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UHF 2xM4 Twisted 8-Bay - Quasi-OMNI
UHF Vertically-Stacked and Twisted 2xM4 (9.5x9) 4-Bays providing Quasi-Omnidirectional Antenna Pattern analyzed using 4nec2.
7 Jan 201415 items6069 visitsAlbum by holl_ands
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2xM4 (9.5x9) Twisted 8-Bay
3D View

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2xM4 (9.5x9) Twisted 8-Bay
Front View
[1 large square = 5 inches]

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2xM4 (9.5x9) Twisted 8-Bay
Top View
[1 large square = 2.5 inches]

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2xM4 (9.5x9) Twisted 8-Bay
UHF Raw Gain = 5.7 to 9.2 dBi at 90-deg
Forward/Reverse are BEST Gain Directions

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2xM4 (9.5x9) Twisted 8-Bay
UHF SWR (300-ohms) Under 2.4

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2xM4 (9.5x9) Twisted 8-Bay
UHF Impedance

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2xM4 (9.5x9) Twisted 8-Bay
UHF Raw Gain = 5.2 to 0.5 dBi at 45-deg
Diagonals are WORST Gain Directions

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2xM4 (9.5x9) Twisted 8-Bay
UHF Raw Gain = 6.0 to 8.0 dBi at 80-deg
Shows F/B & F/R Ratios at this angle

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2xM4 (9.5x9) Twisted 8-Bay
4nec2 File

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2xM4 (9.5x9) Twisted 8-Bay
Azimuthal Pattern at 470 MHz

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2xM4 (9.5x9) Twisted 8-Bay
Azimuthal Pattern at 530 MHz

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2xM4 (9.5x9) Twisted 8-Bay
Azimuthal Pattern at 590 MHz

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2xM4 (9.5x9) Twisted 8-Bay
Azimuthal Pattern at 650 MHz

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2xM4 (9.5x9) Twisted 8-Bay
Azimuthal Pattern at 698 MHz

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2xM4 (9.5x9) Twisted 8-Bay
Azimuthal Pattern at 806 MHz

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