this post was submitted on 03 Jun 2024
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If you find your having better reception indoors then outdoors then the signal your looking for is being attenuated less then the noise/interference is being attenuated by the structure your housing your antenna in.
Low power noise is less likely to bounce around and come in the building from a different angle, but AM is famous for its ability to propagate.
Consider driving a car into a parking structure with the radio on, listening to AM radio. You can hear the signal getting weaker, not stronger. Until you get to the roof. If you go into the basement, you only hear local noise