Grid Point #: 001853 
Longitude:  -101.9277
Latitude:     18.8507
Contributing Station, distance (km).
TNCN   33.3
TNIF   64.5
UCOE  109.8
TNMO  115.2
TNMR  162.0
COL2  191.5
COO4  192.8
NVDO  194.3