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Orbiting at an altitude of approximately 20,200 km (12,600 mi); orbital radius of approximately 26,600 km (16,500 mi),[75] each SV makes two complete orbits each sidereal day, repeating the same ground track each day.[76] This was very helpful during development because even with only four satellites, correct alignment means all four are visible from one spot for a few hours each day. For military operations, the ground track repeat can be used to ensure good coverage in combat zones.
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You may want to edit your statement out of the episode.
Thanks for the note, Dave. Seems we have a topic for our first corrections show 😉
I’ve been enjoying your new series.
However, an error on this episode. GPS satellites are not geosynchronous:
From: https://en.wikipedia.org/wiki/Global_Positioning_System
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Orbiting at an altitude of approximately 20,200 km (12,600 mi); orbital radius of approximately 26,600 km (16,500 mi),[75] each SV makes two complete orbits each sidereal day, repeating the same ground track each day.[76] This was very helpful during development because even with only four satellites, correct alignment means all four are visible from one spot for a few hours each day. For military operations, the ground track repeat can be used to ensure good coverage in combat zones.
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You may want to edit your statement out of the episode.
Thanks for the note, Dave. Seems we have a topic for our first corrections show 😉