Satelite link - Arecibo Radio Telescope built in the late 60's is the largest single dish installation in the world for radio astronomy. "The main collecting dish is 305 m (1,000 ft) in diameter, constructed inside the depression left by a karst sinkhole. It contains the largest curved focusing dish on Earth, giving Arecibo the largest electromagnetic-wave-gathering capacity. The dish surface is made of 38,778 perforated aluminum panels, each measuring about 3 by 6 feet (1 by 2 m), supported by a mesh of steel cables. Use to discover exo-planets, study stars, mapping of meteors and aster, comets and life in other planets. Location for many blockbuster movies that include Species and James Bond 007.