This is not correct. The primary civilian signal for both Galileo and GPS have the same frequency on L1, 1575.42 MHz. Their modulation schemes and encoding are

This is not correct. The primary civilian signal for both Galileo and GPS have the same frequency on L1, 1575.42 MHz. Their modulation schemes and encoding are coordinated to not interfere. [1] http://www.navipedia.net/index.php/GNSS_signal http://www.navipedia.net/index.php/GNSS_signal