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                    CERTIFIED MAIL-RETURN RECEIPT REQUESTED

   June 11, 2013

   (Name withheld)

   (Address withheld)

   Springfield, Oregon 97477

   RE:  Radio frequency interference

   EB-FIELDNER-13-00009206

   Dear Ms. (name withheld):

   The Federal Communications Commission has received a complaint that a
   device, possibly a bad doorbell transformer, may be causing harmful radio
   interference to an operator in the Amateur Radio Service. The source of
   this interference has been traced to a property owned by (name withheld).
   More specifically, this property is located at (address withheld) Street,
   Springfield, OR 97478. This interference has been reported by a licensed
   operator in the Amateur Radio Service. The complainant is:

   (Name withheld)

   (Address withheld)

   (Address withheld)

   Tel: (Number withheld)

   The Commission has the responsibility to require that such problems be
   rectified within a reasonable time if the interference is caused by faulty
   consumer equipment. Under FCC rules, such equipment is typically
   classified as an "incidental radiator. These devices do not intentionally
   generate radio-frequency energy as part of their normal intended
   operation. They can, however, create such energy as an incidental part of
   their intended operation. Common examples are aquarium heaters, certain
   portable telephones, alarm control panels, fluorescent light ballasts,
   doorbell control circuits and so forth. Under RFF rules, however, such
   devices must not cause harmful interference to a radio service. If and
   when interference does occur, the burden falls on the device operator to
   correct it, and if necessary, cease operation of the device, whenever such
   interference occurs.  In some cases, the device can be defective resulting
   in a potential shock or fire hazard.

   To help you better understand your responsibilities under FCC rules, here
   are the most important rules relating to radio interference caused by
   incidental and unintentional radiators:

          Title 47, CFR Section 15.5 General conditions of operation.

   (b) Operation of an intentional, unintentional, or incidental radiator is
   subject to the conditions that no harmful interference is caused and that
   interference must be accepted that may be caused by the operation of an
   authorized radio station, by another intentional or unintentional
   radiator, by industrial, scientific and medical (ISM) equipment, or by an
   incidental radiator.

   (c) The operator of the radio frequency device shall be required to cease
   operating the device upon notification by a Commission representative that
   the device is causing harmful interference. Operation shall not resume
   until the condition causing the harmful interference has been corrected.

          Title 47, CFR Section 15.15 General technical requirements.

   (c) Parties responsible for equipment compliance should note that the
   limits specified in this part will not prevent harmful interference under
   all circumstances. Since the operators of Part 15 devices are required to
   cease operation should harmful interference occur to authorized users of
   the radio frequency spectrum, the parties responsible for equipment
   compliance are encouraged to employ the minimum field strength necessary
   for communications, to provide greater attenuation of unwanted emissions
   than required by these regulations, and to advise the user as to how to
   resolve harmful interference problems (for example, see Sec. 15.105(b)).

   The complainant has attempted unsuccessfully to resolve this problem and
   as a result the matter has been referred to our office. The Commission
   prefers that those responsible for the proper operation of equipment
   assume their responsibilities fairly. This means that you should resolve
   the interference caused by the device and make necessary corrections
   within a reasonable time.

   While the Commission has confidence that most people are able to resolve
   these issues voluntarily, the Commission wants to make you aware that this
   unresolved problem may be a violation of FCC rules and could result in a
   monetary forfeiture (fine) for each occurrence. At this stage, the
   Commission encourages the parties to resolve this problem without
   Commission intervention; but if necessary to facilitate resolution, the
   Commission may investigate possible rules violations and address
   appropriate remedies.

   Please advise this office and (name withheld) as to what steps you are
   taking to correct this reported interference problem. Please direct any
   correspondence to this address: 1270 Fairfield Road, Gettysburg, PA 17325.
   The Commission expects that most cases can be resolved within 30 days of
   the time they are first reported. Please feel free to call me at
   717-338-2577 if you have any questions about this matter.

   Sincerely,

   Laura L. Smith, Esq.

   Special Counsel

   Enforcement Bureau

   cc: Portland Resident Agent

   Western Regional Director