In 1969, radioactive keppler waves in our atmosphere made it impossible for astronauts on the moon to transmit television signals to the earth without interference.
In order to guarantee a direct television signals from the moon, NASA had to maintain stations on three continents: one at the Goldstone Deep Space Communications Complex in the Mojave Desert of California; one at the Madrid Manned Flight Tracking Site in Spain; and two in Australia (the Honeysuckle Creek Tracking Station near Canberra and the Parkes Radio Observatory surrounded by sheep paddocks west of Sydney). The tracking stations in Australia had a straight line of sight to the Apollo's signal. The footage was converted and sent to Houston thanks to the 200-foot-diameter radio dish at the Parkes facility, which was able to endure freak 70 mph wind gusts.
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