The Deep Space Network Progress Report 42-38

January and February 1977
April 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 Test and Training System, Mark III-77
H. C. Thorman
NASA Code 311-03-43-10

MISSION SUPPORT

Ongoing Planetary/Interplanetary Flight Projects

Summary Report and Status of the Deep Space Network - Mariner Jupiter/Saturn 1977 Flight Project Telecommunications Compatibility
A. I. Bryan, R. P. Kemp, and B. D. Madsen
NASA Code 311-03-23-10

Viking Mission Support
D. W. H. Johnston
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, E. S. Burke, and G. M. Rockwell
NASA Code 311-03-21-50

SUPPORTING RESEARCH AND TECHNOLOGY

Tracking and Ground-Based Navigation

Improvements in Navigation Resulting from the Use of Dual Spacecraft Radiometric Data
C. C. Chao, H. L. Siegel, and V. J. Ondrasik
NASA Code 310-10-60-50

Communications - Spacecraft/Ground

A K-Band Radiometer for the Microwave Weather Project
K. Wallace, M. Reid, and H. Reilly
NASA Code 310-20-66-01

X-Band Atmospheric Noise Temperature Statistics at Goldstone DSS 13, 1975-1976
S. Slobin, M. Reid, R. Gardner, and D. Cheng
NASA Code 310-20-66-06

Computation of Spacecraft Signal Raypath Trajectories Relative to the Sun
R. Cannon and C. Stelzried
NASA Code 310-20-66-06

Analysis of a Discrete Spectrum Analyzer for the Detection of Radio Frequency Interference
B. K. Levitt
NASA Code 310-20-66-07

A Markov Model for X-Band Atmospheric Antenna-Noise Temperatures
O. H. Adeyemi
NASA Code 310-20-67-11

Synchronization Strategies for RFI Channels
R. J. McEliece, H. van Tilborg, and S. Tung
NASA Code 310-20-67-11

Network Control and Data Processing

A Maintenance and Operations Cost Model for the DSN
R. W. Burt and H. L. Kirkbride
NASA Code 310-40-73-04

NETWORK AND FACILITY ENGINEERING AND IMPLEMENTATION

Network

Encoding and Decoding a Telecommunication Standard Command Code
B. Benjauthrit and T. K. Truong
NASA Code 311-03-42-95

Deep Space Stations

Status of Goldstone Solar Energy System Study of the First Goldstone Energy Project
F. L. Lansing
NASA Code 311-03-41-08

Pioneer Venus Wind Experiment Receiver
H. Nishimura
NASA Code 311-03-42-50

Pioneer Venus 1978 Multiprobe Spacecraft Simulator
S. E. Friedenberg
NASA Code 311-03-42-50

OPERATIONS

Network Operations

Viking S-Band Doppler RMS Phase Fluctuations Used to Calibrate the Mean 1976 Equatorial Corona
A. L. Berman and J. A. Wackley
NASA Code 311-03-13-20

Viking Doppler Noise Used to Determine the Radial Dependence of Electron Density in the Extended Corona
A. L. Berman, J. A. Wackley, S. T. Rockwell, and M. Kwan
NASA Code 311-03-13-20

Proportionality Between Doppler Noise and Integrated Signal Path Electron Density Validated by Differenced S-X Range
A. L. Berman
NASA Code 311-03-13-20

Modification of the DSN Radio Frequency Angular Tropospheric Refraction Model
A. L. Berman
NASA Code 311-03-13-20

Deep Space Stations

A Model of SNR Degradation During Solar Conjunction
S. T. Rockwell
NASA Code 311-03-13-20

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

PROGRAM PLANNING

TDA Planning

Cost Reduction Potential of the DSN Data Base
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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