LORAN was great for being in the right part of the ocean, but being up to 1/4 mile off when navigating land is unacceptable as a replacement for GPS.

WWV isn't a precision timing source, and is only sporadically available depending on a number of factors.

The best option would be something like a sub carrier on DTV and FM broadcasting, along with a beacon at all cell sites.

Auctions of the airwaves are a hidden tax, and should end.