One YouTuber visited the site and found that the antenna had been missing for a very long time. Weeds and vines were growing through what remained. Speculation was about the requirement to operate this AM station before you can operate their FM station. The AM transmitter had been failing and parts were hard to find for the old equipment.
Amazing but the water computers solved analog partial differential equations for a variety of industries up into the 1980’s when digital computer became powerful enough to replace them.
It’s in Tomorrowland based on the documentary by the same title.