Grid Point #: 001695 
Longitude:   -99.1651
Latitude:     18.4190
Contributing Station, distance (km).
YAIG   50.4
MRCU   54.1
UCOC   59.8
TOL2  109.5
TNAT  122.9
TNIF  288.7
LZCR  322.8
TNNP  333.9