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City of license Allentown, Pennsylvania
Broadcast area Lehigh Valley, Pennsylvania
Branding WDIY-FM
Slogan "Where Definitely It's You"
Frequency 88.1 MHz
Translator(s) W229AO 93.7 FM
W230AG 93.9 FM
First air date January 8, 1995
Format Community/public radio
Language(s) English
ERP 100 watts
HAAT 257 meters
Class A
Facility ID 36992
Transmitter coordinates 40°33′54.00″N 75°26′26.00″W / 40.5650000°N 75.4405556°W / 40.5650000; -75.4405556
Callsign meaning Do It Yourself
Affiliations National Public Radio
Owner Lehigh Valley Community Broadcasters Association, Inc.
Webcast Listen Live
Website wdiy.org

WDIY (88.1 FM) is a community public radio station licensed to Allentown, Pennsylvania, with studios in Bethlehem. The station serves the Lehigh Valley region of eastern Pennsylvania and western Warren County in New Jersey.

WDIY has an air staff of 70 volunteers and a paid management staff. It has been broadcasting since January 8, 1995. The station is licensed to Lehigh Valley Community Broadcasters Association, Inc., a nonprofit organization. The station's mission "is to engage the Lehigh Valley community through a wide-ranging exchange of music, arts, news and culturally diverse information."

While WHYY-FM in Philadelphia puts a grade B signal into Allentown and WVIA-FM in Scranton has long operated translators in Allentown and Bethlehem, the Lehigh Valley lacked an NPR station that specifically served it until WDIY's arrival.


WDIY's program schedule includes NPR's Morning Edition, Fresh Air with Terry Gross and All Things Considered weekdays, with classical music and adult album alternative programs between the news shows. Weeknights and weekends, the station features a variety of music, including folk music, blues, electronic music, jazz, world music, alternative rock, classical music, avant-garde music and Indian music, as well as NPR's Weekend Edition and Ask Me Another.


WDIY's main frequency at 88.1 FM broadcasts at 100 watts, which is very modest for a full NPR member. Even with its 843-foot tower, its signal is marginal at best outside Northampton County, home to Allentown and Bethlehem. Easton, the third-largest city in the area, only gets a grade B signal. To solve this problem, WDIY maintains two translator frequencies: 93.7 in Trexlertown and Fogelsville and 93.9 in Easton and Phillipsburg, New Jersey.

Call sign Frequency
City of license ERP
Class FCC info
W229AO 93.7 FM Fogelsville, Pennsylvania 80 D FCC
W230AG 93.9 FM Easton, Pennsylvania 7 D FCC

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