00645nam a2200181Ia 4500003000900000008004100009040001600050080001900066100002600085245013900111260003500250300001400285650001900299650002800318942000700346999001500353952009500368IN-BaIIA211028s9999 xx 000 0 eng d cIIA Library a621.396.8bSTR aStrutt, M. J. O92239 0aUltra-and extreme shortwave reception principles, operational and designcM. J. O. Strutt  aTorontobD. Van Nostrandc1947 axi, 387p. aNASA Thesaurus aRadio Engineering91656 cBK c1038d1038 00104070aBANbBANcGENd0000-00-00l0o621.396.8/ STRp1084r2022-02-05w0000-00-00yBK