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                               ENFORCEMENT BUREAU

                                 WESTERN REGION

                               San Diego  Office

                           4542 Ruffner St, Suite 370

                              San Diego, CA 92111

                                 March 31, 2011

   Greg Griswold

   Ramona, CA

                         NOTICE OF UNLICENSED OPERATION

   Case Number: EB-11-SD-0048

   Document Number: W201132940002

   On March 7, 2011, the San Diego District Office received a complaint from
   AT&T Wireless Services ("AWS") concerning an interfering signal on the
   frequency range from 829.4 MHz to 834.4 MHz that was degrading
   communications to their cellular radio signals in the area of Ramona,
   California. AWS engineers reported that they had traced the interference
   to a bi-direction amplifier ("BDA"), installed at your residence in
   Ramona, California. In response to the interference complaint, agents from
   the San Diego Office, using mobile direction finding techniques, confirmed
   that the source of interference was emanating from that location. During
   an interview with the San Diego agent, you acknowledged the operation of
   the BDA.

   Section 22.383 of the Commission's Rules, which applies to Public Mobile
   Services licensees like AT&T Wireless, provides that "[l]icensees may
   install and operate in-building radiation systems without applying for
   authorization or notifying the FCC, provided that the locations of the
   in-building radiation systems are within the protected service area of the
   licensee's authorized transmitter(s) on the same channel or channel
   block." A licensee's authority to install a BDA does not, without further
   authorization from the licensee, permit a subscriber to install a BDA.

   AT&T Wireless has informed the Commission that it did not provide you an
   authorization to install a BDA. Furthermore, Commission records show no
   license issued for operation of a radio station at this location in the
   800 MHz band.

   Operation of radio transmitting equipment without a valid FCC
   authorization or license is a violation of Section 301 of the
   Communications Act of 1934, as amended, and may subject the responsible
   parties to substantial monetary forfeitures, in rem arrest action against
   the offending radio equipment, and criminal sanctions including
   imprisonment. Because unlicensed operation creates a danger of
   interference to important radio communications services and may subject
   the operator to severe penalties, this warning emphasizes the importance
   of complying strictly with these legal requirements.


   You have ten (10) days from the date of this notice to respond with any
   evidence that you have authority to operate granted by the FCC or have
   obtained consent from a licensed Common Carrier. To resolve the issue with
   respect to your authority to operate this device, and pursuant to Section
   403 of the Communications Act of 1934, as amended, provide an explanation
   as to what has been done to correct the interference issue and to ensure
   that it will not recur; provide the equipment authorization for the
   equipment involved, and identify the make, model and serial number of each
   piece of equipment including the antennas if applicable.

   Your response should be sent to the address in the letterhead and
   reference the listed case and document number. Under the Privacy Act of
   1974, 5 U.S.C. S: 552a(e)(3), we are informing you that the Commission's
   staff will use all relevant material information before it to determine
   what, if any, enforcement action is required to ensure your compliance
   with FCC Rules. This will include any information that you disclose in
   your reply.

   You may contact this office if you have any questions.

   James T. Lyon

   Acting District Director

   San Diego Office

   Western Region

   Enforcement Bureau


   Excerpts from the Communications Act of 1934, As Amended

   Enforcement Bureau, "Inspection Fact Sheet", March 2005

   Section 22.99 of the Commission's Rules defines "in-building radiation
   systems" as "[s]upplementary systems comprising low power transmitters,
   receivers, indoor antennas and/or leaky coaxial cable radiators, designed
   to improve service reliability inside buildings or structures located
   within the service areas of stations in the Public Mobile Services." 47
   C.F.R. S: 22.99.

   47 C.F.R. S: 22.383.

   47 U.S.C. S: 301.

   See 47 U.S.C. S:S: 401, 501, 503, 510.

   47 U.S.C. S: 403.