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7m Spiderbeam Dipole Center
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A wire dipole/balun center that fits over the top element of a 7m Spiderbeam.
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Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Attribution
This model fits over the top element of a 7m Spiderbeam mast, has zip-tie holes for a toroid and strain relief holes for the antenna wires. The large holes fit a straight BNC connector, with the hole on the other side supporting a third guy wire, or a wire to hoist it up into a tree.
I am using this as the center for a linked dipole for my mid-band QMX (60-40-30-20-17-15).
Parts:
- Straight BNC connector 31-221-RFX
- Ferrite core (FT140-43 equivalent) 5943001301
- 2mm banana plugs (without part no.)