The Deep Space Network Progress Report 42-55

November and December 1979


February 15, 1980

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

MISSION SUPPORT

Ongoing Planetary/Interplanetary Flight Projects

Viking Orbiter Completion Mission
R. L. Gillette
NASA Code 311-03-22-50

Pioneer Mission Support
G. M. Rockwell
NASA Code 311-03-22-80

RADIO ASTRONOMY

Radio Astronomy
R. M. Taylor
NASA Code 311-03-21-00

SUPPORTING RESEARCH AND TECHNOLOGY

Tracking and Ground-Based Navigation

Practical Limitations on Noiseless Optical Channel Capacity
S. A. Butman, J. Katz, and J. R. Lesh
NASA Code 310-10-60-12

Estimating the Angular Position of a Moving Deep Space Vehicle Using Two Rotating Tracking Stations
H. H. Tan
NASA Code 310-10-63-00

Validation of Roundtrip Charged-Particle Calibrations Derived From S- and X-Band Doppler via DRVlD Measurements
D. W. Green
NASA Code 310-10-60-09

Communications - Spacecraft/Ground

Operation of Joule-Thomson Refrigeration Above the Critical Pressure of Helium
D. L. Johnson
NASA Code 310-20-66-09

Network Control and Data Processing

Feasibility Study of a Spacecraft Surveillance System
C. A. Greenhall
NASA Code 310-40-73-19

NETWORK AND FACILITY ENGINEERING AND IMPLEMENTATION

Network

The Practical Limits of Photon Communication
R. J. McEliece, E. R. Rodemich, and A. L. Rubin
NASA Code 311-03-43-20

An Evaluation Criteria Model for the Navigation Network System Design
E. Hird
NASA Code 311-03-44-15

Tropospheric Path Length Fluctuation in Temperate Semiarid Locales: Application to the Gravitational Wave Detection Experiment
A. L. Berman and S. D. Slobin
NASA Code 311-03-43-10

Ground Communications

GCF-NOCC Reconfiguration
J. P. McClure
NASA Code 311-06-30-00

OPERATIONS

Network Operations

Preliminary Telemetry Operations Experience With the Real-Time Combiner: 1 November 1978 to 1 November 1979
N. K. Simon and C. Hoynes
NASA Code 311-03-14-20

PROGRAM PLANNING

TDA Planning

Viterbi Decoding Modified for Sources With Memory
V. Korwar
NASA Code 311-03-31-30

Bibliography


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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