Until now, however, the minimum number of GPS satellites needed to determine the exact position of a mobile phone or other navigation device has remained a matter of conjecture.

After years of delays, only one GPS III satellite has launched so far. To complete the “A block” of the constellation, nine more are scheduled to launch by 2023. hide ...

A GPS III satellite stands tall at Lockheed Martin's Littleton, Colorado, facility, in May 2018, ... There have been a number of false starts down that road over the years.

Designed in the 1970’s, the computer systems on the GPS satellites represent weeks using a 10-bit number. This has a maximum value of 1024. After 1024 weeks have passed, or 19.7 years, the ...

GPS IIIF Satellite. ... In 2000, the Air Force modified the contract to increase satellite capabilities and reduce the number of SV's delivered to twelve. On May 27, 2010, ...

Here, UNSW academics Professor Andrew Dempster and Dr. Craig Roberts give a sneak peek what people can expect from GPS over the next 50 years.

Leveraging GPS satellites could be the key to ensuring mobile antennas remain effectively aligned, according to Vodafone’s ...

The satellite will further experiment with on-orbit re-programable capability, essentially allowing NTS-3 to broadcast GPS signals in different, frequently changing waveform guises like a software ...

That being said, the number is growing very quickly. In the past, launching something into space once a month was considered ...

Tuning into a GPS satellite is nothing new. Your phone and your car probably do that multiple times a day. But [dereksgc] has been listening to GPS voice traffic. The traffic originates from COSPAS… ...

We tested affordable and high-end watches to see which located satellites quickest, ... Considering this history, I wondered if a higher model number correlated with getting a quicker GPS signal.

Thanks to the atomic clock, satellites send very accurate times, but the big issue lies with the accuracy of the clock in the user's device—whether it's a GPS navigation device, a smartphone, or ...