Seven invited and 49 contributed papers cover topics in atmosphere structure, site survey, refection and troposphere effects; ionospheric environment; and scattering, IPS, ISS, and interference. The contributors include both scientists whose interests are primarily in the physics of the media involved, and those whose interest is in making good images and for whom the atmosphere is simply an unwanted problem. No subject index. Printed in China on acidic paper. Annotation copyright Book News, Inc. Portland, Or.