November 8, 2016 Expert Opinions: Testing and simulating against GNSS jamming, spoofing By GPS World Staff
![Figure 2.2: Normalized autocorrelation functions for different modulations: BPSK of GPS L1,BOC of Galileo E1 with simplified demodulation4, CBOC of Galileo E1 and AltBOC of Galileo E5signals5. Source: [Silva et al., 2012]](https://redesign.gpsworld.com/wp-content/uploads/2016/10/DesprezFig1.jpg)
