The Linden Navigational Outpost is a Federation outpost facility established for navigation purposes in the year 2354, near the Typhon Expanse.
History and specifications[]
In 2368, the starship USS Enterprise-D, after emerging from a temporal causality loop with the USS Bozeman, used the outpost's nav beacon to establish which ship had traveled to the "wrong" era. (TNG novel: Ship of the Line)