Grid Point #: 001682 
Longitude:  -102.3529
Latitude:     18.4190
Contributing Station, distance (km).
TNCN   43.0
TNIF   51.0
LZCR   56.4
TNMR  105.8
COL2  169.0
UCOE  169.8
COO4  175.4
NVDO  184.1