X0202 3/A 2006-01-17 2005-07-12 0 0000741696 APPLIED SIGNAL TECHNOLOGY INC APSG 0001332821 Pesaturo John F 400 W. CALIFORNIA AVE SUNNYVALE CA 94086 0 1 0 0 Vice President Marine Systems Common Stock 0 D On July 12, 2005, the reporting person mistakenly filed a Form 3 reporting a purchase of 12,000 shares of common stock that in fact were stock options that were granted to him. As of July 12, 2005, the reporting person did not own any shares of common stock. The Derivatives reported on the initial Form 3 are accurate. John F. Pesaturo 2006-01-07