Contents

12 September 1986
Vol 233, Issue 4769

About The Cover

Cover image expansion

MV-3 mobile very long baseline interferometry receiver during operations on Monument Peak in southern California. The system is used for the acquisition of geodetic baseline measurements as a part of the NASA Crustal Dynamics Project. This 5-meter-diameter radio telescope records quasar microwave emissions simultaneously with other mobile and fixed receivers. See page 1181. [Tony Ibbot, Jet Propulsion Laboratory, Pasadena, CA 91109]