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"Because the signal flows through you.
Sounds like you have a ground problem with your mp3 player or at your ground loop of your antenna."
That's the obvious answer, or at least the first thing that comes to mind but it doesn't fully explain what's going on when you touch an antenna. I get the same effect when I touch an insulated length of 300 or 75 ohm wire being used as an antenna. It's just a thin sheath of plastic so it doesn't block the electromagnetic waves in the air but it would insulate your body from direct electrical contact with the wire.
Also, and I think more importantly, WHY does your body act as such a better antenna? And how can you replicate that effect? IF your body is such an awesome antenna then why hasn't the industry just started making them all to mimic human bodies? Is it just because your body is mostly water? So then would taping your antenna to the side of a metal jug of water help so you don't have to stand there holding it yourself all day?
As you have noticed, you don't always have to hold it. Sometimes, just by getting close, you will see the same result. This phenomenon happens because of electromagnetic field around our body originating from heart and brain activities.
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∙ 11y ago
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