Grid Point #: 002666 
Longitude:  -100.1547
Latitude:     21.4407
Contributing Station, distance (km).
UJUR   87.3
UQRO   98.2
TNSL  118.0
USLP  118.4
UGTO  125.6
HGTO  190.7
HGPA  209.2
TAM1  254.1