Performance analysis of dual-frequency receiver using combinations of GPS L1, L5, and L2 civil signals | SpringerLink
Inter-system biases estimation in multi-GNSS relative positioning with GPS and Galileo Cecile Deprez and Rene Warnant University of Liege, Belgium - ppt video online download
Performance analysis of dual-frequency receiver using combinations of GPS L1, L5, and L2 civil signals | SpringerLink
GPS L1/L2/L5 Galileo/GLONASS Omnistar, 40 dB gain Antenna with N(F) connector. - PBX Systems, LLC