3 ms·
GPS depends on widely separated (several times the diameter of Earth) clocks agreeing with each other down to the nanosecond.
by wat10000 2y ago
GPS depends on widely separated (several times the diameter of Earth) clocks agreeing with each other down to the nanosecond.
- withinboredom 2y agoand moving at such high speeds that relativity factors into the equations.
- wat10000 2y agoSpeeds and altitude both! I believe time dilation from gravity is more significant but both are big enough to need compensation.