Zephr validated its concept with help from Silicon Valley research giant SRI International, which operates a lab focused on positioning, navigation, timing (PNT) and GPS, where engineers focus on ...

[Mellow_Labs] was asked to create a GPS speedometer. It seems simple, but of course, the devil is in the details. You can see the process and the result in the video below. We have to admit that he… ...

Zephr has emerged from stealth with radical plans to dramatically improve GPS -- using cell phones with zero hardware modifications. Mobile devices have abysmal GPS accuracy, which prevents ...