. The Bell System technical journal . 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 360 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 ANGLES OF INCIDENCE (e) - DEGREES Fig. 13—Wave-antenna array directional characteristic. Relative directional recep-tivity of lateral array of two Houlton antennas. (Short). COMPUTED DIRECTIONAL CHARACTERISTIC (0-180°) COMPUTED DIRECTIONAL CHARACTERISTIC (l80°-360°) • OBSERVED VALUES (0-180 ] o OBSERVED VALUES (180°-360°) INDIVIDUAL LENGTH HEIGHT ABOVE GROUND=a008KM ANTENNA DIRECTION = N 56° 7E ATTENUA
. The Bell System technical journal . 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 360 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 ANGLES OF INCIDENCE (e) - DEGREES Fig. 13—Wave-antenna array directional characteristic. Relative directional recep-tivity of lateral array of two Houlton antennas. (Short). COMPUTED DIRECTIONAL CHARACTERISTIC (0-180°) COMPUTED DIRECTIONAL CHARACTERISTIC (l80°-360°) • OBSERVED VALUES (0-180 ] o OBSERVED VALUES (180°-360°) INDIVIDUAL LENGTH HEIGHT ABOVE GROUND=a008KM ANTENNA DIRECTION = N 56° 7E ATTENUATION = PER RATIO = ANGLE = RADIANS LATERAL SPACING = K M. 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 ISC360 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 I6CANGLES OF INCIDENCE (6) - DEGREES Fig. 14—Wave-antenna array directional characteristic. Relative directional recep-tivity of modified longitudinal array of two Houlton antennas. (Short) directional diagram caused by the longitudinal array. A map of thisarray is shown in Fig. 12. The circuits for combining four antennas of an array of the type 340 BELL SYSTEM TECHNICAL JOURNAL described in the preceding paragraph are shown in Fig. 11. AntennasA and C form one lateral array; antennas B and D for
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
