Grid Point #: 001861 
Longitude:  -100.1015
Latitude:     18.8507
Contributing Station, distance (km).
TOL2   68.8
MRCU   95.2
MXAT  106.8
YAIG  108.9
TNMO  147.8
TNCN  199.6
TNIF  199.8
TNAT  231.6
LZCR  241.4