Report on lunar ranging at McDonald Observatory for the period February 16 to April 15, 1970.

This report describes the lunar ranging activities at McDonald Observatory and the associated activities at the University of Maryland for the two-month period February 16, 1970 to April 15, 1970. During this period numerous acquisitions were obtained. A major problem was discovered and remedied. As a result, a continuing high rate of acquisition producing good data is anticipated.