The Deep Space Network Progress Report 42-51

March and April 1979


June 15, 1979

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

Voyager Support
J. E. Allen and H. E. Nance
NASA Code 311-03-22-20

Viking Continuation Mission Support
R. L. Gillette
NASA Code 311-03-22-60

Pioneer Venus 1978 Mission Support
T. W. Howe
NASA Code 311-03-22-60

SUPPORTING RESEARCH AND TECHNOLOGY

Tracking and Ground-Based Navigation

Stability Analysis of the Multimegabit Telemetry Demodulator/Detector Design
J. K. Holmes
NASA Code 310-10-60-12

Pre-A/D Filter and AGC Requirements for Multimegabit Telemetry Data Detection
J. K. Holmes
NASA Code 310-10-60-12

Recovering the Spectrum of a Narrow-band Process From Syncopated Samples
P. H. Milenkovic
NASA Code 310-10-61-04

Installation of the Mu2 Ranging System in Australia
A. I. Zygielbaum
NASA Code 310-10-60-10

Some Effects of Quantization on a Noiseless Phase-Locked Loop
C. A. Greenhall
NASA Code 310-10-60-12

A Transmission Line Phase Stabilizer
G. Lutes
NASA Code 310-10-61-05

Communications - Spacecraft/Ground

Antenna Feedhorn Software Upgrade
P. D. Potter
NASA Code 310-20-65-14

Feasibility of Inertialess Conscan Utilizing Modified DSN Feedsystems
P. D. Potter
NASA Code 310-20-65-14

Costas Loop Demodulation of Suppressed Carrier BPSK Signals in the DSN Environment - Experimental Results Obtained at TDL
R. Reasoner, G. Stevens, and K. T. Woo
NASA Code 310-20-67-13

Effects of Asymmetric Passband Filtering on the Phase of the Costas Loop's Reconstructed Carrier
K. T. Woo
NASA Code 310-20-67-21

Design of a Costas Loop to Operate With the Block III Receiver and Its Predicted Performance
G. Stevens and K. T. Woo
NASA Code 310-20-67-21

Station Control and Operations Technology

The Constantin-Rao Construction for Binary Asymmetric Error-Correcting Codes
R. J. McEliece and E. R. Rodemich
NASA Code 310-30-70-14

Carrier Tracking Loop Performance in the Presence of Strong CW Interference
B. K. Levitt
NASA Code 310-30-69-02

DSS 13 Antenna Monitor System
B. Siev and D. Bayergo
NASA Code 310-30-68-09

Codes for a Priority Queue on a Parallel Data Bus
D. E. Wallis and H. Taylor
NASA Code 310-30-70-10

Network Control and Data Processing

Mathematical Model for Preventive Maintenance Scheduling
G. Lordena and D. S. Remer
NASA Code 310-40-73-05

Preliminary Maintenance Experience for DSS 13 Unattended Operations Demonstration
D. S. Remer and G. Lorden
NASA Code 310-40-73-05

NETWORK AND FACILITY ENGINEERING AND IMPLEMENTATION

Deep Space Stations

LAAS Studies: 26-, 34-, and 40-Meter Elements
W. F. Williams
NASA Code 311-03-42-51

Quick-Looking Decoding Schemes for DSN Convolutional Codes
C. A. Greenhall and R. L. Miller
NASA Code 311-03-43-20

DSN Energy Data Base Preliminary Design
E. R. Cole, L. O. Herrera, and D. M. Lascu
NASA Code 311-03-41-08

Microwave Time Delays in the DSN 34- and 64-Meter Antennas
R. Hartop
NASA Code 311-03-42-55

Assessment of 20-kW S-Band Transmitter
R. Dickinson and H. Hansen
NASA Code 311-03-41-09

A Circuit Model for Electromagnetic Properties of Waveguide Arcs
H. C. Yen
NASA Code 311-03-41-09

Waveguide Arc Study
H. C. Yen
NASA Code 311-03-41-09

OPERATIONS

Network Operations

Radio Frequency Interference Effects of Continuous Wave Signals on Telemetry Data: Part II
P. W. Low
NASA Code 311-03-12-30

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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