Build a Portable QRP Dipole (Or higher power with the correct toroid) for Portable Use!
Go portable OR make your loved ones some really nice Ham Radio Jewelry! This Wago dipole is sure to impress your friends.
My dipole with these instructions were made to have a better choking impedance between 20m and 10m. Also I would like to point out, if you area looking for a more effective dipole on 80m, for example, you may be best to look at a type31 toroid, such as FT114-31.
Furthermore, this is a guide and the dipole will work. However, to ensure the most efficient turns for your scenario (bands, etc), you may have to do some experimentation to work out what is right for you.
If you are looking for a 3d printed holder for everything, turns out DG1JAN did this already! - https://www.thingiverse.com/thing:6709858
He has also made a PCB for a WAGO EFHW - https://github.com/DG1JAN/221-UnUn
If you are looking for another 3d printed holder, which works, https://www.thingiverse.com/thing:6662991/files In those files, there is a file named EFHW-MINI-BNC-DUDE.stl
Truthfully, unless you want the wire winding , I don't think it is needed. The Marine Heat Shrink tubing is pretty durable and has been holding the dipole in the video, very well.
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Materials Needed (Where possible, all links are affiliate links. If you can find cheaper, please go for it. Otherwise, thanks for supporting the channel through the affiliate links, where I may make a commission on the sale):
- 2 Wago Connectors - https://amzn.to/4iymTHn
- 1 FT82-43 Toroid - https://amzn.to/49BA7Pq (I used Mouser or digikey https://www.mouser.com/ProductDetail/Fair-Rite/5943000601?qs=Ca1fAiqt1ar38V9Ez9Ibjg%3D%3D&srsltid=AfmBOop8Z5M85oxagJKJ2Y-orKxGFuZXLKmdOINufMG6DcAHdthh_T9_
)
- 22 awg magnet wire -https://amzn.to/4ghauWA
- 3/4 Marine Grade heat tubing (I used harbor freight) - https://amzn.to/4gf8ZZb
- 550 cord (Just a bit) I used stuff from Ace - https://amzn.to/4ge8wGG
- BNC Connector - https://amzn.to/49CbrpX
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Other tools used in this episode - a Multimeter, an Antenna Analyzer, a Soldering Iron.
Halibut CMC Test Rig - https://electronics.halibut.com/product/common-mode-current-choke-test-rig/
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#QRP #HamRadio #PortableAntenna