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BSTJ 1: 2. November 1922: Application to Radio of Wire Transmission Engineering. (Espenschied, Lloyd) (1922)

leaf 18

An illustration from BSTJ 1: 2. November 1922: Application to Radio of Wire Transmission Engineering. (Espenschied, Lloyd), 1922, leaf 18
s and the shore radio stations which are in effect huge re-peaters relaying between the land line and the radio circuits. Because of the moderate attenuation obtaining in the wire trans-mission system, we can work with fairly long repeater spacings, about300 miles in this case, and with moderate… … Fig. 8 higher than is usual in radio systems. Due to the large attenuationsobtaining over the radio extensions, the radio repeaters must put out ahigh transmission level, making them costly, and even with this rela-tively high output, the level drops to very low values at the receiving 136 BELL…

Transmission · Wire · Radio · Carrier · Interference · Attenuation · Loss · Receiving · Antenna · Amplification · Transmission levels · Side band · Wire transmission · System technical · Transmission loss · Bell system · Transmission equivalent · Technical journal · Transmission level · Radio transmission

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