Grid Point #: 001601 
Longitude:  -101.0865
Latitude:     18.2032
Contributing Station, distance (km).
TNIF   85.8
TNCN  101.1
LZCR  119.1
TNMO  161.4
TOL2  194.4
MRCU  213.8
YAIG  225.2
TNAT  321.9
TNNP  478.8