2m Delta Loop

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In past posts, I have built several 6m Delta Loop antennas. An advantage of a Delta Loop is it does not pick up as much noise as many other antennas. Since I live in the city, I decided to built a 2m version and see how well it works for simplex operation.

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The 2m Delta Loop is similar to the 6m delta but has a 120 Degree angle on one side. This changes the feed point impedance to 200 ohms.

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11′ (3.3m) of 14 awg THHN wire is used for the radiating element.

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The 1:1 choke is the same as used on the 6m Delta. The 4:1 has the same core as the 2:1 used in the 6m Delta Loop. The core used is a T130-0 toroid. If testing with this toroid goes well, another post will be made with how its wound.

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A 3′ (1m) piece of 1/2″ PVC was used for a boom to support the delta loop. If testing goes well, brackets may be printed to attach PVC to each side of the Delta Loop.

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Tuning the Delta Loop was easy since the wire was cut a little long. With a little trimming, a SWR of 1.1:1 was achieved. Testing will be done with a transmitter and an updated post will be made.

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Links

https://km4nmp.com/2020/06/13/6m-delta-loop-with-21-balun/

https://km4nmp.com/2019/06/29/6m-delta-loop-rebuilt-with-different-matching/

http://www.ws6x.com/ant_calc.htm

https://macarrlabs.com/

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