Grid Point #: 005372 
Longitude:  -108.5515
Latitude:     30.5059
Contributing Station, distance (km).
USMX  132.6
AZCO  164.2
CHIR  183.9
NMDE  210.9
RG05  228.3
YESX  239.2
SG33  240.3
TXEL  254.0
TNCU  284.9
CHIH  314.4