The Deep Space Network Progress Report 42-42

September and October 1977


December 15, 1977

NASA Logo
National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

DESCRIPTION OF THE DSN

Network Functions and Facilities
N. A. Renzetti

DSN Telemetry System, Mark III-77
E. C. Gatz
NASA Code 311-03-43-10

MISSION SUPPORT

Ongoing Planetary/Interplanetary Flight Projects

Voyager Flight Project - DSN Telecommunications Compatibility Test Program
A. I. Bryan, R. P. Kemp, and B. D. Madsen
NASA Code 311-03-23-10

Viking Extended Mission Support
T. W. Howe
NASA Code 311-03-21-70

Helios Mission Support
P. S. Goodwin and G. M. Rockwell
NASA Code 311-03-21-50

SUPPORTING RESEARCH AND TECHNOLOGY

Tracking and Ground-Based Navigation

A First-Principles Derivation of Doppler Noise Expected From Solar Wind Density Fluctuations
P. S. Callahan
NASA Code 310-10-60-05

VLBI Instrumental Effects, Part I
J. W. Layland and W. J. Hurd
NASA Code 310-10-61-08

VLBI Clock Sync and the Earth's Rotational Instability
J. W. Layland and A. N. Mathews
NASA Code 310-10-61-08

Communications - Spacecraft/Ground

X- and K-Band Maser Development: Effects of Interfering Signals
R. C. Clauss
NASA Code 310-20-66-07

Complex Mixer System Modifications
G. L. Stevens
NASA Code 310-20-67-03

Minimum-Weight Codewords in the (128,64) BCH Code
L. D. Baumert and L. R. Welch
NASA Code 310-20-67-11

Station Control and Operations Technology

A High-Speed Computer Link for Moderate Distances and Noisy Environments
M. W. Sievers
NASA Code 310-30-68-11

DSS 13 Automated Antenna Pointing Subsystem Phase I Hardware
M. W. Sievers
NASA Code 310-30-68-11

Digital High Density (80 Mb/s) Tape
M. D. Donner
NASA Code 310-30-69-10

Network Control and Data Processing

Dynamic Spares Provisioning for the DSN
I. Eisenberger and G. Lorden
NASA Code 310-40-73-02

NETWORK AND FACILITY ENGINEERING AND IMPLEMENTATION

Network

Planetary Atmosphere Modeling and Predictions
A. L. Berman
NASA Code 311-03-43-10

An Empirical Model for the Solar Wind Velocity
A. L. Berman
NASA Code 311-03-43-10

RMS Electron Density Fluctuation at 1 AU
A. L. Berman
NASA Code 311-03-43-10

S-X Conversion for the Block III Receiver-Exciter
R. E. Weller
NASA Code 311-03-31-59

DSN Telemetry System Performance Using a Maximum Likelihood Convolutional Decoder
B. Benjauthrit and R. P. Kemp
NASA Code 311-03-42-95

Ground Communications

CCIR Papers on Telecommunications for Deep Space Research
N. F. de Groot
NASA Code 311-06-50-00

Deep Space Stations

Dual Coupler Configuration at DSS 14 for the Voyager Era
T. Y. Otoshi, K. B. Wallace, and R. B. Lyon
NASA Code 311-03-42-54

A High-Power Dual-Directional Coupler
K. B. Wallace and T. Y. Otoshi
NASA Code 311-03-42-54

Radial Bearing Measurements of the 64-m Antenna, DSS 14
G. Gale
NASA Code 311-03-44-11

PROGRAM PLANNING

TDA Planning

Cost Evaluation of a DSN High Level Real-Time Language
M. McKenzie
NASA Code 311-03-31-30


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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