Pat.#5057846:		Efficient operation of probing radar in absorbing media
INVENTORS:		Harmuth; Henning F., Sydney, Australia
ASSIGNEES:		Geophysical Survey Systems, Inc., North Salem, NH
ISSUED:		Oct. 15, 1991
FILED:		Mar. 26, 1990
ABSTRACT: A ground (or similar)--probing radar system in which the signal radiation is interrupted for short intervals. Reception is possible during these intervals and the dead range is virtually eliminated.