This Slim Jim for 70cm was homebrewed using a length of 18mm diameter thin-walled PVC tube, 20 SWG copper wire, a BNC socket and ‘M-Seal’(epoxy sealant in dual component lump form).
The wire ends and the flange-type BNC socket are secured with self-tapping screws.
Sealing against water ingress is done with M-Seal.
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| 70cm Wire Slim Jim Antenna |
A low SWR (less than 1.5:1) was obtained with the feed point at 25mm from the lower end.
This antenna weighs only 90 grams.
Related post: Open Stub J-Pole for 70cm
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