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holl_ands | Home > Loop Antennas incl Folded Dipole > Browse:UHF Folded & Tri-Folded DipolesHi-VHF Folded DipolesLo-VHF Folded Dipole incl. Ch6 & FMUHF Circular & Square Loops NO ReflectorVHF Square & Circular LoopsHi-VHF Circular Loop + ReflectorUHF "Figure-8" Twin Loops - NO ReflHi-VHF Figure-8 Twin Loops - NO ReflUHF Twin-Hoop Chireix - NO or 26ReflRodsUHF Shorted Bowtie Loop (SBL)HiVHF Shorted Bowtie Loop (NO Reflector)Hi-VHF Shorted Bowtie Loop (w Reflector)UHF+Hi-VHF Bowtie-In-Loop - NO ReflectorUHF+Hi-VHF Bowtie-In-Loop (w ReflRods)HiVHF+UHF DreamcatcherHi-VHF Square Loop + Reflector2-Bay Hentenna NO+11ReflRodsUHF Hourglass LoopHi-VHF Hourglass LoopLo-VHF+FM Hourglass Loop
Hi-VHF Figure-8 Twin Loops - NO Refl Hi-VHF "Figure-8" Twin Circular Loops with NO Reflector analyzed using 4nec2. Optimum size is 24-in Diameter, using QICT (Quarter-Inch Copper Tubing). Date(s): 15 July 2009. Album by holl_ands. 1 - 5 of 5 Total. 353 Visits.
enlarge 0KB, 1024x819 1 Hi-VHF Twin (Figure8) Loops - Raw Gain Optimum size is 24-in for 1/4-in Copper Tubing enlarge 0KB, 1024x819 2 Hi-VHF Twin (Figure8) Loops - SWR Optimum size is 24-in for 1/4-in Copper Tubing 300-ohms is optimum Characteristic Impedance load. enlarge 0KB, 1024x819 3 Hi-VHF Twin (Figure8) Loops - Impedance Optimum size is 24-in for 1/4-in Copper Tubing enlarge 0KB, 1024x696 4 HiVHF Circular Loops Compare Single vs Twin (Figure8) Loops Only a small increase in Gain.  Better use of materials to use a Reflector Loop instead. enlarge 28KB, 791x1024 5 Hi-VHF Twin (Figure8) Circular Loops Example 4nec2 file
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