VOR navigation is very much still a thing. They've been reducing the number of redundant ground stations lately as part of a project called "Minimum Operationa

VOR navigation is very much still a thing. They've been reducing the number of redundant ground stations lately as part of a project called "Minimum Operational Network", or "MON". (Mostly on affecting the east coast.) But they're explicitly making sure there's enough coverage that you can get a VOR signal anywhere above 5,000 feet AGL. More info: https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/transition_programs/vormon/ https://www.faa.gov/about/office_org/headquarters_offices/at...