Hi-VHF+UHF Hourglass-Loop Inside Boxed-Dual-Rectangular-Loop (24x36-in) analyzed using 4nec2. Dimensions were determined using nikiml's Python Optimization Scripts.
UHF Raw Gain = 3.7 to 1.5 to 6.5 dBi and SWR (300-ohms) under 2.0 [EXCELLENT]. Hi-VHF Raw Gain = 4.7 to 4.8 to 4.5 dBi and SWR (300-ohms) under 6.3 [EXCESSIVE].
ERRATA (16Nov2013: Corrected Labels below Charts 22 and above. They erroneously had Bandwidth, rather than +/- Angle away from Forward, which is half the Bandwidth. Comments in 4nec2 File were also clarified to use identical description.
Date(s): 14 Nov 2013. Album by holl_ands. 1 - 39 of 39 Total. 1169 Visits.
enlarge 66KB, 637x1024 1 Hourglass-Loop In Boxed-DualRectLoop 3D View
enlarge 229KB, 677x1024 2 Hourglass-Loop In Boxed-DualRectLoop Front View [1 large square = 5 inches]
enlarge 30KB, 791x1024 3 Hourglass-Loop In Boxed-DualRectLoop 4nec2 File
enlarge 176KB, 1152x691 4 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain = 3.7 to 1.5 to 6.5 dBi in Forward Direction
enlarge 189KB, 1152x691 5 Hourglass-Loop In Boxed-DualRectLoop UHF SWR (300-ohms) Under 2.0
enlarge 243KB, 1152x691 6 Hourglass-Loop In Boxed-DualRectLoop UHF Impedance
enlarge 308KB, 1024x1024 7 Hourglass-Loop In Boxed-DualRectLoop Elevation Pattern at 470 MHz Slightly more Gain UPWARDS
enlarge 306KB, 1024x1024 8 Hourglass-Loop In Boxed-DualRectLoop Elevation Pattern at 578 MHz More Gain DOWNWARDS
enlarge 305KB, 1024x1024 9 Hourglass-Loop In Boxed-DualRectLoop Elevation Pattern at 602 MHz Slightly more Gain UPWARDS
And Towards Horizon at 698 MHz
enlarge 316KB, 1024x1024 10 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 470 MHz
enlarge 314KB, 1024x1024 11 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 530 MHz
enlarge 336KB, 1024x1024 12 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 590 MHz
enlarge 309KB, 1024x1024 13 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 650 MHz
enlarge 313KB, 1024x1024 14 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 698 MHz
enlarge 307KB, 1024x1024 15 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 758 MHz
enlarge 175KB, 1152x691 16 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain = 4.7 to 4.8 to 4.5 dBi in Forward Direction
enlarge 193KB, 1152x691 17 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF SWR (300-ohms) Under 6.3
enlarge 239KB, 1152x691 18 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Impedance
enlarge 316KB, 1024x1024 19 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 174 MHz
enlarge 315KB, 1024x1024 20 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 198 MHz
enlarge 314KB, 1024x1024 21 Hourglass-Loop In Boxed-DualRectLoop Azimuthal Pattern at 216 MHz
enlarge 159KB, 1152x691 22 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 10-deg from Forward
enlarge 171KB, 1152x691 23 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 15-deg from Forward
enlarge 162KB, 1152x691 24 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 20-deg from Forward
enlarge 160KB, 1152x691 25 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 30-deg from Forward
enlarge 177KB, 1152x691 26 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 40-deg from Forward
enlarge 168KB, 1152x691 27 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 50-deg from Forward
enlarge 160KB, 1152x691 28 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 60-deg from Forward
enlarge 175KB, 1152x691 29 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 70-deg from Forward
enlarge 167KB, 1152x691 30 Hourglass-Loop In Boxed-DualRectLoop UHF Raw Gain at +/- 80-deg from Forward
enlarge 164KB, 1152x691 31 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 10-deg from Forward
enlarge 164KB, 1152x691 32 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 15-deg from Forward
enlarge 172KB, 1152x691 33 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 20-deg from Forward
enlarge 162KB, 1152x691 34 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 30-deg from Forward
enlarge 162KB, 1152x691 35 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 40-deg from Forward
enlarge 165KB, 1152x691 36 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 50-deg from Forward
enlarge 164KB, 1152x691 37 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 60-deg from Forward
enlarge 164KB, 1152x691 38 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 70-deg from Forward
enlarge 170KB, 1152x691 39 Hourglass-Loop In Boxed-DualRectLoop Hi-VHF Raw Gain at +/- 80-deg from Forward
