WZSR
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| Broadcast area | Northwest Suburban Chicago |
|---|---|
| Frequency | 105.5 MHz |
| Branding | Star 105.5 |
| Programming | |
| Format | Hot adult contemporary |
| Affiliations | Westwood One |
| Ownership | |
| Owner |
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| History | |
First air date | April 1, 1968 (as WSTK) |
Former call signs |
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Call sign meaning | "Star" |
| Technical information | |
Licensing authority | FCC |
| Facility ID | 53505 |
| Class | A |
| ERP | 1,600 watts |
| HAAT | 173 meters (568 ft) |
Transmitter coordinates | 42°15′34.1″N 88°21′45.3″W / 42.259472°N 88.362583°W |
| Links | |
Public license information | |
| Webcast | Listen live |
| Website | www |
WZSR (105.5 FM, "Star 105.5") is a radio station broadcasting a hot adult contemporary format. Licensed to Woodstock, Illinois, United States, it serves Chicago's northwest suburbs. The station is owned by Connoisseur Media. WZSR's studios are located behind McHenry County College in Crystal Lake.