CONTENTS

Report ITU-R RA.2551-0
Policy on Intellectual Property Right (IPR)
 1 Introduction
        1.1 Harmonic emissions
        1.2 Design considerations
        1.3 Challenges and opportunity cost to RAS
        1.4 Influence dependency with different parameters
                  1.4.1 Transmitter height
                  1.4.2 Receiving antenna pointing and gain
 2 Measurement of impacts of harmonic emission at radio astronomy facilities
        2.1 Techniques to identify harmonics emissions
        2.2 United States of America
                  2.2.1 Arecibo Observatory, Puerto Rico
                  2.2.2 The very large array, New Mexico
                  2.2.3 Owens Valley Radio Observatory, California
        2.3 Other regions
                  2.3.1 South Pole telescope
 3 Summary
 4 References and related ITU-R Recommendations and Reports
 5 List of acronyms and abbreviations