DuPage Amateur Radio Club Callsign: W9DUP Class: 5A QTH: Possum Hollow WoodsLocation: Possum Hollow Woods Lat/Lon: 41.50.22N/087.52.44W Grid: EN61BU Directions: Site is located 1/4 mile west of the intersection of LaGrange Rd (Rt. 45) and 31st Street in the Possum Hollow Forest Preserve. Take the access road all the way to the dead end.