> These units must perform a bit of magic, combining multiple RF signals relatively near each other on the FM band, into one roughly 300,000 kW FM signal at the

> These units must perform a bit of magic, combining multiple RF signals relatively near each other on the FM band, into one roughly 300,000 kW FM signal at the end, output in a 9" coax line that gets switched into a tuned 8-bay antenna 1115 ft (340 m) above the earth. 300 thousand kilowatts? (300 MW?) No wonder they need such massive cooling.