I think you might be surprised at how well a 'short' antenna will work just for 'listening'. There's a lot of "if's/and's/but's" in it, but the Navy did some research a long time ago that showed that a resonant antenna just wasn't needed to receive adequately. If I remember correctly, most
HF stuff could be heard 'adequately' (which means not the best, but adequately) with just a six foot antenna. Being a bit skeptical about that, I had to try it. They were right. Which says nothing about having to use such a thingy, and wanting to, or getting the absolute bestest results.
So, would I use a typical 102" whip for listening if I had the option of a resonant (or one close to it) antenna? Of course not! But you certainly can.
- 'Doc
(And no, that's not why the common 102" whip antenna is that length.

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