Grid Point #: 010388 
Longitude:   -88.5714
Latitude:     37.4127
Contributing Station, distance (km).
KYPH   35.3
KYPD   44.2
KYMR   44.8
KYWL   66.6
KYMF   67.0
MOJK   95.3
RTDN  104.8
ILMV  104.9