CM4228HD with NO Reflector and HHH (Holl_ands Horizontal Harness) analyzed using 4nec2, SAME version as OPTIMIZED earlier with 16 Reflector Rods. Note that HHH "Reflector" improves Forward Gain a bit.
UHF Raw Gain = 11.7 to 13.8 dBi, F/B & F/R Ratio = 1.6 to 0.4 dB and SWR (300-ohms) Under 2.8 (Good). Hi-VHF Raw Gain = 3.6 to 5.1 dBi, F/B & F/R Ratio = 1.1 to 0.9 dB and SWR (300-ohms) Under 3.0 (a bit High).
Date(s): 20 Oct 2015. Album by holl_ands. 1 - 21 of 21 Total. 11346 Visits.
enlarge 89KB, 584x1024 1 CM4228HD No Reflector + HHH 3D View
enlarge 351KB, 1024x974 2 CM4228HD No Reflector + HHH Front View [1 Large Square = 2.5 inches]
enlarge 125KB, 361x1024 3 CM4228HD No Reflector + HHH Top View [1 Large Square = 2.5 inches]
enlarge 144KB, 1024x677 4 CM4228HD No Reflector + HHH UHF Raw Gain = 11.7 to 13.9 dBi UHF F/B & F/R Ratio = 1.6 to 0.4 dB
enlarge 180KB, 1024x677 5 CM4228HD No Reflector + HHH UHF SWR (300-ohms) Under 2.8