<SEC-DOCUMENT>0000023197-17-000093.txt : 20171213
<SEC-HEADER>0000023197-17-000093.hdr.sgml : 20171213
<ACCEPTANCE-DATETIME>20171213180134
ACCESSION NUMBER:		0000023197-17-000093
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171211
FILED AS OF DATE:		20171213
DATE AS OF CHANGE:		20171213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KORNBERG FRED
		CENTRAL INDEX KEY:			0000904465

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-07928
		FILM NUMBER:		171254757

	MAIL ADDRESS:	
		STREET 1:		68 SOUTH SERVICE ROAD
		STREET 2:		SUITE 230
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMTECH TELECOMMUNICATIONS CORP /DE/
		CENTRAL INDEX KEY:			0000023197
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				112139466
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		68 SOUTH SERVICE ROAD
		STREET 2:		SUITE 230
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747
		BUSINESS PHONE:		6319627000

	MAIL ADDRESS:	
		STREET 1:		68 SOUTH SERVICE ROAD
		STREET 2:		SUITE 230
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMTECH INC
		DATE OF NAME CHANGE:	19870503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMTECH TELECOMMUNICATIONS CORP
		DATE OF NAME CHANGE:	19831215

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMTECH LABORATORIES INC
		DATE OF NAME CHANGE:	19780425
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-11</periodOfReport>

    <issuer>
        <issuerCik>0000023197</issuerCik>
        <issuerName>COMTECH TELECOMMUNICATIONS CORP /DE/</issuerName>
        <issuerTradingSymbol>CMTL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000904465</rptOwnerCik>
            <rptOwnerName>KORNBERG FRED</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>68 SOUTH SERVICE ROAD, SUITE 230</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MELVILLE</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11747</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman, CEO &amp; President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock par value $.10 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.65</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>475632</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares were sold by the Reporting Person for tax planning purposes.</footnote>
        <footnote id="F2">The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $20.53 to $20.70, inclusive.  The Reporting Person undertakes to provide to Comtech Telecommunications Corp., any security holder of Comtech Telecommunications Corp., or staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Fred Kornberg</signatureName>
        <signatureDate>2017-12-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
