> Hard to justify the utility of the WWVB station with the coexistence of 4 going on 5 independent GPS systems. All those GNSS systems use the same frequencies

> Hard to justify the utility of the WWVB station with the coexistence of 4 going on 5 independent GPS systems. All those GNSS systems use the same frequencies that can easily be jammed: * https://gssc.esa.int/navipedia/index.php/GNSS_signal https://gssc.esa.int/navipedia/index.php/GNSS_signal Even the US government themselves recognizes the importance of resiliency: * https://insidegnss.com/dot-report-on-backup-pnt-technologies-finds-nextnav-performs-best-calls-for-synthesis-and-synergy/ https://insidegnss.com/dot-report-on-backup-pnt-technologies... * https://www.transportation.gov/briefing-room/us-dot-releases-complementary-positioning-navigation-and-timing-pnt-and-gps-backup https://www.transportation.gov/briefing-room/us-dot-releases...