Extreme CCTV’s, Burnaby, B.C., MX4 Mechanical Filter LXR image sensors are being used to capture video surveillance of eruption sequences at Mt. Erebus, Antarctica’s most active volcano. The resulting video is transmitted via 2.4 GHz and 5.8 GHz wireless links to a remote monitoring station and then relayed via satellite to the Geochronology Research Laboratory in New Mexico.