Research & Development

FIGURE 2. GRD-based image correspondence illustration as a function of 2-D relative navigation state.

July 1, 2015

Innovation: Seeing the Light

By GPS World Staff

FIGURE 10. Histogram showing carrier-phase range accuracy. (Image: Bradley D. Farnsworth, E.J. Kreinar and David W.A. Taylor)

June 8, 2015

Innovation: Carrier-Phase RF Ranging

By GPS World Staff

FIGURE 3. Goldy flight control system.

May 4, 2015

Innovation: Robustness to Faults for a UAV

By GPS World Staff

FIGURE 9. Network used for the triple-frequency PPP study.

April 3, 2015

Innovation: Carrier-Phase Ambiguity Resolution

By GPS World Staff

By Zoltan Koppanyi, Charles K. Toth and Dorota A. Grejner-Brzezinska

March 5, 2015

Innovation: Where Are We?

By GPS World Staff

graph: Eliot Wycoff, Yuting Ng, and Grace Xingxin Gao

February 1, 2015

Innovation: Python GNSS Receiver

By Richard B. Langley

By Jingbin Liu, Ruizhi Chen, Yuwei Chen, Jian Tang, and Juha Hyyppä

November 4, 2014

Innovation: A Bright Idea

By Richard B. Langley

By Yu Jiao, Yu (Jade) Morton, Steve Taylor, and Wouter Pelgrum

October 2, 2014

Innovation: Scintillating Statistics

By Richard B. Langley

September 1, 2014

Innovation: How Deep Is That White Stuff?

By Richard B. Langley

photo: SCOTT STEPHENSON, XIAOLIN MENG, TERRY MOORE, ANTHONY BAXENDALE, ANTHONY BAXENDALE and TIM EDWARDS

July 1, 2014

Innovation: Not Just a Fairy Tale

By Richard B. Langley

FIGURE 1. Global vTEC map obtained with the NeQuick electron density model for a sunspot number of 150 at 13h UT in the month of April (grid resolution 2.5 degrees × 2.5 degrees).

June 1, 2014

Innovation: The European Way

By Richard B. Langley

photo: Symmetricom

May 1, 2014

Innovation: Reducing the Jitters

By Richard B. Langley

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