Errata "All reference to Patent No. 5,361,257 to Lars-Goran Petersen of Sweden for CONTROLLED ACCESS ATM SWITCH appearing in the Official Gazette of November 1, 1994 should be deleted since no patent was granted." Errata "All reference to Patent No. D. 354,448 to Martin F. Jue of Mississippi for ANTENNA PERFORMANCE ANALYZER appearing in the Official Gazette of January 17, 1995 should be deleted since no patent was granted."