Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 294
th accordingly increased.Owing to the severe discharges of atmospheric electricity experienced at the U. S. NavalStations, it has been found necessary to connect the grid of the valve to earth through asmall variable condenser; for, otherwise, communication between the naval stations couldnot be… … .Fig. 295—Beat Receiver Circuits as Employed atU. S. Naval Stations. •This is an important consideration in the operation of the heterodyne, namely, that the amplitudeof the locally generated oscillations be carefully regulated for maximum response. 284 PRACTICAL WIRELESS TELEGRAPHY. 1 PUOTRON KJ…
Telegraph, Wireless
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