Grid Point #: 006182 Longitude: -106.7797 Latitude: 31.8009 Contributing Station, distance (km). SG33 26.0 TXAT 27.3 TXEL 49.6 NMSU 52.7 NMLC 53.3 NMDE 103.2 USMX 353.8 CHIH 355.3 TNCU 372.5