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Innovation

FIGURE 3. The antenna of IGS station ARHT at McMurdo Station, Antarctica. (Photo: IGS)

Innovation: The International GNSS Service

September 6, 2018

Innovation: Instantaneous centimeter-level multi-frequency precise point positioning

July 4, 2018

FIGURE 15. Observed power of the interference source (yellow) for the Tokyo dataset (Map data: Google, Zenrin/Image: authors).

Innovation: Tracking down interference with likelihood mapping

May 30, 2018

FIGURE 1. Experimental setup. Tested antennas from left to right: Tallysman TW3470, Leica AX1203+ GNSS, low-cost patch antenna (Photo: Chang Hong Information Co.)

Innovation: Low-cost single-frequency positioning in urban environments

May 9, 2018

Source: GPS World

Innovation: Indoor positioning using wearable ultra-wideband antennas

April 9, 2018

FIGURE 1. Illustration of conventional PPP measurement and error modeling in state-space Hatch filter, resulting in reduced position error in time. FIGURE 2. Conventional geodetic GPS PPP positioning performance characteristics of initial convergence period and steady state for station ALGO, Algonquin Park, Canada, on Jan. 2, 2017. (Image: Sunil Bisnath, John Aggrey, Garrett Seepersad and Maninder Gill)

Innovation: Examining precise point positioning now and in the future

March 19, 2018

FIGURE 1. An artist’s view of the QZSS satellites. The upper-most satellite is the geostationary QZS-3 spacecraft with the additional S-band dish antenna whereas the other satellites pictured are the inclined geosynchronous satellites. (Image: Mitsubishi Electric/JAXA)

Innovation: QZS-3 and QZS-4 join the Quasi-Zenith Satellite System

February 9, 2018

Courtesy of SPCOMNAV, Universitat Autònoma de Barcelona

Innovation: The continued evolution of the GNSS software-defined radio

January 18, 2018