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                                   Before the

                       Federal Communications Commission

                             Washington, D.C. 20554

   In the Matter of )

   )

   Comcast of Colorado IX, LLC )  File No. EB-FIELDWR-12-00005518

   Cable System Operator )

   Community Unit ID CO0142 )

   Physical System ID 002307 )  NOV No. V201332800033

   Aurora, Colorado  (Adams County) )

   )

                              NOTICE OF VIOLATION

   Released:  December  20,  2012

   By the District Director, Denver Office, Western Region, Enforcement
   Bureau:

    1. This is a Notice of Violation (Notice) issued pursuant to Section 1.89
       of the Commission's rules (Rules), to Comcast of Colorado IX, LLC
       (Comcast), operator of a cable system  in Aurora, Colorado  (Adams
       County).   Pursuant to Section 1.89(a) of the Rules, issuance of this
       Notice does not preclude the Enforcement Bureau from further action if
       warranted, including issuing a Notice of Apparent Liability for
       Forfeiture for the violations noted herein.

    2. On November 28, 2012,  in response to a complaint of interference, an
       agent of the Enforcement Bureau's Denver District Office inspected 
       Comcast's cable system  located in Aurora, Colorado,  within Adams
       County, and observed the following violations:

     a. 47 C.F.R. S: 76.605(a)(12): "As an exception to the general provision
        requiring measurements to be made at subscriber terminals, and
        without regard to the type of signals carried by the cable television
        system, signal leakage from a cable television system shall be
        measured in accordance with the procedures outlined in 76.609(h) and
        shall be limited as follows: Less than and including 54 MHz, and over
        216 MHz - 15 micro-volts per meter measured at 30 meters." At the
        time of the investigation, the agent measured signal leakage in
        excess of 15 mV/m on the frequency of 781.25 MHz at the following
        locations: 

   1) Alley in back of 1632 Yosemite Street  160 uV/m

   2) In back of American Legion Post 23 by Dayton St.& E. 25th Ave.  44 uV/m

   3) Alley in back of 2331 Elmira Street  54 uV/m

     b. 47 C.F.R. S: 76.613: "(a) Harmful interference is any emission,
        radiation or induction which ... seriously degrades, obstructs or
        repeatedly interrupts a radiocommunication service operating in
        accordance with this chapter. (b) [A multi-channel video programming
        distributor] that causes harmful interference shall promptly take
        appropriate measures to eliminate the harmful interference." At the
        time of the investigation, the agent observed signal leakage in the
        700 MHz band. The signal was characterized as a continuous,
        un-modulated carrier operating at 781.25 MHz that was causing harmful
        interference to Verizon's 700 MHz LTE (4G) broadband operations.

    3. Pursuant to Section  403 of the Communications Act of 1934, as
       amended, and Section 1.89 of the Rules, we seek additional information
       concerning the violations and any remedial actions taken.  Therefore,
       Comcast must submit a written statement concerning this matter within
       twenty (20) days of release of this Notice. The response (i) must
       fully explain each violation, including all relevant surrounding facts
       and circumstances, (ii) must contain a statement of the specific
       action(s) taken to correct each violation and preclude recurrence, and
       (iii) must include a time line for completion of any pending
       corrective action(s). The response must be complete in itself and must
       not be abbreviated by reference to other communications or answers to
       other notices.

    4. In accordance with Section 1.16 of the Rules, we direct Comcast to
       support its response to this Notice with an affidavit or declaration
       under penalty of perjury, signed and dated by an authorized officer of
       Comcast with personal knowledge of the representations provided in
       Comcast's response, verifying the truth and accuracy of the
       information therein, and confirming that all of the information
       requested by this Notice which is in the regulatee's possession,
       custody, control, or knowledge has been produced. To knowingly and
       willfully make any false statement or conceal any material fact in
       reply to this Notice is punishable by fine or imprisonment under Title
       18 of the U.S. Code.

    5. 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

   Denver District Office

   215 S. Wadsworth Blvd., Suite 303

   Lakewood, CO 80226

    6. This Notice shall be sent to Comcast of Colorado IX, LLC,  at its
       address of record.

    7. 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.

   FEDERAL COMMUNICATIONS COMMISSION

   Nikki P. Shears

   District Director

   Denver Office

   Western Region

   Enforcement Bureau

   47 C.F.R. S: 1.89.

   47 C.F.R. S: 1.89(a).

   47 U.S.C. S: 403.

   47 C.F.R. S: 1.89(c).

   Section 1.16 of the Rules provides that "[a]ny document to be filed with
   the Federal Communications Commission and which is required by any law,
   rule or other regulation of the United States to be supported, evidenced,
   established or proved by a written sworn declaration, verification,
   certificate, statement, oath or affidavit by the person making the same,
   may be supported, evidenced, established or proved by the unsworn
   declaration, certification, verification, or statement in writing of such
   person . . . . Such declaration shall be subscribed by the declarant as
   true under penalty of perjury, and dated, in substantially the following
   form . . . : `I declare (or certify, verify, or state) under penalty of
   perjury that the foregoing is true and correct. Executed on (date).
   (Signature)'." 47 C.F.R. S: 1.16.

   18 U.S.C. S: 1001 et seq. See also 47 C.F.R. S: 1.17.

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

   Federal Communications Commission

   2

                       Federal Communications Commission