Grid Point #: 002707 
Longitude:  -103.0730
Latitude:     21.6566
Contributing Station, distance (km).
INEG   84.4
JAGU  110.2
UGEO  110.9
IIEG  114.8
IZAC  133.4
UNLE  160.3
ANIG  164.2
IDGO  310.8