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                                   Before the

                       Federal Communications Commission

                             Washington, D.C. 20554

   In the Matter of )

   )

   Comcast of Colorado IV LLC ) File No. EB-10-DV-0044

   Cable System Operator )

   Physical System ID# 001603 ) NOV No. V201032800022

   Carbondale, Colorado )

   )

                              NOTICE OF VIOLATION

   Released: April 21, 2010

   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, to Comcast of Colorado IV, LLC
       ("Comcast"), operator of a cable system in Carbondale, Colorado.

    2. On March 31, 2010, an agent of the Enforcement Bureau's Denver Office
       inspected Comcast's cable system located at Carbondale, Colorado, 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 S: 76.609(h)
        and shall be limited as follows: Over 54 MHz up to and including 216
        MHz - 20 micro-volts per meter, measured at 3 meters." At the time of
        the inspection, an agent observed signal leakage on the frequency of
        121.2625 MHz at the following location:

   Corner of Village Road and Wheel Drive 91 uV/m

     b. 47 C.F.R. S: 76.612(a)(1): "All cable television systems which
        operate in the frequency bands 108-137 and 225-400 MHz shall comply
        with the following frequency separation standards: All such cable
        carriers or signal components shall be offset by 12.5 kHz with a
        frequency tolerance of +/- 5kHz." At the time of the inspection, an
        agent observed the following channel was operating outside the
        allowable frequency tolerance:

   Channel 15 (B) Measured 127.24949 MHz, Authorized 127.2625 MHz

    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(s). The response must be
       complete in itself and signed by a principal or officer of the 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

   Denver District Office

   215 S. Wadsworth Blvd. Suite 303

   Lakewood, Colorado 80226

    4. This Notice shall be sent to Comcast of Colorado 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

   Nikki P. Shears

   District Director

   Denver District Office

   Western Region

   Enforcement Bureau

   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