Questions tagged [loop]

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Is it necessary to have a "loop" antenna to make the primary antenna work?

I know nothing of ham radios. However, my elderly uncle, who lives next door to me has a ham radio. He has a very tall antenna. He gets a friend of his to string what looks like to me, an "air ...
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Is this true about ferrite loop antennas?

There is an article on wikipedia about loop antennas. It shows like an AM radio's antenna with the ferrite rod and says this: This greater conductance channels thousands of times more magnetic power ...
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Interpreting (noise) signals from a small untuned shielded loop

This a follow up from this question: QRN: How to chase down a solid S9 noise floor on 40m only Focusing on how to interpret the signals received with an electrically small, untuned "shielded loop&...