| Last additions - Attic Dipole for HF |
Antenna Wire4 viewsI used 14 awg stranded copper wire for the antenna. I've since removed the wire nuts and soldered the connections. The length is 56' total. My attic is only ~60' across, so I used as much space as possible in the attic for the antenna.Mar 17, 2009
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W2AU 4:1 Balun4 viewsI wasn't ready to experiment making my own balun -- yet. Maybe next time. Thanks to Art Reno at HRO Anaheim for providing some assistance with this project.Mar 17, 2009
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RF Choke3 viewsHere's a closer shot of the RF choke.Mar 17, 2009
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Antenna wire connection2 viewsAnother view of the balun and antenna wire.Mar 17, 2009
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RF Choke to Balun3 viewsHere is the choke-balun connection. The balun is a simple 4:1 from HRO Anaheim.Mar 17, 2009
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Nice Shoes3 viewsWifey taking my picture. You can see the south pipe over my head.Mar 17, 2009
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North side piping complete4 viewsTwo 10' sections and a 5' section all coupled and glued.Mar 17, 2009
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Common-mode coaxial choke2 viewsMy first attempt at a simple RF choke. I used 18' of RG-8x and wrapped it carefully around one of the rafters. Electric tape is used to help hold the form.Mar 17, 2009
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3" ABS Piping along roofline2 viewsI selected 3" piping to provide adaptability for future antenna projects. Traps can be added that will fit inside the wide piping.Mar 17, 2009
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North pipe and south pipe meet1 viewsThe distance between each is approximately 5' to allow for installing the balun.Mar 17, 2009
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My view from above1 viewsIt's only a 10' ceiling, so the attic is very accessible.Mar 17, 2009
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Arrow OSJ 146/4405 viewsYou can see my Arrow VHF/UHF J-pole in the distance.Mar 17, 2009
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ABS Pipes3 viewsI purchased 5 10' sections of black 3" ABS pipe for supporting the antenna.Mar 17, 2009
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ABS pipes staged for lifting2 viewsIt was tricky getting the 10' pipes into the attic!Mar 17, 2009
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VHF/UHF J-pole3 viewsHere's a better shot of my Arrow OSJ 146/440 J-pole.Mar 17, 2009
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First pipe installed5 viewsHere are the first two 10' sections of the piping after coupling and gluing.Mar 17, 2009
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4 viewsThe very back right-corner is where I wanted to start the North end of my dipole. Very cramped.Mar 17, 2009
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