3 ms·
Time is literally what GPS satellites are broadcasting.
by blhack 15y ago
Time is literally what GPS satellites are broadcasting.
- checker 15y agoYep: "Radio waves are electromagnetic energy, which means they travel at the speed of light (about 186,000 miles per second, 300,000 km per second in a vacuum). The receiver can figure out how far the signal has traveled by timing how long it took the signal to arrive." - http://electronics.howstuffworks.com/gadgets/travel/gps2.htm http://electronics.howstuffworks.com/gadgets/travel/gps2.htm