UHF Shorted Bowtie Loop (SBL)

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UHF Shorted Bowtie Loop (SBL)

UHF Shorted Bowtie Loop (SBL) Antenna analyzed using 4nec2.

An SBL is a Loop Antenna with an interior Bowtie acting as a Feedline.
It is compared here to just a Loop as well as just a 6 or 4-Whisker Bowtie.

Date(s): 15 Sept 2009. Album by holl_ands. 1 - 12 of 12 Total. 12611 Visits.

enlarge 283KB, 1024x696 1 Twin-Hoop Chireix vs "Figure-8" Twin-Loop vs Shorted-Bowtie-Loop (SBL) vs 2-Bay Hentenna vs 6-Whisker Bowtie vs Single Loop. In decreasing UHF Gain order.	enlarge 0KB, 1024x696 2 Compare UHF Raw and Net Gain: Shorted-Bowtie-Loop (14.6-in O.D.) Circular Loop (8.5 + 8.0-in O.D.) Bowtie (23.3-in Wide)	enlarge 0KB, 1024x696 3 Compare UHF SWR (300-ohm): Shorted-Bowtie-Loop (14.6-in O.D.) Circular Loop (8.5 + 8.0-in O.D.) Bowtie (23.3-in Wide)
enlarge 0KB, 1024x996 4 Shorted-Bowtie-Loop - 3D View	enlarge 0KB, 1024x990 5 Shorted-Bowtie-Loop - Front View (AWG7, 14.6-in O.D.) [One small box = 0.25-inch]	enlarge 0KB, 127x1024 6 Shorted-Bowtie-Loop - Side View
enlarge 0KB, 126x1024 7 Shorted-Bowtie-Loop - Top View	enlarge 36KB, 791x1024 8 Shorted-Bowtie-Loop - 4nec2 File AWG7 Copper Wire	enlarge 35KB, 791x1024 9 Shorted-Bowtie-Loop - 4nec2 File AWG12 Copper Wire
enlarge 0KB, 1024x819 10 Shorted-Bowtie-Loop - UHF Raw Gain AWG7 Copper Wire	enlarge 0KB, 1024x819 11 Shorted-Bowtie-Loop - UHF SWR AWG7 Copper Wire	enlarge 0KB, 1024x819 12 Shorted-Bowtie-Loop - UHF Impedance AWG7 Copper Wire

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Sign the Guestbook. Displaying 3 of 3 entries.

Prime post.
Best happy birthday brother
- Tela, Sat, 18 Mar 2023 9:42AM

Thanks for the antenna gallery and graphs!
- Nathan, Wed, 15 Nov 2017 11:22AM

wonderful info I heard about these thru 2000 (rats! cn't remember the rest of scr. name. been looking and looking and it is slowly making sense
- Jay Daniels, Wed, 13 Jan 2010 1:48PM