Grid Point #: 011761 
Longitude:   -88.6068
Latitude:     39.1394
Contributing Station, distance (km).
ILEI    4.8
MGEF    5.8
LAK1   36.4
KA12   86.1
RTDN   94.9
ILMV   95.0
API1  107.8
KA35  111.3
ILSD  112.1
MACO  122.3