Omega propagation correction tabels : for 10.2 kHz, area 02 Central U.S.S.R. Station C (Hawall) - Washington, D.C. : United States Department of Defense, 1981 - x,41 p. ; 27 cm. Pub.224 (102-C) C Subjects--Topical Terms: Oceanography--Arctic OceanArctic Ocean--Congresses Dewey Class. No.: 551.468