Study reveals the Great Pyramid of Giza can focus electromagnetic energy
https://www.eurekalert.org/pub_releases/2018-07/iu-srt073018.php
https://dx.doi.org/10.1063/1.5026556
I'm fluent in morse code and I don't hear it. If you extract what you think is the morse code and post it here I'll listen to it. But there is nothing there.