Remember, for a while they simulcast on 104.1, WYAI (which sounds nearly exactly like WYAY.) I always thought it was so creative that you could year the Y106 ID and jingles on 106.7 and hear the Y104 ID and jingles on 104.1. Yet, all the jocks always said, "Y106 and Y104" identifying both stations.
Pretty cool, but even cooler: they could have done what was done in Syracuse NY: I had a friend who worked at WTKW TK-99. He was simulcast on Rock 107 WRCK 107.3. He would open the mic (making sure it was assigned only to TK) and do his wrap starting it with 'TK99....' and you would hear either a segue or liner on 107.3, and vice versa over the next song. The station kept totally separate identities. Going into spots he would fire a promo that would be specific to each station. It could have been done at YAY/YAI but the problem is the jock can get messed up really easy! And 106.7/104.1 was using two signals as one to cover the same metro. The scenario I described was for two close-by but separate markets.