Grid Point #: 002770 
Longitude:   -99.8965
Latitude:     21.8724
Contributing Station, distance (km).
TNSL  116.2
USLP  119.3
UJUR  141.9
UQRO  152.2
TAM1  214.2
HGTO  225.9
HGPA  230.8
MTY2  429.4