. The Bell System technical journal . eatures discussed by him were developed for use also in the musareceivers. These features include highly stable oscillators, crystalfilters and automatic tuning circuits. Outline Description of Receivers A block schematic of one channel of the commercial musa systemis shown in Fig. 1. The sixteen rhombic antennas are placed in a linetwo miles long in the direction of the English transmitting station. * H. T. Friis and C. B. Feldman, A Multiple Unit Steerable Antenna for Short-Wave Reception, Proc. , Vol. 25, pp. 841-917, July 1937; , Vol. XVI
. The Bell System technical journal . eatures discussed by him were developed for use also in the musareceivers. These features include highly stable oscillators, crystalfilters and automatic tuning circuits. Outline Description of Receivers A block schematic of one channel of the commercial musa systemis shown in Fig. 1. The sixteen rhombic antennas are placed in a linetwo miles long in the direction of the English transmitting station. * H. T. Friis and C. B. Feldman, A Multiple Unit Steerable Antenna for Short-Wave Reception, Proc. , Vol. 25, pp. 841-917, July 1937; , Vol. XVI,No. 3, pp. 337-419, July 1937. * A. J. Gill, Wireless Section, Chairmans Address, Jour. , Vol. 84, No. 506,pp. 248-260, February 1939. ^ A. A. Oswald, A Short-Wave Single Sideband Radio Telephone System, , Vol. 26, No. 12, pp. 1431-54, December 1938. * A. A. Roetken, A Single Sideband Receiver for Short-Wave Telephone Service,Froc. , Vol. 26, No. 12, pp. 1455-65, December 1938. 308 BELL SYSTEM TECHNICAL JOURNAL. mmrnmrnm U rrTiTiTiTTia
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