February 9, 2018 Innovation: QZS-3 and QZS-4 join the Quasi-Zenith Satellite System By Peter Steigenberger, Steffen Thoelert, André Hauschild, Oliver Montenbruck, and Richard B. Langley
February 8, 2018 Expert Opinions: Challenges faced by multi-constellation GNSS receiver designers By GPS World Staff
February 7, 2018 Antenna pattern uniformity effects on pseudorange tracking error By Stefano Caizzone, Mihaela-Simona Circiu, Wahid Elmarissi, Christoph Enneking, Michael Felux, and Kazeem A. Yinusa
