Grid Point #: 001516 
Longitude:  -101.6404
Latitude:     17.9873
Contributing Station, distance (km).
TNIF   41.5
LZCR   57.1
TNCN   72.0
TNMO  189.8
TOL2  255.6
MRCU  277.0
YAIG  288.4
TNAT  380.8
TNNP  521.3