Summer 2026 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | WLS-FM | |
| Frequency: | 94.7 | |
| Station Name: | Chicagos Classic Hits | |
| Format: | Classic Hits | |
| Network(s): | WWO | |
| City of License: | CHICAGO | |
| County of License: | Cook | |
| Mailing Address: | 455 N City Front Plaza #1700 CHICAGO, IL 60601 |
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| Phone: | 312-245-1200 | |
| Fax: | 312-453-0335 | |
| URL Address: | www.947wls.com | |
| Broadcasts in HD: |
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| Internet Streams: |
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Summer 2026 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .