Grid Point #: 001790 
Longitude:   -99.2907
Latitude:     18.6349
Contributing Station, distance (km).
MRCU   31.5
YAIG   34.6
UCOC   48.6
TOL2   82.1
TNAT  143.3
TNIF  277.7
LZCR  314.5
TNNP  360.8