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Pete, I looked in the IDD stats here, and one problem that appears is that we have stats arriving with the hostname set in ~ldm/bin/ldmadmin still showing @HOSTNAME@ where this should be edited and replaced with the correct machine name that the ldm is installed on as part of the installation. This may be your site, since it is feeding mapmaker.meteor.wisc.edu and ProfHorn.meteor.wisc.edu HDS|DDPLUS among others. TOPOLOGY @HOSTNAME@ mapmaker.meteor.wisc.edu WSI|NLDN unknown unknown @HOSTNAME@ weather.admin.niu.edu FSL2|MCIDAS|IDS|DDPLUS unknown unknown @HOSTNAME@ pluto.met.fsu.edu IDS|DDPLUS unknown unknown @HOSTNAME@ cirrus.geo.msu.edu FSL2|UNIDATA unknown unknown @HOSTNAME@ weather.admin.niu.edu HDS unknown unknown @HOSTNAME@ cirrus.lsc.vsc.edu SPARE|IDS|DDPLUS unknown unknown @HOSTNAME@ pluto.met.fsu.edu HDS unknown unknown @HOSTNAME@ cirrus.lsc.vsc.edu MCIDAS unknown unknown @HOSTNAME@ ProfHorn.meteor.wisc.edu HDS|DDPLUS unknown unknown TOPOEND Steve Chiswell Unidata User Support