulhall, B. D. Madsen, and M. E. Alberda
NASA Code 311-03-42-95

Quality Assurance

Modification of Hipotronics Discontinuity Enamel Wire Test for Wire Screening
W. D. Schreiner
NASA Code 311-03-44-30

OPERATIONS

Network Operations

Two MBASIC Programs That Write Application Programs for Accessing Database
R. M. Smith
NASA Code 311-03-13-25

Differential Range Validation: A New Technique for Near-Real-Time Validation of Multistation Ranging System Data
A. L. Berman
NASA Code 311-03-13-20

The 1976 Helios and Pioneer Solar Conjunctions - Continuing Corroboration of the Link Between Doppler Noise and Integrated Signal Path Electron Density
A. L. Berman, J. A. Wackley, and S. T. Rockwell
NASA Code 311-03-13-20

Deep Space Stations

DSS Range Delay Calibrations: Current Performance Level
G. L. Spradlin
NASA Code 311-03-13-20

DSN Research and Technology Support
E. B. Jackson
NASA Code 311-03-15-30


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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