Well, the Warsaw Radio Tower used to be the tallest man-made structure in the world until it collapsed due to a guy rope failure - and it had a 2 megawatt transmitter, it could be received literally anywhere in the world:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Warsaw_radio_mast" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Warsaw_radio_mast</a>