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GPS satellites carry atomic clocks that provide extremely accurate time. The time information is placed in the codes broadcast by the satellite so that a receiver can continuously determine the time the signal was broadcast.
Thread: Magnetic bases - how do they work? Magnetic bases - how do they work? Relatively new to forums but from what I can gather there are a lot of knowledgeable people out there who may have the answer to my question! I have a switch-able magnetic base for a dial indicator (iv seen them with a push button too) and I'm curious as to how they actually work??