Omnidirectional antenna

An omnidirectional antenna was a piece of advanced communications technology aboard both NASA's Mariner 2 and Ranger 5 space probes when they were launched in the mid-20th century.
Schematics of the Mariner 2 and Ranger 5 spacecraft depicting the location of the omnidirectional antenna were stored in the 's library computer database. This database was accessed by the Talosians in 2254. ()
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Category:Communications technology (retconned)