Date/Time_(UTC) Source Sensor Vmax(kts) ARCHER Lat Lon Geo-ref Lat Lon 50% cert rad 95% cert rad Eye diam (deg) % cert eye 50% cert fxa 20180920 19:38:06 AMSR2 85-92GHz 35.0 19.52 84.82 19.60 84.64 0.60 1.69 0.50 0.5 0.22 20180920 19:38:06 * AMSR2 37GHz 35.0 19.67 84.18 19.75 84.00 0.44 1.26 0.20 *** 0.22