Ah, St. Rumble the patron saint of fighting; and other famous Sec 20 RPs like Breekon and Woddeley; not to forget Louis.
From memory back in the 1960s and 70's as VORs replaced NDBs they were indeed often quite a few miles apart yet retained the same identity: with todays systems, even if the realignment is only a few clicks a new identifier is almost always given