Having been using radio equipment since the early 1980s, I am familiar with what jamming signals sound like. This same oscillating sound is heard in the shortwave portion of the radio spectrum as well. But 540khz? This is the bottom end of the AM Broadcast band, I’ve never heard a Medium Wave station being jammed in all my years in radio. Weird! I’ve tried to post relevant links about jamming, but there are no difinitive sources, sorry. No matter, nobody visits the blog much anyway! 😂
15 thoughts on “Signal Jamming on 540khz?”
ok, actually I don’t understand much about radio, etc. But what means this? I mean “to be strange”… It is interesting for me too. Thank you dear John, Love, nia
AM Radio is 530 to 1710khz here. It’s complicated tech stuff I guess, sorry Nia.
That’s ok. Thank you, you are so nice.
I hope your well, Nia! 😊
Here are all the commercial 540AM stations in the U.S. — I’m looking for pattern…
KDFT, Ferris, Texas
KMLB, Monroe, Louisiana
KNMX, Las Vegas, New Mexico
KRXA, Carmel Valley, California
KVIP, Redding, California
KWMT, Fort Dodge, Iowa
KYAH, Delta, Utah
WASG, Daphne, Alabama
WAUK, Jackson, Wisconsin
WBWD, Islip, New York
WDAK, Columbus, Georgia
WETC, Wendell-Zebulon, North Carolina
WFLF, Pine Hills, Florida
WGOP, Pocomoke City, Maryland
WGTH, Richlands, Virginia
WKFN, Clarksville, Tennessee
WRGC, Sylva, North Carolina
WWCS, Canonsburg, Pennsylvania
WXYG, Sauk Rapids, Minnesota
WYNN, Florence, South Carolina
Thank you for this list, Tom, I’m thinking the most likely stations I can hear are on the west coast of course, but those in Iowa, Minnesota, and Utah at night. Those stations won’t radiate a sound like the one in the video unless there was something very wrong I am guessing. If this is a jamming station, they would be clandestine transmitters which begs the question – why?
I know. I’m still looking for that one strangeness in any pattern I might see. This is so interesting to me…
Yes, very odd. In my 40 years of radio monitoring and transmissions I’ve never heard this on Medium Wave. Happy New Year, Tom. 😎🍻
You too, John. A very happy New Year.
So someone/something is jamming a commercial AM station?
So someone/something is deliberately jamming a commercial radio station? Sounds ominous.
This is the same sound I’ve heard on other frequencies so I am assuming this is a jamming signal. But why? I think our AM Radio stations (medium wave) are rather uninteresting. Try tuning 540khz after dark tonight, you may hear it too depending on several factors.
This is one of so many reasons I have loved radio in general since the days just after graduating HS. High Skrewl! 😂
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