Grid Point #: 002721 
Longitude:   -99.8192
Latitude:     21.6566
Contributing Station, distance (km).
UJUR  124.3
TNSL  132.6
UQRO  133.5
USLP  134.8
HGTO  200.6
HGPA  206.2
TAM1  213.1
MTY2  454.1