The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 343
n developed by J. A. Wil-loughby and P. D. Lowell, ofthe Bureau of Standards, foruse on submarines of the UnitedStates Navy. A submarineequipped with this type of coilis shown in Fig. 179-C. Twoinsulated wires are run fromthe conning tower of the sub-marine through in- sulated supports, and one… … O to nextO O -STAGEOF oo AMPLIFIED FIG.I79-B. COIL ANTENNA CIRCUIT WITH BALANCING CONDENSER,FOR U5L AS DIRECTION FINDER. transmit and therefore possible for a submerged submarine to remain in com-munication with ship and shore stations and other submarines.Good signals have been received from…
Telegraph, Wireless · Radio
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