I know. *sigh*
I was designing an aircraft nav system recently and was the only one on the team that knew what the LORAN database table was for. I felt real old about then.
How about “Omega”?
I wonder what the Navy now uses as a backup system? It has to be something the does not depend on satellites. Even in days of sail and before accurate clocks, captains used dead-reckoning involving the log and estimating the wind as a backup for celestial fixes and noon sun lines.