Grid Point #: 004206 
Longitude:   -97.4290
Latitude:     27.4842
Contributing Station, distance (km).
TXCC   28.6
TXC6   31.1
TXKI   42.4
TXPO   53.0
TXKN   53.0
ARP8   53.6
TXR1  115.3
TXLN  155.0