At the end of "London Calling" by The Clash, what's spelled out in Morse code?

There's nothing quite like the sound of a guitar creating feedback.

No matter what you're doing or where you are, if you hear that sound you immediately feel 10 times cooler. And if you're a fan of really any kind of rock or rock-adjacent music, it's a sound you're well acquainted with.

But what if that feedback held a secret message? That's precisely the case if you listen closely to the end of 1979's "London Calling" from the all-time great band, The Clash. Can you decipher what's being said?

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