During the Apollo 11 moon landing on July 20, 1969, the Saturn V rocket's guidance computer triggered a 1202 program alarm approximately 40 seconds before touchdown, caused by the rendezvous radar switch flooding the system with unexpected data, yet the mission successfully landed due to the computer's ability to prioritize critical tasks within its limited 4KB memory.
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During the Apollo 11 landing on July 20, 1969, the guidance computer triggered a 1202 progra #ShortsAdded:
During the Apollo 11 landing on the 20th of July 1969, the guidance computer triggered a 1202 program alarm 40 seconds before touchdown.
When the rendezvous radar switch flooded the system with unexpected data. At 4:15 local time on the 16th of July 1969, technicians began pumping liquid oxygen, RP-1 kerosene, and liquid hydrogen into the Saturn V's three stages. A process that required 1,448 metric tons of locks alone and took roughly 9 hours to complete.
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