Copy of author's previously published article inserted. / Bibliography: p. 239-253. / xxx, 253, [42] p. : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / This thesis is concerned with the determination of gravity wave characteristics using operational radiosondes. / Thesis (Ph.D.)--University of Adelaide, Dept. of Physics and Mathematical Physics, 1996?