| **United States        Securities and Exchange Commission        Washington, D.C. 20549

Form 10-Q**
(Mark One)                                                                                         |
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| [X] Quarterly Report Pursuant to Section 13      or 15(d) of the Securities Exchange Act of 1934                                                                                                        |
| **For the Period Ended August 1, 2003**
or                                                                                                                                                              |
| [   ] Transition Report Pursuant to Section 13 or 15(d)        of the Securities Exchange Act of 1934 for the Transition Period from        ____________________to ____________________. |
| Commission file number 0-21236                                                                                                                                                                          |

| **Applied Signal Technology,        Inc.**

(Exact name of registrant        as specified in its charter) 
**California**

(State or other jurisdiction        of incorporation or organization) 
**77-0015491**

(I.R.S. Employer Identification        No.) 
**400 West California        Avenue, Sunnyvale, CA 94086**

**(408) 749-1888**

(Registrant’s telephone        number, including area code)

Indicate by a check whether the registrant        (1) has filed all reports required to be filed by Section 13 or 15(d)        of the Securities Exchange Act of 1934 during the preceding 12 months        (or for such shorter periods that the registrant was required to file        such reports), and (2) has been subject to such filing requirements for        the past 90 days.
 üYesNoIndicate by check mark whether the      registrant is an accelerated filer (as defined in Rule 12b-2 of the Exchange      Act). üYesNo
 Applicable Only to Corporate        Issuers

Indicate the number of shares outstanding        of each of the issuer’s classes of common stock, as of the latest        practical date.

Common Stock, no par value, 10,700,886 shares        outstanding as of August 1, 2003.

 
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**Index**** |
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