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PNT

December 4, 2020

Smartphones Navigate from Street to Indoors with Multi-Sensor Integration

A framework to seamlessly navigate people from urban road traffic to indoor foot traffic uses the phone’s inertial measurement unit, GNSS chipset and camera, aided by an extended Kalman filter and ORB-SLAM. Tests show the framework performing well in both phases, guiding the phone’s user, behind the wheel on a city street, to a spot in an underground parking garage and walking to a meeting inside a large building.

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By Inside GNSS
November 6, 2020

GPS III 04 Spaceborne; Rocket Returns to Earth for Re-use

The U.S. Space Force, Space and Missile Systems Center (SMC) and its mission partners successfully launched the Lockheed Martin-built fourth GPS III satellite at 6:24 p.m. Nov. 5 from Space Launch Complex 40 at Cape Canaveral Air Force Station, Florida. The satellite was carried to orbit aboard a Space Exploration Technologies Corporation (SpaceX) Falcon 9 launch vehicle.

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By Inside GNSS
October 28, 2020

Letter to Senate Says FCC Order Will Negatively Impact Industry and Government

A broad cross-industry coalition sent a strongly worded letter to the  Senate Commerce Committee warning that the Federal Communications Commission’s (FCC’s) Ligado Order that impacts GPS, if left in place, “would upend decades of sound spectrum policy, negatively impact a significant cross-section of commercial, federal, and academic users who rely on the many different L-band satellite services, and threaten the safety of most Americans.”

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By Inside GNSS