6m Moxon Antenna for a painters pole
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a 6m ham band moxon antenna that attaches to a painter pole
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- Other Ideas
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- Creative Commons — Attribution — Noncommercial
This design was built to use fiberglass fence posts such as electric fence poles. They are around 9.75mm diameter and can be purchased from stores such as Tractor Supply for about $2.50 each. You may need to scale the parts up or down to fit your specific poles since they don't seem to be terribly consistent in size. It is easiest to print one of the wire guides to check the fitment first. Or print one and take it to the store when shopping for poles so you can pick ones that are the right size. If it's too tight the print will split on the layers so don't force the parts together!
The center support has painter pole threads built directly into it.
This design uses printed set screws to lock things down. The wires and dimensions are up to you to determine for your specific use case. I used 22awg silicone jacketed wire and was able to get it tuned up pretty well without too much trouble.
Use this calculator to get approximate dimensions.
https://portable-antennas.com/moxon.php
The support center to the bottom of pole holes is 14.5mm so you can use that to determine how long to cut your fiberglass supports.
This also includes front and rear pole holes though I only used the front one to support the feed point and coax.
The feed point construction requires a couple of m3 screws, washers, and nuts to get it wired up. It also requires a BNC connector. You could fashion your own feed point if you don't want to use these parts.
Be careful with the set screws since they could easily break if you tighten them too much. They're just to keep things from moving once you get it dialed in. Once the frequency and SWR is where you want it I suggest numbering the poles and the center support and marking the location of the wire guides on the poles so you can take it apart and get it back to the same state quickly.
This might work for different bands other than 6m but the fiberglass poles I used aren't long enough for larger antennas. You would also need different spacer pieces since the gap would be different.
This is not intended to be left installed outside. The feedpoint isn't weatherproofed and the center support may not handle heavy wind without splitting.
Printing this in ASA filament is highly recommended.