So would they keep the antenna on the current tower and go up 100k or would they change locations? Obviously, COL is irrelevant so where would the "new" tower be located? Does the application say anything about the requested height?
I ask these questions because the station, which is currently centered in Walton county (I think), may only be at 77k watts but the height of the antenna on the tower allows the signal to really travel. Just this past fall, I was in Mt. Zion Georgia which is over in Carroll county, only a few miles from the Alabama border, and the hosts of a outdoor cook out had this station on a boombox outside. I also note that the station is received clearly in the northern burbs of Macon and can be received relatively clear in the city of Macon. Where is the need to increase coverage from this station?
Yes, the tower is in Walton County (they share their current tower with WFSH), between Bethlehem and Loganville, IIRC. Looking at the app, the crosshair for the tower appears to move a little--but I find it hard to believe that they would build a new tower so close to the existing one, so I think that's just a glitch in the diagram.
WYAY is one of only two full class C's in the ATL--the other being WSRV, both being on outlying towers away from Hartsfield and its flight patterns. Going from 77K to 100K won't get you much additional coverage, but should improve reception and building penetration in the existing coverage area.