[HamWAN PSDR] HamWAN in KAWO

Hello, I was considering connecting to the HamWAN from Arlington airport (KAWO), specifically from the top of the Evergreen Soaring Hangar. Can someone make an educated guess on the probability of it working? I would hate to spend the money on equipment and not be able to connect. I noticed on the map that there is a light red hue on the hangar. Subhro