Grid Point #: 001858 
Longitude:  -100.7863
Latitude:     18.8507
Contributing Station, distance (km).
TNMO  100.1
TNCN  129.0
TOL2  129.8
TNIF  133.5
MXAT  141.7
MRCU  167.2
LZCR  178.4
TNAT  300.4