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            <transactionDate>
                <value>2004-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F11"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18560</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F11"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27840</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14828</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F12"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>346</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F13"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F14"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19684</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>500.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F15"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F16"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1968400</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F14"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>316</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>500.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F15"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F16"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>31600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F14"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19330</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>500.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F15"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F16"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1933000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F14"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>206</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>500.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F15"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F16"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F14"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>464</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>500.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F15"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F16"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>46400</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Note</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the number of shares of Common Stock issued to such Reporting Person upon conversion of the Series B Preferred Stock held by such Reporting Person.  The conversion price for the Series B Preferred Stock was approximately $5.00 per share.</footnote>
        <footnote id="F2">Represents shares directly owned by Oak Investment Partners X, Limited Partnership (&quot;Oak X, L.P.&quot;).</footnote>
        <footnote id="F3">Represents shares directly owned by Oak X Affiliates Fund, Limited Partnership (&quot;Oak X Affiliates, L.P.&quot;).</footnote>
        <footnote id="F4">Represents shares directly owned by Oak Investment Partners IX, Limited Partnership (&quot;Oak IX, L.P.&quot;).</footnote>
        <footnote id="F5">Represents shares directly owned by Oak IX Affiliates Fund, Limited Partnership (&quot;Oak IX Affiliates, L.P.&quot;).</footnote>
        <footnote id="F6">Represents shares directly owned by Oak IX Affiliates Fund-A, Limited Partnership (&quot;Oak IX Affiliates-A, L.P.&quot;).</footnote>
        <footnote id="F7">On March 8, 2004, Oak X, L.P. made an in-kind distribution, without any additional consideration, of Common Shares to the limited partners of Oak X, L.P.</footnote>
        <footnote id="F8">On March 8, 2004, Oak  X Affiliates, L.P. made an in-kind distribution, without any additional consideration, of Common Shares to the general and limited partners of Oak X Affiliates, L.P.</footnote>
        <footnote id="F9">On March 8, 2004, Oak IX, L.P. made an in-kind distribution, without any additional consideration, of Common Shares to the limited partners of Oak IX, L.P.</footnote>
        <footnote id="F10">On March 8, 2004, Oak IX Affiliates, L.P. made an in-kind distribution, without any additional consideration, of Common Shares to the general and limited partners of Oak IX Affiliates, L.P.</footnote>
        <footnote id="F11">On March 8, 2004, Oak IX Affiliates-A, L.P. made an in-kind distribution, without any additional consideration, of Common Shares to the general and limited partners of Oak IX Affiliates-A, L.P.</footnote>
        <footnote id="F12">Represents shares directly owned by Oak Investment Partners VI, Limited Partnership (&quot;Oak VI, L.P.&quot;).</footnote>
        <footnote id="F13">Represents shares directly owned by Oak VI Affiliates Fund, Limited Partnership (&quot;Oak VI Affiliates, L.P.&quot;).</footnote>
        <footnote id="F14">The conversion price was approximately $5.00 per share.</footnote>
        <footnote id="F15">The preferred securities are immediately convertible.</footnote>
        <footnote id="F16">The conversion feature continues indefinitely.</footnote>
    </footnotes>

    <remarks>Remarks

Bandel L. Carano is a Director of Wireless Facilities, Inc.  Mr. Carano is a Managing Member of Oak Associates VI, L.L.C., the General Partner of Oak VI, L.P.; a Managing Member of Oak VI Affiliates, L.L.C., the General Partner of Oak VI Affiliates, L.P.; a Managing Member of Oak Associates IX, L.L.C., the General Partner of Oak IX, L.P.; a Managing Member of Oak IX Affiliates, L.L.C., the General Partner of Oak IX Affiliates, L.P. and Oak IX Affiliates-A, L.P.; a Managing Member of Oak Associates X, L.L.C., the General Partner of Oak X, L.P.; and a Managing Member of Oak X Affiliates, L.L.C., the General Partner of Oak X Affiliates, L.P.

Oak VI, L.P., Oak VI Affiliates, L.P., Oak IX, L.P., Oak IX Affiliates, L.P., Oak IX Affiliates-A, L.P., Oak X, L.P. and Oak X Affiliates, L.P. are no longer subject to Section 16 because the Reporting Persons are no longer 10% owners.

Each Reporting Person disclaims the existence of a &quot;group&quot; and disclaims beneficial ownership of any securities (except to the extent of such Reporting Person's pecuniary interest in such securities) other than any securities reported herein as being directly owned by such Reporting Person, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of any such securities for purposes of Section 16 or for any other purpose.</remarks>

    <ownerSignature>
        <signatureName>Bandel L. Carano</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano, Managing Member of Oak Associates VI, L.L.C., the General Partner of Oak Investment Partners VI, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano,  Managing Member of Oak VI Affiliates, L.L.C., the General Partner of Oak VI Affiliates Fund, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano, Managing Member of Oak Associates IX, L.L.C., the General Partner of Oak Investment Partners IX, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano,  Managing Member of Oak IX Affiliates, L.L.C., the General Partner of Oak IX Affiliates Fund, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano,  Managing Member of Oak IX Affiliates, L.L.C., the General Partner of Oak IX Affiliates Fund - A, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano, Managing Member of Oak Associates X, L.L.C., the General Partner of Oak Investment Partners X, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bandel L. Carano,  Managing Member of Oak X Affiliates, L.L.C., the General Partner of Oak X Affiliates Fund, Limited Partnership</signatureName>
        <signatureDate>2004-03-10</signatureDate>
    </ownerSignature>
</ownershipDocument>

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</SUBMISSION>
