The Deep Space Network Progress Report 42-30

September and October 1975


December 15, 1975

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 Test and Training System
H. C. Thorman
NASA Code 311-03-42-95

MISSION SUPPORT

Ongoing Planetary/Interplanetary Flight Projects

Summary Report on the Viking 1975 DSN Telecommunications Compatibility Test Program
A. I. Bryan
NASA Code 311-03-22-10

Viking Mission Support
D. J. Mudgway and D. W. Johnston
NASA Code 311-03-21-70

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

Helios Mission Support
P. S. Goodwin, W. G. Meeks, R. E. Morris, and S. E. Reed
NASA Code 311-03-21-50

SUPPORTING RESEARCH AND TECHNOLOGY

Tracking and Ground-Based Navigation

A New Global Ionospheric Model
K. W. Yip and O. H. von Roos
NASA Code 310-10-60-46

Corruption of Radio Metric Doppler Due to Solar Plasma Dynamics: S/X Dual-Frequency Doppler Calibration for These Effects
F. B. Winn, S. R. Reinbold, K. W. Yip, R. E. Koch and A. Lubeley
NASA Code 310-10-60-46

100-kHz Frequency Divider, Distribution Amplifier
G. Lutes
NASA Code 310-10-61-07

Communications - Spacecraft/Ground

The X-Band Low-Noise Antenna Measurement Cone
M. S. Reid, F. E. McCrea, K. B. Wallace, and C. T. Stelzried
NASA Codes 310-20-66-06 and 311-03-42-46

Performance of DSS 13 26-m Antenna at X-Band
A. J. Freiley
NASA Code 310-20-65-03

DSS 14 X-Band Radar Feedcone
D. E. Neff and D. A. Bathker
NASA Code 310-20-65-03

A Versatile Data Acquisition System for Goldstone
M. S. Reid and R. A. Gardner
NASA Codes 310-20-66-06 and 311-03-41-08

Station Control and Operations Technology

Microcontroller for Automation Application
H. W. Cooper
NASA Code 310-30-68-10

Exciter Switch
W. L. McPeak
NASA Code 310-30-68-11

Network Control and Data Processing

Priority Repair Schemes in the Deep Space Network
I. Eisenberger and G. Lorden
NASA Code 310-40-73-01

Variation of GCF Block Error Rate With Block Length
O. Adeyemi
NASA Code 310-40-70-02

Effects on Station Productivity of the RF and Antenna Automation Plans
H. L. Kirkbride
NASA Code 310-40-73-01

Remote Automatic Control of DSS 13
K. I. Moyd
NASA Code 310-40-70-02

NETWORK AND FACILITY ENGINEERING AND IMPLEMENTATION

Network

DSN Telemetry System Performance With Convolutionally Coded Data
B. D. L. Mulhall, B. Benjauthrit, C. A. Greenhall, D. M. Kuma, J. K. Lam, J. S. Wong, J. Urech, and L. D. Vit
NASA Code 311-03-42-95

Deep Space Stations

Approximate Mean Time to Loss of Lock for the Symbol Synchronizer Assembly
J. I. Molinder
NASA Code 311-03-42-95

Transmitter Fourth-Harmonic Interference at the Mars Station
R. C. Coffin
NASA Code 311-03-42-95

Open-Loop Receiver Recording for Telemetry Data Recovery: A Field Demonstration
S. S. Kent
NASA Code 311-03-42-95

OPERATIONS

Network Operations

DSN Research and Technology Support
E. B. Jackson
NASA Code 311-03-14-64

Symbol Synchronizer Assembly Instability Study: Part II
R. C. Bunce
NASA Code 311-03-14-52

Analysis and Prediction of Doppler Noise During Solar Conjunctions
A. L. Berman and S. T. Rockwell
NASA Code 311-03-13-20

Correlation of Doppler Noise During Solar Conjunctions With Fluctuations in Solar Activity
A. L. Berman and S. T. Rockwell
NASA Code 311-03-13-20

Tracking Operations During the Viking 1 Launch Phase
A. L. Berman and J. A. Wackley
NASA Code 311-03-13-20

A Relational Data Base Implemented Using MBASlC
R. M. Smith
NASA Code 311-03-14-64


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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