RTL SDR stock antenna rebuild
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Broke the stock antenna from my RTL SDR V4 this is my improved rebuild
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- Printables
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- Electronics
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- Creative Commons — Attribution
I broke the stock antenna for my SDR. Just the plain bunny ears that came with the dongle. This antenna actually worked pretty well so it was unfortunate. I might have left it outside in a storm.
This new version of the plastic body is about the same dimensions on the outside. You need to pause the print and insert a ¼-20 hex nut at just the right time. It's a tight fit. The other difference is the body is split most of the way down and the bolts of that secure the antennas actually squeeze this gap closed on the antennas so they've got more friction to stay in place. I'm using M3 hardware. The nuts need some super glue to stay in, can't win them all.
I had to re-solder the antenna connections as the current connections failed when the antenna broke. You'll have to do the same. Not ideal but it worked.
Probably wasn't worth rebuilding this $10-ish unit but here you go.