Dual-Polarization Sample Data!
NCDC has obtained sample Dual-Polarization NEXRAD data from the National Severe Storms Laboratory (NSSL) KOUN test site. For more information on Dual-Polarization please refer to: http://cimms.ou.edu/~schuur/radar.html
These data are available with the following disclaimer:

===DISCLAIMER===
These files contain research-quality data. Users assume all risks and
understand these data might not resemble future operational data sets.
================

NOAA/OAR/National Severe Storms Laboratory
Norman, OK
15 November 2006

The data may be downloaded from the NCDC anonymous FTP site:
ftp://ftp.ncdc.noaa.gov/pub/data/nexradviewer/dual-pole-sample/
-- or --
http://www1.ncdc.noaa.gov/pub/data/nexradviewer/dual-pole-sample/