Hufford, G.A. Characterization of a vhf air-ground channel / G.A. Hufford and A.G. Longley - Washington : United States Government Printing Office, 1974 - vii, 66 p. : ill. ; 26 cm. OT report 74-47 Subjects--Topical Terms: Wireless communication systemsRadio relay systems Dewey Class. No.: 384.5