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Bruce, One possibility is to plot your radar with GPMAP, then use use GPANOT to draw navigated rings, eg with your PROJ=rad and RADFIL specifying your radar file: SHAPE = regpoly INFO = 1/1.0/360/360 LOCI = #39.78;-104.53 The LOCI point would be the location of the radar. The radius of "1" in the INFO line will draw a ring at 1.0 degrees radius from the LOCI point (KFTG's lat/lon in this example). To use repeatedly in your script, you could create a VGF file with the rings drawn at the desired radii, and use that in the GPMAP parameter VGFIL. Steve Chiswell Unidata User Support On Tue, 2004-03-09 at 11:27, Haynie, Bruce wrote: > Howdy! > > I'd like to display range rings on my GEMPAK-generated radar images. > A quick search through the online literature yielded unfavorable > results. Is there a handy method that will allow me to display range > rings using csh scripts?? > > Thanks! > > Bruce > ------------------ > Bruce Haynie eml: address@hidden > Research Associate phn: 806-885-4644 x224 > West TX MesoNet fax: 806-885-4468 > http://www.mesonet.ttu.edu >