Grid Point #: 001520 
Longitude:  -100.7319
Latitude:     17.9873
Contributing Station, distance (km).
TNIF  127.0
TNCN  145.2
LZCR  153.1
TOL2  185.0
MRCU  191.2
TNMO  192.0
YAIG  200.8
TNAT  284.9
TNNP  434.4