The Interplanetary Network Progress Report

Volume 42-215

Jon Hamkins
Editor in Chief

November 15, 2018

National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California



Advanced Ranging Instrumentation
Meegyeong Paik, James S. Border, Stephan Esterhuizen, and Dong K. Shin

Maximum Likelihood Estimation of Delay and Phase for Chirped Signals
Victor Vilnrotter and Julian Breidenthal

An Orbital Angular Momentum Feed for 34-Meter Beam Waveguide Antennas
Daniel Hoppe, Charles Naudet, Julian Breidenthal, and Gabor Lanyi

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. Copyright 2018 California Institute of Technology. U.S. Government sponsorship acknowledged.