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Columbia Regional Office
9200 Farm House Lane
Columbia, Maryland 21046
(301) 725-1996
April 27, 2017
Carlo Pierre-Louis
Mattapan, Massachusetts 
Case Number:  EB-FIELDNER-16-00021767
The Enforcement Bureau’s Boston Office received a complaint of an unlicensed FM station 
operating on frequency 93.9 MHz and causing harmful interference to licensed broadcast stations 
in Boston, Massachusetts.  On April 19, 2017, an agent from the Boston Office confirmed by 
direction finding techniques that radio signals on frequency 93.9 MHz were emanating from your 
residence in Mattapan, Massachusetts.  The Commission’s records show no license issued for 
operation of a radio station on 93.9 MHz at this location in Mattapan, Massachusetts.  
Radio stations operating on many frequencies, including 93.9 MHz, must be licensed by the FCC 
pursuant to 47 U.S.C. § 301.  The only exception to this licensing requirement is for certain 
transmitters using or operating at a power level or mode of operation that complies with the 
standards established in Part 15 of the Commission’s rules, 47 CFR §§ 15.1 et seq.  The agent 
found that the station at your home was operating at a power level that exceeds the level 
permitted by Part 15.  The field strength of the signal on frequency 93.9 MHz was measured at 
69,681 microvolts per meter (µV/m) at 142 meters, which exceeded the maximum permitted 
level of 250 µV/m at 3 meters for non-licensed devices.  Therefore, this station is operating in 
violation of 47 U.S.C. § 301.
You are hereby warned that operation of radio transmitting equipment without a valid radio 
station authorization constitutes a violation of the Federal laws cited above and could subject the 
operator to severe penalties, including, but not limited to, substantial monetary fines, in rem 
arrest action against the offending radio equipment, and criminal sanctions including 
imprisonment.  (See 47 U.S.C. §§ 401, 501, 503 and 510.)  
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.  Your response should be sent to the address in the 
letterhead and reference the listed case number.  Under the Privacy Act of 1974, 5 U.S.C. § 
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.
David C. Dombrowski
Regional Director
Region One
Enforcement Bureau
Federal Communications Commission
Excerpts from the Communications Act of 1934, As Amended
Enforcement Bureau, "Inspection Fact Sheet", March 2005