Grid Point #: 001849 
Longitude:  -102.8408
Latitude:     18.8507
Contributing Station, distance (km).
TNMR   82.1
TNCN   97.4
COL2  100.5
COO4  105.6
TECO  108.3
NVDO  113.8
LZCR  123.1
UCOE  161.0