sentences:  WSAE 106.9 "Home FM" in Spring Arbor, Michigan tends to overpower the frequency across south-west lower Michigan.Since switching from stereo to monaural broadcasting, 106.9 FM can now be heard over a slightly larger coverage area than previously.WOOD-FM originally began broadcasting as WMUS-FM in 1947 at 100.5 on the FM dial; it was Muskegon's first FM station and came on the air just a few months after its AM sister, WMUS.