Blog Editor’s Note: We think you will enjoy this fun, five minute video that is surprisingly thorough. The next time someone asks you the question, or you need to give a presentation, show them this. It gives a great overview, and points out how Einstein’s calculations for general AND special relativity are needed to make things work.

And the answer to “How does it work?” – Pretty darn well, thank you!

Click image or here to play.

Brad P

FREE GPS Presentation Download

“The Father of GPS,” Dr. Brad Parkinson recently gave a presentation on the three most important things that must be done to protect GPS.

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