Grid Point #: 001786 
Longitude:  -100.2027
Latitude:     18.6349
Contributing Station, distance (km).
TOL2   93.9
MRCU  109.9
YAIG  122.2
MXAT  132.7
TNMO  155.9
TNIF  183.1
TNCN  186.6
LZCR  222.5
TNAT  234.9