00588nam a2200181Ia 4500 204821 BIBL 20160527193712.0 960808s19931972nju||||||||||||||1||eng|d 0823087034 Orr, William Ittner Local 145696 Cubical Quad antennas how to build and adjust quads William I. Orr, Stuart D. Cown. 3rd ed. Lakewood, N.J. Radio Amateur Callbook 1993, c1972 109 p. ill. Shortwave radio Antennas. Local 169889 Cowon, Stuart D. Local 81656 153066 153066 0 0 0 621_382400000000000_O75C3 0 evl 215715 10 10 1 2016-05-27 297338 0 621.3824 O75c3 80000001915050 2016-05-27 00:00:00 r:204821 z:NCC:D 6