this post was submitted on 20 Jun 2025
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Today I Learned (TIL)

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You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

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The original was posted on /r/todayilearned by /u/Darth_Vader_2000 on 2025-06-20 13:30:22+00:00.

Original Title: TIL that in 2016, a GPS satellite decommissioning glitch caused 15 satellites to broadcast the wrong time by 13 microseconds. The tiny error triggered thousands of system faults and alarms in telecom networks worldwide for over 12 hours.

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