In fact, the United States is speeding up the upgrade of existing GPS satellites, prior to SpaceX's successful launch of a GPS III-3 satellite. Although the third generation navigation system has not yet been put into operation, only the third generation is still in operation.
At present, there are only three GPS III satellites in earth orbit, but one of them is in operation. According to the plan, after the new system is put into full operation, the positioning accuracy will be improved by three times.
Foreign media reported that the United States is speeding up the launch of GPS III satellite, and Lockheed alone
According to the report,Current GPS technology can reduce positioning accuracy to 28 inches (about 0.7 meters), but GPS III can be further reduced to less than 9 inches (about 0.2 meters).
It is reported that the service life of these satellites is about 15 years, and then we may usher in more accurate global positioning alternatives.
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