Joint Filing Agreement
Exhibit 7.1 Joint Filing Agreement The undersigned hereby agree that the Statement on Schedule 13D to which this Joint Filing Agreement is attached as Exhibit 7.1, is filed on behalf of each of us. Date: November 20, 1998 Atocha, L.P., a Texas limited partnership By: /s/ Xxxxxx X. xxxxxxx ------------------------------ Xxxxxx X. Xxxxxxx, General Partner /s/ Xxxxxx X. Xxxxxxx ---------------------------------- Xxxxxx X. Xxxxxxx