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holl_ands | Home > Multi-Bay Bowtie Antennas > UHF 8-Bay Bowtie with Reflector > Browse:New CM4228HD (As Shipped)CM4228HD with UHF Hollands Horiz HarnessHi-VHF+UHF CM4228HD HHH - ALTERNATIVESCM4228HD with RF Combiner ModCM4228HD RF Combiner & Enclosed BowtiesOld CM4228 (holl_ands) w Screen ReflOld CM4228 with Hollands Horiz HarnessOld CM4228 (holl_ands) - RF Combiner ModOld CM4228 Enclosed Bowtie ModCM4228a (Nist) 8-Bay with ReflectorCM-4228a (Nist) If RF Combiner ModA-C U8000 8-Bay - 9 Split RR AltHarnessA-C U8000 8-Bay - 9 Full-Width Refl Rods
A-C U8000 8-Bay - 9 Full-Width Refl Rods Antennacraft U-8000 8-Bay Bowtie, modified for 9 FULL-WIDTH Reflector Rods analyzed using 4nec2 (eliminated 1/4-in Gap between each Pair of Reflector Rods). Modification reduced F/B & F/R Ratios. Dimensions from a 4nec2 file posted by 300ohm in April 2011. Date(s): 18 May 2013. Album by holl_ands. 1 - 20 of 20 Total. 8759 Visits.
enlarge 189KB, 1018x1024 1 A-C U-8000 8-Bay - 9 Full-Width Refl Rods 3D View enlarge 282KB, 1024x850 2 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Front View [1 large box = 5 inches] enlarge 82KB, 247x1024 3 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Side View [1 large box = 2.5 inches] enlarge 197KB, 1152x678 4 A-C U-8000 8-Bay - 9 Full-Width Refl Rods UHF Raw Gain Max = 14.7 dBi Modification reduced F/B & F/R Ratios enlarge 210KB, 1152x678 5 A-C U-8000 8-Bay - 9 Full-Width Refl Rods UHF SWR (300-ohms) is Excessive on Lower Channels enlarge 245KB, 1152x678 6 A-C U-8000 8-Bay - 9 Full-Width Refl Rods UHF Impedance enlarge 300KB, 1024x1024 7 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 470 MHz enlarge 301KB, 1024x1024 8 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 530 MHz enlarge 299KB, 1024x1024 9 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 590 MHz enlarge 301KB, 1024x1024 10 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 650 MHz enlarge 301KB, 1024x1024 11 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 698 MHz enlarge 304KB, 1024x1024 12 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 806 MHz enlarge 179KB, 1152x678 13 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Hi-VHF Raw Gain Max = 8.8 dBi Note Large Gain Loss on Ch10 enlarge 217KB, 1152x678 14 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Hi-VHF SWR (300-ohms) Excessive except Ch12-13 enlarge 251KB, 1152x678 15 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Hi-VHF Impedance enlarge 302KB, 1024x1024 16 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 174 MHz enlarge 302KB, 1024x1024 17 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 198 MHz enlarge 306KB, 1024x1024 18 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Azimuthal Pattern at 216 MHz enlarge 36KB, 791x1024 19 A-C U-8000 8-Bay - 9 Full-Width Refl Rods 4nec2 File enlarge 76KB, 273x1024 20 A-C U-8000 8-Bay - 9 Full-Width Refl Rods Top View [1 large box = 5 inches]
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