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I'm trying to limit our LDM to ingest CONDUIT data from only the Northeastern part of the U.S., however I'm not certain what regular expression I should use. I notice the documentation talks about grid numbers, but I can't seem to find any documentation on the actual values of these numbers, or what group of numbers would be considered the Northeast U.S. I don't have a strong background in meteorology, so perhaps that's my problem, but surely someone has already done this. I've noticed that some people use the following REQUEST statements in their ldmd.conf file: request CONDUIT "[09]$" host.domain.org request CONDUIT "[18]$" host.domain.org request CONDUIT "[27]$" host.domain.org request CONDUIT "[36]$" host.domain.org request CONDUIT "[45]$" host.domain.org I know this divides CONDUIT into 5 separate data channels, but is this limiting CONDUIT to a certain region? If so, what numbers would I use for the Northeast? Would it even make sense to limit CONDIUT to a region? I know that conduit contains several products, and currently we're ingesting the GFS set with the following entries is our ldmd.conf file: REQUEST CONDUIT "MT.gfs_CY.*[05]$" ourprimaryhost.domain.org PRIMARY REQUEST CONDUIT "MT.gfs_CY.*[05]$" idd.cise-nsf.gov ALTERNATE REQUEST CONDUIT "MT.gfs_CY.*[16]$" ourprimaryhost.domain.org PRIMARY REQUEST CONDUIT "MT.gfs_CY.*[16]$" idd.cise-nsf.gov ALTERNATE REQUEST CONDUIT "MT.gfs_CY.*[27]$" ourprimaryhost.domain.org PRIMARY REQUEST CONDUIT "MT.gfs_CY.*[27]$" idd.cise-nsf.gov ALTERNATE REQUEST CONDUIT "MT.gfs_CY.*[38]$" ourprimaryhost.domain.org PRIMARY REQUEST CONDUIT "MT.gfs_CY.*[38]$" idd.cise-nsf.gov ALTERNATE REQUEST CONDUIT "MT.gfs_CY.*[49]$" ourprimaryhost.domain.org PRIMARY REQUEST CONDUIT "MT.gfs_CY.*[49]$" idd.cise-nsf.gov ALTERNATE I believe this reduces our CONDUIT ingestion to a global subset, is that right? I've also noticed that some people use NGRID with GFS, is this necessary, or simply a good idea? I've been bugging the heck out of Unidata Support (Thank you for being patient with me Tom Yoksas), and trying to glean hints from the support archives, but I think I'm out of ideas. Any help would be greatly appreciated. Samuel M. Zehel Jnr Applications Programmer I California University of Pennsylvania 250 University Ave California PA 15419 Office: Eberly Science 271 724-938-1582 mailto:zehel@xxxxxxx
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