Grid Point #: 001779 
Longitude:  -102.0266
Latitude:     18.6349
Contributing Station, distance (km).
TNCN   10.8
LZCR   79.0
UCOE  135.6
TNMO  140.5
TNMR  144.3
COL2  188.8
COO4  192.1
NVDO  196.5