UHF Vertical Stacked A-D 91XG

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UHF Vertical Stacked A-D 91XG

UHF Vertical Stacked, Antennas Direct 91XG 23-Element Corner-Yagis analyzed using 4nec2 with
various Separation Heights.

There is noticeable F/R Radio degradation and about 0.5 dB of Raw Gain Loss at 2-ft and 3-ft
Separation Height. F/R Ratio is only minimally degraded at 4-ft, with no degradation at 5 to 8-ft.

Date(s): 17 Aug 2013. Album by holl_ands. 1 - 36 of 36 Total. 4808 Visits.

enlarge 174KB, 1024x697 1 UHF Vertical Stacked A-D 91XG UHF Raw Gain Comparisons	enlarge 219KB, 1024x697 2 UHF Vertical Stacked A-D 91XG UHF F/R Ratio Comparisons	enlarge 330KB, 791x1024 3 UHF Vertical Stacked A-D 91XG 4nec2 File Example
enlarge 93KB, 631x1024 4 UHF Vertical Stacked A-D 91XG 3D View for 8-ft Separation	enlarge 102KB, 325x1024 5 UHF Vertical Stacked A-D 91XG Front View for 8-ft Separation [1 large square = 12.5 inches]	enlarge 200KB, 1152x685 6 UHF Vertical Stacked A-D 91XG 8-ft Separation UHF Raw Gain 14.6 to 19.9 dBi UHF F/R Ratio Minimum = 20.0 dB
enlarge 296KB, 1024x1024 7 UHF Vertical Stacked A-D 91XG 8-ft Separation Azimuthal Pattern at 470 MHz	enlarge 296KB, 1024x1024 8 UHF Vertical Stacked A-D 91XG 8-ft Separation Azimuthal Pattern at 530 MHz	enlarge 293KB, 1024x1024 9 UHF Vertical Stacked A-D 91XG 8-ft Separation Azimuthal Pattern at 590 MHz
enlarge 293KB, 1024x1024 10 UHF Vertical Stacked A-D 91XG 8-ft Separation Azimuthal Pattern at 650 MHz	enlarge 294KB, 1024x1024 11 UHF Vertical Stacked A-D 91XG 8-ft Separation Azimuthal Pattern at 698 MHz	enlarge 295KB, 1024x1024 12 UHF Vertical Stacked A-D 91XG 8-ft Separation Azimuthal Pattern at 806 MHz
enlarge 205KB, 1018x1024 13 UHF Vertical Stacked A-D 91XG 3D View for 4-ft Separation	enlarge 143KB, 346x1024 14 UHF Vertical Stacked A-D 91XG Front View for 4-ft Separation [1 large square = 5 inches]	enlarge 193KB, 1152x685 15 UHF Vertical Stacked A-D 91XG 4-ft Separation UHF Raw Gain 14.6 to 20.0 dBi UHF F/R Ratio Minimum = 19.9 dB
enlarge 295KB, 1024x1024 16 UHF Vertical Stacked A-D 91XG 4-ft Separation Azimuthal Pattern at 470 MHz	enlarge 295KB, 1024x1024 17 UHF Vertical Stacked A-D 91XG 4-ft Separation Azimuthal Pattern at 530 MHz	enlarge 293KB, 1024x1024 18 UHF Vertical Stacked A-D 91XG 4-ft Separation Azimuthal Pattern at 590 MHz
enlarge 294KB, 1024x1024 19 UHF Vertical Stacked A-D 91XG 4-ft Separation Azimuthal Pattern at 650 MHz	enlarge 293KB, 1024x1024 20 UHF Vertical Stacked A-D 91XG 4-ft Separation Azimuthal Pattern at 698 MHz	enlarge 294KB, 1024x1024 21 UHF Vertical Stacked A-D 91XG 4-ft Separation Azimuthal Pattern at 806 MHz
enlarge 293KB, 1024x1024 22 UHF Vertical Stacked A-D 91XG 4-ft Separation Elevation Pattern at 470 MHz	enlarge 291KB, 1024x1024 23 UHF Vertical Stacked A-D 91XG 4-ft Separation Elevation Pattern at 530 MHz	enlarge 290KB, 1024x1024 24 UHF Vertical Stacked A-D 91XG 4-ft Separation Elevation Pattern at 590 MHz
enlarge 292KB, 1024x1024 25 UHF Vertical Stacked A-D 91XG 4-ft Separation Elevation Pattern at 650 MHz	enlarge 294KB, 1024x1024 26 UHF Vertical Stacked A-D 91XG 4-ft Separation Elevation Pattern at 698 MHz	enlarge 297KB, 1024x1024 27 UHF Vertical Stacked A-D 91XG 4-ft Separation Elevation Pattern at 806 MHz
enlarge 213KB, 1024x916 28 UHF Vertical Stacked A-D 91XG 3D View for 2-ft Separation	enlarge 176KB, 467x1024 29 UHF Vertical Stacked A-D 91XG Front View for 2-ft Separation [1 large square = 5 inches]	enlarge 181KB, 1152x685 30 UHF Vertical Stacked A-D 91XG 2-ft Separation UHF Raw Gain 14.4 to 19.9 dBi UHF F/R Ratio Minimum = 17.9 dB
enlarge 298KB, 1024x1024 31 UHF Vertical Stacked A-D 91XG 2-ft Separation Azimuthal Pattern at 470 MHz	enlarge 299KB, 1024x1024 32 UHF Vertical Stacked A-D 91XG 2-ft Separation Azimuthal Pattern at 470 MHz	enlarge 296KB, 1024x1024 33 UHF Vertical Stacked A-D 91XG 2-ft Separation Azimuthal Pattern at 590 MHz
enlarge 295KB, 1024x1024 34 UHF Vertical Stacked A-D 91XG 2-ft Separation Azimuthal Pattern at 650 MHz	enlarge 296KB, 1024x1024 35 UHF Vertical Stacked A-D 91XG 2-ft Separation Azimuthal Pattern at 698 MHz	enlarge 299KB, 1024x1024 36 UHF Vertical Stacked A-D 91XG 2-ft Separation Azimuthal Pattern at 806 MHz

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What's the Db with stacked VHF HIGH 174-230MHZ at 2ft apart stacked
- Ken, Tue, 17 Nov 2015 2:57PM