Wikipedia
WSRW-FM
WSRW-FM (105.7 FM, "Star 105.7"), Grand Rapids, Michigan, is a Hot Adult Contemporary music formatted radio station on the frequency of 105.7 FM. It is heard as far east as Fowlerville, Michigan, and as far north as Big Rapids, Michigan. The station can also be heard as far south as Lagrange, Indiana
WSRW-FM is a Class B "grandfathered superpower" station. The maximum ERP that would be granted today, using the same antenna height of 247 meters, would be 19,000 Watts.
The smooth jazz format available on HD2 is also available online at: http://www.iheart.com/live/smooth-jazz-4242/