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Animats04/27/20250 repliesview on HN

The Slinky antenna goes back to at least the 1970s.[1]

It's not just a dipole. The helical coils give it a much longer effective length than a straight wire.

Some preppers are into Slinky antennas. Compact in storage, easy to set up, reusable.

[1] https://www.kb6nu.com/the-slinky-antenna/