Sitting in the car waiting for the family made me think... what type of wireless signal was sent to the early satellites, etc. to send commands, fix issues and potentially upgrade the firmware ...just a thought.
"The aperture of the antennas was 3,600 square feet (330 m2). The antennas were 177 feet (54 m) long and weighed 380 tons. The antennas were housed in radomes the size of a 14-story office building."
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