FEDERAL COMMUNICATIONS COMMISSION
445 12th STREET, SW
WASHINGTON, DC 20554
MEDIA BUREAU
AUDIO DIVISION
APPLICATION STATUS: (202)418-2730
HOME PAGE: www.fcc.gov/rnedialradio/audio-division

PROCESSING ENGINEER: Priscilla M. Lee
TELEPHONE: (202) 418-2957
MAIL STOP: 1800B3-PML
INTERNET ADDRESS: Priscilla.Lee @ fcc.gov

March 29, 2019

Gregory L. Masters, Esq.
Wiley Rein LLP
1776 K Street, NW
Washington, DC 20006
Re:

WIRK-FM, Indiantown, FL
Facility Identification No. 1246
Alpha Media Licensee LLC
File No. 2O181IO2ABH

Request for Increased Digital Power
Hybrid IBOC Digital Operation
Dear Counsel:
This is in reference to the request filed November 2,2018,011 behalf of Alpha Media Licensee LLC
(AML), licensee of FM broadcast station WIRK-FM, Indiantown, FL.1 AML requests authority to operate
WIRK-FM with increased digital ERP of-il dBc,2 pursuant to the Media Bureau’s Order adopted January 27,
2010, in MM Docket No. 99-325.
Our review indicates that the notification requirements of the Order have been satisfied, and that the
proposed operation complies with the contour non-overlap and other technical requirements of the Order.
Accordingly, the request IS HEREBY GRANTED. WIRK-FM may operate with increased digital ERP
and transmitter power output (TPO), as follows:
Analog ERP:
Digital ERP:

90 kW (H&V)4
7.1 kW (H&V)5

file No. BMLH-20120529ADM. WIRK-FM is licensed for analog operation on Channel 276C1 (103.1 megahertz) with 90
kilowatts (kW) effective radiated power (ERP) and 297 meters antenna radiation center height above average terrain (HAAT)
using a nondirectional antenna.
2

Decibels relative to analog carrier.

Digital Audio Broadcasting Systems And Their Impact on the Terrestrial Radio Broadcast Service, Order,
25 FCC Rcd 1182 (MB 2010) (Order).

All ERP and TPO values rounded in accordance with 47 C.F.R.

§ 73.2 12(a).

Licensee specified use of MPI service mode and symmetric digital sideband power levels. Using the total digital sideband
ERP values set forth in NRSC guideline “NRSC-G202-A, FM IBOC Total Digital Sideband Power for Various
Configurations” (NRSC-G202-2) (April 2016) for MP1 service mode with symmetric digital sideband power levels, the
maximum permissible total digital sideband ERP for WIRK-FM is 7.1 kW. The licensee must adjust the station’s total
digital sideband ERP in accordance with NRSC-G202-A if operating using a service mode other than MP1, i.e., MP2, MP3
or MPI I and symmetric digital sideband power levels.

Analog TPO:
Digital TPO:
Combined TPO:

28 kW
2.2 kW
30.2 kW

AML must use whatever means are necessary to protect workers and the public from exposure to radio
frequency radiation in excess of the Commission’s exposure guidelines; See Section 1.1310 of the Commission’s
Rules.6 It may be necessary to reduce the power of the digital signal or cease hybrid operation if interference
complaints are received, This authority may be modified or cancelled by the Commission without notice or right
to hearing. This authority attaches to, and runs concurrently with, the main station license. AML must post a
copy of this authority with the station license.
Sincerely,

Rodolfo F. Bonacci
Assistant Division Chief
Audio Division
Media Bureau
cc: Alpha Media Licensee LLC

647

C.F.R. § 1.1310.