Grid Point #: 021030 Longitude: -111.9471 Latitude: 50.5788 Contributing Station, distance (km). MDHT 107.5 MED1 108.5 ABLT 115.8 LETH 119.3 FOR3 127.9 ABCH 131.4 ABHV 136.0 CP32 141.7 ABCA 150.9 PREL 181.2