Research & Development

FIGURE 2. Test track. The yellow ellipse marks a treed lane with signal obstructions.

October 12, 2016

Innovation: Better GNSS navigation and spoofing detection with chip-scale atomic clocks

By Thomas Krawinkel and Steffen Schön

FIGURE 3. Statistical and absolute thresholds.

September 1, 2016

Innovation: Galileo cycle-slip detection

By Laura Van De Vyvere and René Warnant, Ph.D.

Image: Julien Hautcoeur, Ronald H. Johnston and Gyles Panther

July 11, 2016

Innovation: Evolutionary and revolutionary

By Richard B. Langley

Figure 7. Total electron content in TECu across South America on Feb. 5, 2015, between 19:00 UTC and 19:15 UTC.

June 13, 2016

Innovation: There’s an app for that

By Richard B. Langley

FIGURE 12. Tightly coupled positioning trajectory for test drive in Braunschweig.

May 3, 2016

Innovation: Quo vademus

By Richard B. Langley

FIGURE 2. Inside the UAS (including the GPS antenna).

April 4, 2016

Innovation: Flying safe

By Richard B. Langley

Source: Richard Langley

March 8, 2016

Innovation: Clarifying the ambiguities

By Richard B. Langley

Source: GPS world staff

February 11, 2016

Innovation: Null-steering antennas

By GPS World Staff

FIGURE 2. SF-PPP solution displayed on a 5-centimeter accurate road infrastructure map, on Dec. 18, 2014.

January 14, 2016

Innovation: Guidance for road and track

By GPS World Staff

Figure 1. Overview of a representative eLoran system.

November 23, 2015

Innovation: Enhanced Loran

By GPS World Staff

FIGURE 2. Typical sequence of position fix process in standalone GPS user equipment (Msr=measurements).

October 8, 2015

Innovation: Faster, Higher, Stronger

By Richard B. Langley

By Ananta Vidyarthi, H. Howard Fan and Stewart DeVilbiss

September 4, 2015

Innovation: Getting There by Tuning In

By GPS World Staff

Digital Editions