They have been trying that move for years. Happy to see they accomplished it. Should give better in building penetration within the city and North Suburbs close to the stick. Also less chance that DX and tropo will wipe it out. I can hear it in my basement, which I was never able to before.
The antenna is in Evanston. That is a tall building. Using Google Maps you can see 1 antenna on the West side of the building.
Wikipedia always quotes Radio-Locator, which is often wrong. The FCC site is still being deployed, using automation and other mechanisms to update, but they still need humans to do it. The FCC has been massively cut back in the last 20 years. All services take longer now.