This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Steven, >Date: Mon, 20 Sep 2004 10:12:07 -0500 >From: "Steven Danz" <address@hidden> >Organization: Aviation Weather Center >To: Steve Emmerson <address@hidden> >Subject: Re: 20040918: Possible pqact issue in LDM? >Keywords: 200409091803.i89I3pnJ023109 The above message contained the following: > AWC has a NorthupGrumman NOAAPort receiver system, which is pretty > much just a stripped down AWIPS CP. On this system, we have some > software from FSL that can talk to the AWIPS CP software and for each > product received on the NOAAPort, insert it into the LDM queue. So, > we also have LDM running on this system, configured as a pure data > source (no 'request' lines in ldmd.conf) to feed the NOAAPort data to > other systems in the center. Now, to make a record of the time that > each product reaches the center on NOAAPort, the LDM on the receiver > has a small pqact.conf that, for each AWC product, EXEC's a script to > put a one-line product in the queue that contains the current wall > clock time, the server name, product name, etc. to give us a record of > the time that the product arrived from NOAAPort. Just out of curiosity, are the data-products that cause the insertion of the EXEC-generated data-products also relayed to LDM clients on other, internal systems? If so, is a missed data-product, nevertheless, successfully relayed? Regards, Steve Emmerson