Lo+Hi-VHF SBGH (Single Bay Grey-Hoverman) w NARODS analyzed using 4nec2.
Two versions were analyzed: GHn2 is constrained to about 89-in x 89-in with 4 NARODS in the middle. GNn4 is a larger 98-in x 98-in with 8 NARODS in the middle, providing better Gain on Ch7-13.
GHn2 from nikiml's optimized 4nec2 file: http://clients.teksavvy.com/~nickm/gh_n_vV/gh2n_4v2_6V9.html GHn2 provides about 4-5 dBi Gain in Ch2-9 and about 9 dBi gain on Ch10-13 with SWR under 2.9.
GHn4 from nikiml's optimized 4nec2 file: http://clients.teksavvy.com/~nickm/gh_n_vV/gh4n_4v75_10V7.html GHn4 provides about 5-6 dBi Gain on Ch2-6 and 10-11 dBi Gain on Ch7-13 with SWR under 2.6.
Date(s): 24 Nov 2012. Album by holl_ands. 1 - 30 of 30 Total. 9363 Visits.
enlarge 82KB, 742x1024 1 Lo+Hi-VHF SBGH w NARODS - GHn2 3D View Overall about 89-in x 89-in
enlarge 229KB, 922x1024 2 Lo+Hi-VHF SBGH w NARODS - GHn2 Front View [1 big box = 12.5-inches] Overall about 89-in x 89-in
enlarge 52KB, 213x1024 3 Lo+Hi-VHF SBGH w NARODS - GHn2 Side View [1 big box = 12.5-inches]
enlarge 182KB, 1152x692 4 Lo+Hi-VHF SBGH w NARODS - GHn2 Ch2-13 Raw Gain Ch2-9: 4-5 dBi, Ch10-13: about 9 dBi