00574nam a22001577a 4500003000900000005001700009008004100026040002300067082001500090100001800105245016600123260005700289300002800346650002100374700002100395BD-KhUET20121219170237.0121219s1977    ii a          000 0 eng    aBD-KhUETcBD-KhUET00a621.3840841 aBeatty, R. T.10aRadio data charts :ba series of forty-three abacs providing most of the essential data required in receiver design /cR. T. Beatty ; revised by J. McG. Sowerby.  aNew Delhi :bBusiness Promotion Publications,c1977.  a93 p. :bill. ;c25 cm. 0aRadio -- Tables.1 aSowerby, J. McG.