. The Bell System technical journal . Fig. 5—Million-cycle repeater mounted in a Fig. 6—Installation of coaxial repeater above ground. 60 ^ ^ 50 ^. ^^ in_iiij(D 40 UUJQ i ^ ^ Z ;3o< y^ /^ Y 20 J / / 10 0 100 2 00 300 400 500 600 700 600 900 1000 FREQUENCY IN KILOCYCLES PER SECOND Fig. 7—Gain-frequency characteristic of coaxial repeater. BELL SYSTEM TECHNICAL JOURNAL PHILADELPHIA

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1