Grid Point #: 001777 
Longitude:  -102.4826
Latitude:     18.6349
Contributing Station, distance (km).
TNCN   54.7
TNIF   73.9
LZCR   83.7
TNMR   98.8
COL2  145.1
COO4  150.3
UCOE  155.0
NVDO  157.8