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                                   Before the

                       Federal Communications Commission

                             Washington, D.C. 20554

   In the Matter of )

   )

   Comcast of Michigan IV, LLC ) File No.: EB-11-DT-0303

   Physical System ID # 00758 )

   Harsens Island, MI ) NOV No.: V201232360003

   )

                              Notice of Violation

                                                 Released:  November 21, 2011

   By the District Director, Detroit Office, Northeast Region, Enforcement
   Bureau:

    1. This is a Notice of Violation ("Notice") issued pursuant to section
       1.89 of the Commission's Rules to Comcast of Michigan IV LLC
       ("Comcast"), operator of a cable system in Harsens Island, Michigan.

    2. On November 8, 2011, an agent of the Enforcement Bureau's Detroit
       Office inspected Comcast's cable television system located in Harsens
       Island, Michigan and observed the following violation:

   47 C.F.R. S: 76.605(a)(12) of the Rules requires that cable operators
   maintain their cable system signal leakage below 20 microvolts per meter
   (uV/m) measured at 3 meters when operating in the frequency band between
   54 MHz and 216 MHz. See 47 C.F.R. S: 76.605(a)(12). The agent measured
   signal leakage in excess of 20 uV/m on 121.2625 MHz at the following
   location:


                 Frequency   Field Intensity                                 
       Date                                              Location            
                   (MHz)         (uV/m)                                      

                                                Near pole # along driveway   
     11/8/2011   121.2625         86.9          leading to 8800/8817 South   
                                                  Channel Drive, Harsens     
                                                        Island, MI           


    3. Pursuant to section 403 of the Communications Act of 1934, as amended,
       and section 1.89 of the Commission's Rules, Comcast must submit a
       written statement concerning this matter within 20 days of release of
       this Notice. The response must fully explain each violation, must
       contain a statement of the specific action(s) taken to correct each
       violation and preclude recurrence, and should include a time line for
       completion of pending corrective action. The response must be complete
       in itself and signed by a principal or officer of Comcast. All replies
       and documentation sent in response to this Notice should be marked
       with the File No. and NOV No. specified above, and mailed to the
       following address:

   Federal Communications Commission

   Detroit District Office

   24897 Hathaway St.

   Farmington Hills, Michigan 48335

    4. This Notice shall be sent to Comcast of Michigan IV, LLC at its
       address of record.

    5. The Privacy Act of 1974 requires that we advise you that the
       Commission will use all relevant material information before it,
       including any information disclosed in your reply, to determine what,
       if any, enforcement action is required to ensure compliance. Any false
       statement made knowingly and willfully in reply to this Notice is
       punishable by fine or imprisonment under Title 18 of the U.S. Code.

   FEDERAL COMMUNICATIONS COMMISSION

   James A. Bridgewater

   District Director

   Detroit District Office

   Northeast Region

   Enforcement Bureau

   Cc: Comcast of Michigan IV, LLC; One Comcast Center; 1701 JFK Boulevard,
   Philadelphia, PA 19103

   47 C.F.R. S: 1.89.

   47 U.S.C. S: 403.

   P.L. 93-579, 5 U.S.C. S: 552a(e)(3).

   18 U.S.C. S: 1001 et seq.

   Federal Communications Commission

   2

                       Federal Communications Commission