HRD Wire winder.
1 year ago
23
I printed a wire winder that @HAMRADIODUDE posted on Thingiverse.
https://www.thingiverse.com/thing:5377182
I used a 140-43 ferrite core. 16 gauge magnet wire. Specs all suggested by K1RF Steve Dick in his presentation. I've used several of his suggestions and they have all worked great.
http://gnarc.org/wp-content/uploads/The-End-Fed-Half-Wave-Antenna.pdf
I printed the case in PETG. I had some warping so it didn't fit perfect. I had to drill out the BNC connector hole a tiny bit. It's a tight fit, but it is a nice small package. It wouldn't hurt for it to be a little bit bigger.
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