Hi-VHF Quad-Trapezoid-Loop

			• Public Gallery • Help

		• Join Now! • Log In • Feature Tour

holl_ands | Home > Loop Antennas incl Folded Dipole >

Hi-VHF Quad-Trapezoid-Loop

Hi-VHF Quad-Trapezoid-Loop Antenna analyzed using 4nec2, formed by adding outer parts
of Chireix 2-Square to an Hourglass-Loop. All dimensions determined using nikiml's
Optimization Scripts.

Hi-VHF Raw Gain = 7.3 to 8.7 dBi and SWR (300-ohms) Under 1.6.

Date(s): 5 Jul 2016. Album by holl_ands. 1 - 14 of 14 Total. 5890 Visits.

enlarge 61KB, 730x1024 1 Hi-VHF Quad-Trapezoid-Loop 3D View	enlarge 161KB, 607x1024 2 Hi-VHF Quad-Trapezoid-Loop Front View [1 large square = 12.5 inches]	enlarge 27KB, 791x1024 3 Hi-VHF Quad-Trapezoid-Loop 4nec2 File includes Summary of Dimensions
enlarge 185KB, 1152x703 4 Hi-VHF Quad-Trapezoid-Loop Hi-VHF Raw Gain = 7.3 to 8.7 dBi	enlarge 207KB, 1152x703 5 Hi-VHF Quad-Trapezoid-Loop Hi-VHF SWR (300-ohms) Under 1.6	enlarge 237KB, 1152x703 6 Hi-VHF Quad-Trapezoid-Loop Hi-VHF Impedance
enlarge 320KB, 1024x1024 7 Hi-VHF Quad-Trapezoid-Loop Azimuthal Pattern at 174 MHz	enlarge 320KB, 1024x1024 8 Hi-VHF Quad-Trapezoid-Loop Azimuthal Pattern at 198 MHz	enlarge 319KB, 1024x1024 9 Hi-VHF Quad-Trapezoid-Loop Azimuthal Pattern at 216 MHz
enlarge 314KB, 1024x1024 10 Hi-VHF Quad-Trapezoid-Loop Elevation Pattern at 174 MHz Elevation Beamwidth is TWICE Chart Label	enlarge 312KB, 1024x1024 11 Hi-VHF Quad-Trapezoid-Loop Elevation Pattern at 198 MHz Elevation Beamwidth is TWICE Chart Label	enlarge 316KB, 1024x1024 12 Hi-VHF Quad-Trapezoid-Loop Elevation Pattern at 216 MHz Elevation Beamwidth is TWICE Chart Label
enlarge 26KB, 791x1024 13 Hi-VHF Quad-Trapezoid-Loop EVAL Summary of Performance	enlarge 23KB, 791x1024 14 Hi-VHF Quad-Trapezoid-Loop EVAL Performance Results

Select All.

Sign the Guestbook. Displaying 1 of 1 entries.

Good details.
best thought in english.
- Bera, Sat, 18 Mar 2023 10:45AM