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Greetings Ben, McV is the way to go for this case. What kind of issues were you having getting McV to run? I ask because many of the machines at SSEC are Macs running Snow Leopard, so it's odd that it won't work for you. Cheers, Sean > Hello, > > I have downloaded some GOES-13 imager AREA files from NCDC's CLASS site, > trying to get a look at the visible and especially the IR images for a > couple of days in November 2010. > > Using the IDV, I am able to read and plot these fields, but the data > are raw. I can deal with this for vis imagery because it's still possible > to look at the images and get a feel for how bright they are. However, > I want to try to view the actual temperatures from the long-wave IR and > don't know how to do that when all I have are the raw value for channel 4. > > NOAA's website > > http://www.oso.noaa.gov/goes/goes-calibration/gvar-conversion.htm > > provides equations for converting the raw values to temperatures, but > how can I apply such equations in IDV so that I can calculate/convert > from the raw ch-4 values to temperatures then display them? > > If an alternative data source or method of plotting would be a better > choice than the CLASS/IDV combination that I've chose, please let me know. > As a backup, I tried to use McIDAS-V for this task, but can't even get > the software to run on my machine (Mac OSX10.6.8). > > Perhaps GINI data could work? I haven't been able to find a good archive > of that, though. > > Any help would be appreciated. > > Many thanks, > > Ben Bernstein > Ticket Details =================== Ticket ID: VRB-317344 Department: Support IDV Priority: Normal Status: Open