Radio direction finding /
Watson, D. W.
Radio direction finding / D.W. Watson, H.E. Wright. - London : Van Nostrand, 1971. - xiii, 209 p. : ill. - The Marconi series covering advances in radio and radar .
044209227X
Radio direction finders.
Radio compass.
Radio direction finding / D.W. Watson, H.E. Wright. - London : Van Nostrand, 1971. - xiii, 209 p. : ill. - The Marconi series covering advances in radio and radar .
044209227X
Radio direction finders.
Radio compass.