Grid Point #: 001694 
Longitude:   -99.3928
Latitude:     18.4190
Contributing Station, distance (km).
MRCU   57.8
YAIG   60.1
UCOC   73.0
TOL2  100.7
TNAT  146.3
TNMO  236.4
TNIF  264.7
LZCR  299.1
TNNP  349.9