Geo IR	85-92GHz	Date/Time_(UTC) Source Sensor Vmax(kts) ARCHER Lat Lon Geo-ref Lat Lon 50% cert. rad. 95% cert. rad. Eye diam (deg) % cert. of eye
		20170907 18:57:21 SSMI-15 85-92GHz 20.0 25.39 119.17 25.27 119.06 0.60 1.70 5.00 0.0 20170907 17:36:39 GMI 85-92GHz 20.0 *** *** *** *** *** *** 5.00 *** 20170907 17:20:24 AMSR2 85-92GHz 20.0 25.06 119.04 25.07 119.06 0.58 1.64 5.00 0.0
		20170907 10:36:46 * SSMIS-18 85-92GHz 20.0 23.99 119.34 24.08 119.39 0.32 0.91 5.00 0.0
		20170907 09:54:06 SSMIS-17 85-92GHz 20.0 24.07 119.53 23.93 119.49 0.38 1.08 5.00 0.0
		20170907 06:28:36 * SSMI-15 85-92GHz 20.0 23.90 118.97 23.79 118.97 0.32 0.91 5.00 0.0 20170907 05:12:21 AMSR2 85-92GHz 20.4 23.51 119.08 23.54 119.08 0.24 0.68 5.00 0.0 20170907 04:16:40 GMI 85-92GHz 21.0 23.38 119.10 23.54 119.08 0.18 0.51 5.00 0.0
		20170906 22:38:12 SSMIS-17 85-92GHz 24.1 22.79 119.12 22.92 119.08 0.22 0.63 1.20 8.2 20170906 22:38:11 SSMIS-17 85-92GHz 24.1 22.79 119.12 22.92 119.08 0.22 0.63 1.20 8.2
		20170906 19:45:07 SSMIS-16 85-92GHz 25.0 22.52 119.24 22.63 119.22 0.29 0.82 1.30 2.3 20170906 19:14:17 * SSMI-15 85-92GHz 25.0 22.60 119.09 22.78 119.05 0.21 0.59 5.00 0.0
		20170906 18:16:27 AMSR2 85-92GHz 25.0 22.43 119.07 22.36 119.12 0.27 0.77 5.00 0.0
		20170906 10:06:30 * SSMIS-17 85-92GHz 25.0 21.25 120.00 21.49 120.00 0.37 1.06 2.60 5.2
		20170906 07:13:01 SSMIS-16 85-92GHz 25.0 21.04 120.16 21.30 120.16 0.24 0.69 5.00 0.0
		20170906 06:43:29 SSMI-15 85-92GHz 25.0 20.77 120.03 20.61 120.03 0.22 0.62 1.60 27.4
		20170905 22:51:50 SSMIS-17 85-92GHz 30.0 20.72 120.79 20.72 120.71 0.39 1.11 2.30 5.4 20170905 22:51:49 SSMIS-17 85-92GHz 30.0 20.70 120.73 20.70 120.65 0.36 1.02 5.00 0.0
		20170905 19:58:38 SSMIS-16 85-92GHz 30.0 20.30 121.35 20.30 121.24 0.50 1.40 5.00 0.0
		20170905 17:46:40 GMI 85-92GHz 29.9 20.27 122.18 20.27 122.23 0.38 1.07 5.00 0.0 20170905 17:34:04 AMSR2 85-92GHz 29.9 *** *** *** *** *** *** 3.10 ***
		20170905 10:18:50 SSMIS-17 85-92GHz 27.9 19.24 123.03 19.44 122.73 0.45 1.26 2.20 1.8
		20170905 07:25:11 SSMIS-16 85-92GHz 27.1 18.93 123.57 19.14 123.32 0.48 1.35 5.00 0.0
		20170905 05:22:47 AMSR2 85-92GHz 26.5 18.77 124.04 18.79 124.02 0.48 1.36 0.10 1.6 20170905 04:26:40 GMI 85-92GHz 26.2 18.69 124.42 18.89 124.23 0.51 1.44 0.50 1.2
		20170904 22:05:46 SSMIS-18 85-92GHz 31.2 17.33 124.59 17.50 124.59 0.54 1.54 4.00 1.3 20170904 22:05:44 SSMIS-18 85-92GHz 26.6 17.24 124.90 17.41 124.90 0.51 1.45 3.10 0.8
		20170904 20:12:40 SSMIS-16 85-92GHz 28.2 *** *** *** *** *** *** 5.00 ***
		20170904 16:51:48 AMSR2 85-92GHz 30.0 16.47 124.85 16.54 124.85 0.45 1.26 5.00 0.0

Key:

Date/Time: UTC time. If this observation is used in the track it is marked with a "*". If it is used for its own 3-hr window, it is put in bold.

Source/sensor: Satellite source of the analyzed image.

Vmax: Maximum winds listed in the forecast center analysis/forecast, *not* ARCHER.

ARCHER lat/lon: Coordinates of the ARCHER algorithm, valid at the time of the observation. If no center fix could be found, then it is "***".

Geo ref lat/lon: Coordinates of the ARCHER algorithm, valid at the time of the *nearest geo image*.

50% cert. rad.: Radius of the circle (in degrees) that defines the area in which the ARCHER center of rotation is 50% certain. The lower the number, the more certain the position.

95% cert. rad.: Radius of the circle (in degrees) that defines the area in which the ARCHER center of rotation is 95% certain.

Eye diam (deg): ARCHER-resolved eye diameter (in degrees). Green: robust, yellow: less certain, red: not robust.

% cert. of eye: Percent certainty that an eye exists in this image, determined by ARCHER. Currently only available for IR and 85-92 GHz imagery.

Links to related versions: ARCHER Track page