Captain Samantha Carter learned of the gate address with an implanted memory from her time with the Tok'ra Jolinar of Malkshur. The world was later attacked by a Goa'uld incursion, forcing the Tok'ra who were stationed there to flee. Fortunately for them, the Tok'ra were then taken to their new base, Vorash. (SG1: "The Tok'ra, Part 1", "The Tok'ra, Part 2")