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CERTIFIED MAIL-RETURN RECEIPT REQUESTED
September 28, 2009
Mr. Paul Bowen, President
Jay C Food Stores
(address withheld)
Seymour, IN 47274
Re: EB-09-GB-0251
Dear Mr. Bowen:
The Federal Communications Commission has received a complaint that a
device traced to a Jay C Food Store may be causing harmful radio
interference to an operator in the Amateur Radio Service. The complainant
in this matter is:
(Name withheld)
(Address withheld)
Bedford, IN 47421-4636
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 Commission rules, certain types of equipment are
classified as "unintentional emitters." These devices generate radio
frequency energy but do not intentionally radiate it. Examples include
computers, radio receivers and television sets. Other types of devices are
classified as "incidental emitters." These devices do not intentionally
generate any radio-frequency energy, but that may create such energy as an
incidental part of their intended operation. Common examples include
aquarium heaters, certain portable telephones, alarm control panels,
fluorescent light ballasts, doorbell control circuits and so forth. Some
unintentional emitters are imported and do not comply with Commission
certification standards, and thereby result in interference to other radio
services. You may have one of those devices. If the device is an approved
one, it should have a silver FCC label on the unit showing a certification
number. Even an approved device, however, can only be operated legally if
it is not causing harmful interference to a licensed radio service. The
device can also be defective resulting in a shock or fire hazard.
To help you better understand your responsibilities under Commission
rules, here are the most important rules relating to radio and television
interference from incidental 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 15.13 Incidental radiators.
Manufacturers of these devices shall employ good engineering practices to
minimize the risk of harmful interference.
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.
In most cases such as this, interference sources such as this can easily
be located by turning off the main circuit breaker to the building. After
verifying with the complainant that the noise goes away, restore the main
breaker to the on position. Next, turn off the individual circuit
breakers, one at a time to identify the exact circuit. Once the circuit is
known, it is usually an easy task to locate the offending device by
unplugging or removing devices on that circuit, one at a time. In most
cases, the problem can easily be cured with relatively inexpensive and
easy to install filters.
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 Commission 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. The Commission
expects that most cases like this can be resolved within 60 days of the
time they are first reported. Please feel free to call me at 717-338-2577
or contact me in writing at: 1270 Fairfield Road, Gettysburg, PA 17325 if
you have any questions about this matter.
Sincerely,
Laura L. Smith, Esq.
Special Counsel
Enforcement Bureau
cc: Chicago Field Office
Northeast Regional Director