QC 307.5rU6 no.131 NOAA Technical Memorandum ERL WPL-131 0FC ^tes o* INFRASOUND FROM DISTANT ROCKET LAUNCHES Gary E. Greene A. J. Bedard, Jr. Wave Propagation Laboratory Boulder, Colorado February 1986 LIBRARY APR 2 3 1986 N.O.A.y U. S. Dept, of Coi.ti'ieice noaa NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION Environmental Research Laboratories / Soi.S* U&>[*/£> ~?ta. /3 NOAA Technical Memorandum ERL WPL-131 INFRASOUND FROM DISTANT ROCKET LAUNCHES Gary E. Greene A. J. Bedard, Jr. Wave Propagation Laboratory Boulder, Colorado February 1986 Of cC UNITED STATES DEPARTMENT OF COMMERCE Malcolm Baldrige, Secretary NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION Anthony J. Calio, Administrator Environmental Research Laboratories Vernon E. Derr, Director NOTICE Mention of a commercial company or product does not constitute an endorsement by NOAA Environmental Research Laboratories. Use for publicity or advertising purposes of information from this publication concerning proprietary products or the tests of such products is not authorized. ii CONTENTS Page ABSTRACT ... 1 1. INTRODUCTION ... 1 2. EQUIPMENT AND ANALYSIS PROCEDURE ... 3 3. SIGNAL