Grid Point #: 001604 
Longitude:  -100.4043
Latitude:     18.2032
Contributing Station, distance (km).
TOL2  145.3
MRCU  149.1
TNIF  157.7
YAIG  158.9
TNCN  169.8
TNMO  182.6
LZCR  189.8
TNAT  249.8