Research & Development

FIGURE 1. A cycle slip affecting phase measurements but not the pseudoranges.

January 1, 2014

Innovation: Cycle Slips

By Richard B. Langley

November 1, 2013

Innovation: Hunting for GNSS Echoes

By Richard B. Langley

October 1, 2013

Innovation: Getting Closer to Everywhere

By Richard B. Langley

September 1, 2013

Innovation: Under Cover

By Richard B. Langley

By Oliver Montenbruck, Chris Rizos, Robert Weber, Georg Weber, Ruth Neilan, and Urs Hugentobler

July 1, 2013

Innovation: Getting a Grip on Multi-GNSS

By Richard B. Langley

Photo: Mark L. Psiaki with Steven P. Powell and Brady W. O’Hanlon

June 1, 2013

Innovation: GNSS Spoofing Detection

By Richard B. Langley

By Mathieu Raimondi, Eric Sénant, Charles Fernet, Raphaël Pons, Hanaa Al Bitar, Francisco Amarillo Fernández, and Marc Weyer

May 1, 2013

Innovation: Evil Waveforms

By Richard B. Langley

FIGURE 1. Systems engineering V-process supported by an model-based systems engineering with model repository (courtesy of the INCOSE Survey).

April 1, 2013

Innovation: Interfacing Clearly

By Richard B. Langley

By Simon Banville, Wei Zhang, and Richard B. Langley

March 1, 2013

Innovation: A Better Way

By Richard B. Langley

Figure 4. Patterns of antenna arrays (left: Y array; right: square array).

February 1, 2013

Innovation: Getting Control

By Richard B. Langley

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