Grid Point #: 011588 
Longitude:   -88.8889
Latitude:     38.9235
Contributing Station, distance (km).
ILEI   35.9
ILMV   67.3
RTDN   67.4
API1   74.0
MACO   93.4
KA12  105.7
ILSD  112.6
KA35  113.1