Grid Point #: 001607 
Longitude:   -99.7220
Latitude:     18.2032
Contributing Station, distance (km).
MRCU   95.6
YAIG  100.7
TOL2  121.5
TNAT  177.8
TNMO  225.7
TNIF  229.7
LZCR  261.3
TNNP  358.8