. The Bell System technical journal . 40 50 60 70 80 90 100 110FREQUENCY IN KILOCYCLES PER SECOND 120 130 140 150 Fig. 7—Far-end crosstalk between wires 7-8 and 9-10 of Amarillo-Albuquerque line,measured from pole 1 to pole 4236, a distance of 105 40 50 60 70 80 90 100 110FREQUENCY IN KILOCYCLES PER SECOND 120 130 140 150 Fig. 8—Impedance of 165-niil copper, 8-inch spaced, CS insulated pair of wires onAmarillo-Albuquerque line, measured from pole 1 to pole 4236. TRANSCONTINENTAL TELEPHONE LINES 243

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1