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antenna:cobweb [2025/04/25 14:00] – created gm5alxantenna:cobweb [2025/04/25 14:03] (current) – gm5alx
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   * [[https://www.hamgoodies.co.uk/cobwebb-balun-box|Balun premade]]   * [[https://www.hamgoodies.co.uk/cobwebb-balun-box|Balun premade]]
   * [[https://carbonfibreprofiles.com/products/3m-grp-tubes?variant=40367699263524|Fiberglass Tubes]]   * [[https://carbonfibreprofiles.com/products/3m-grp-tubes?variant=40367699263524|Fiberglass Tubes]]
 +
 +
 +[[https://www.m0pzt.com/cobweb-aerial/|Instructions]], highlights:
 +
 +Parts required :
 +
 +    Aluminium Plate : 200x100mm *
 +    Aluminium Plate : 150x100mm *
 +    3x 1″ 16swg Aluminium Tube, 1m length *
 +    You can use fibreglass throughout, if the wall-thickness is sufficient
 +    2x 20mm PVC Conduit, 3m length – fine for prototype, but fibreglass is better!
 +    8x 1″ Stauff Element Claps *
 +    2x V-bolts *
 +    1.6mm (or whatever you have) Wire – total usage is about 38m.
 +    2x FT140-61 (or FT240-61 for QRO) Ferrite toroids – from Ham Goodies
 +    4x 600mm of RG316 Coax (Ham Goodies), or, for 100w MAX: RG174 will be fine
 +    1x Waterproof Enclosure (min size: 120x85x55mm)
 +    Selection of nuts/bolts – ensure they are stainless-steel!
 +
 +* items are in the metal hardware pack
 +
 +[[https://cpc.farnell.com/concordia-technologies/ew24-0-2blk100m/equipment-wire-24-0-20mm-black/dp/CB19907|Some wire]] or sotabeams.
antenna/cobweb.1745589629.txt.gz · Last modified: by gm5alx