Geography · Geoinformatics
What is the main cause of GPS signal delay as it travels through the Earth's atmosphere?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Sunspot activity
- 2Weak satellite signals
- 3Earth's rotation
- 4Refraction in the ionosphere and troposphere✓
Correct answer
Refraction in the ionosphere and troposphere
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