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[RFI] Odd broadcast radio reception.

To: RFI List <rfi@contesting.com>
Subject: [RFI] Odd broadcast radio reception.
From: KD7JYK DM09 <kd7jyk@earthlink.net>
Date: Sun, 27 Jun 2021 17:20:55 -0700
List-post: <mailto:rfi@contesting.com>
Here's a strange one! Giving the general description, in case anyone has experienced such an occurrence.

Typical community, typical residential neighborhood. I was talking on the phone with a gal that has lived at the same location since 1938. I lived on the same street, and played radio for about 21 years.

Beginning around the first of June, she was sitting on her porch, as she does daily, listening to a new portable AM/FM broadcast receiver a neighbor bought for her. It suddenly cut out. No reception, AM, or FM bands. No apparent interference noises, nothing trying to come through, as she described it, dead, just a slight background hiss, as if nothing was to be heard at all. Thinking her new radio had an issue, she pulled out one another neighbor had given her several years ago, another AM/FM portable broadcast receiver. Same reception issue, nothing to be heard, just a slight hiss across both the AM, and FM bands. Thinking this odd, she pulled out a THIRD radio, and older Radio Shack portable AM/FM model. Same issue! Nothing to be heard on either band, just a faint background hiss.

She did go into the house, and try a counter top AC model, about thirty feet east of the porch, and that radio did work.

She tried all three radios on the porch repeatedly, for about two weeks, and, about two weeks ago, suddenly all three began working again, AM, and FM broadcast bands, as though someone flipped a switch, with no other issues exhibited between all three portable radios, "they suddenly all started working at the same time, and they still are, a couple of weeks later."

I gave her some pointers on comparing those four radios, and the one in her vehicle to each other, as well as trying to determine the extent of the issue, location-wise, and will get in touch with her later.

I have no further details at this time. I've never experienced such a thing. Any speculation?

Kurt

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