FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * PORCELAIN MICHAEL   2. Issuer Name and Ticker or Trading Symbol COMTECH TELECOMMUNICATIONS CORP /DE/ [CMTL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. Vice President & CFO (Last) (First) (Middle) 68 SOUTH SERVICE ROAD, SUITE 230 3. Date of Earliest Transaction (Month/Day/Year) 07/31/2017 (Street) MELVILLE, NY 11747 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common stock par value $.10 per share 07/31/2017   M   869 A (1) 85,533 D   Common stock par value $.10 per share 07/31/2017   F   869 D $ 18 84,664 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Share Unit

(2)

07/31/2017

A(2)

24,166

(2)

(2)

Common stock par value $.10 per share

24,166

(2)

24,166

D

Share Unit

(1)

07/31/2017

M

869

(2)

(2)

Common stock par value $.10 per share

869

(1)

23,297

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PORCELAIN MICHAEL 68 SOUTH SERVICE ROAD, SUITE 230 MELVILLE, NY 11747			Sr. Vice President & CFO

Signatures

Michael D. Porcelain		08/02/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These transactions represent the net settlement of share units (see footnote #2) to withhold the reporting person's Federal Insurance Contributions Act ("FICA") tax and certain federal and state income taxes.
(2)	Share units are rights to convert solely into Comtech Telecommunications Corp. common stock on a one-for-one basis. The share units were issued in lieu of cash settlements based on the achievement of pre-established non-equity incentive goals for the fiscal year ending July 31, 2017, pursuant to the 2000 Stock Incentive Plan. These share units are fully vested, are subject to certain transfer restrictions, cannot be assigned, and will be converted into Comtech Telecommunications Corp. common stock following the one-year anniversary of the grant date which will occur on July 31, 2018.

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