A GNS430 has a VOR tuner in it. Independent of the GPS section. I had a GNS 430 and it had a faulty tuner. I had to upgrade to WAAS to get it fixed. Cost me a fortune.If it's installed in a GA plane, part of the PPL exam is to show an understanding of how it works by using it. Apart from that, the GNS 430 and similar can slave the course deviation indicator using any GPS waypoint as if the waypoint was a VOR station
That would be a bad move, based on the fact we have Solar Cycle 25 peaking in 5 years time and increasing solar flares over that time. To phase out traditional Nav-aids in the future might compromise our navigation safety IF GPS is affected?If everyone used GPS, would AirServices be justified in decommissioning radio-navigation aids?
If it happened, the only twitters you'd know about would be from the little birdies. Can you imagine the psychological conditions of the Millenials?Coronal Mass Ejection (CME) could disrupt all electronic communications on earth. If this was to happen almost all of our electrical systems, electronic gadgets, and all our global communications systems would fail.