Grid Point #: 012996 
Longitude:   -87.4367
Latitude:     40.6502
Contributing Station, distance (km).
WLCI   36.9
INRN   41.4
INRL   42.1
P775   42.3
ILBU   51.3
KA18   60.8
ID03   63.7
INNP   86.9