Do you hear this sound on shortwave radio?

Question

Sound is here https://is.gd/iGehfx

Answer 1

https://is.gd/iGehfx

Comments

Downloaded the link but it won’t play.

Do you have a frequency?

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near 4 MHz.

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Thanks

Answer 2

Hi Kninjanin, I also could not seem to figure this out...could be just me, though, because I am not very technically skilled.

Comments

I do not know what those sounds are. Some listeners think that sounds are transmitted by spies.