WSDF
| Broadcast area | Louisville Metro Area / Kentuckiana |
|---|---|
| Frequency | 100.5 MHz (HD Radio) |
| Branding | 100.5 FM |
| Programming | |
| Format | Adult hits |
| Subchannels | HD2: K-Love HD3: Air1 |
| Affiliations | Premiere Networks |
| Ownership | |
| Owner |
|
| WTFX-FM, WQMF, WAMZ, WNRW, WKRD, WHAS, WKJK | |
| History | |
First air date | 1993 (as WTFX) |
Former call signs | WTFX (1991–2002) WTFX-FM (2002–2005) WLUE (2005–2009) WLGX (2009–2020) |
Call sign meaning | SDF is the ICAO code for Louisville Muhammad Ali International Airport |
| Technical information | |
Licensing authority | FCC |
| Facility ID | 53593 |
| Class | C2 |
| ERP | 37,000 watts |
| HAAT | 169 meters (554 ft) |
Transmitter coordinates | 38°11′32.00″N 85°31′17.00″W / 38.1922222°N 85.5213889°W |
| Translator(s) | HD2: 95.1 W236AN (Louisville) HD3: 97.9 W250BD (Louisville) |
| Links | |
Public license information | |
| Webcast | Listen Live |
| Website | 1005louisville.iheart.com |
WSDF (100.5 FM) is a radio station broadcasting an adult hits format under the branding "100.5 FM". Licensed to Louisville, Kentucky, United States, the station serves the Louisville area. The station is owned by iHeartMedia and features programming from iHeart subsidiary Premiere Networks. The station is also broadcast on HD radio. The station's studios are located in the Louisville enclave of Watterson Park and the transmitter site is in east Louisville, southwest of the I-64/I-265 interchange.