The Big 1070
Madison's Sports Station


The Big 1070 is a radio station licensed to Madison, WI. The station broadcasts Sports format and is owned by iHeartMedia.
- Call sign: WTSO
- Format: Sports
- Frequency: 1070 AM
- City of license: Madison, WI
- Owner: iHeartMedia
- Branding: The Big 1070
- First air date: January 19, 1948
Contact The Big 1070
- Address: 2651 S Fish Hatchery Rd Madison, WI 53711
- Phone: 608.274.5450 / 608.321.1070
- Website: thebig1070.iheart.com