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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
On Sun, 31 Jul 2011, Gilbert Sebenste wrote: > > On Sun, 31 Jul 2011, Jeff Lake wrote: > > > This is getting crazy ... > > when they switch uplink sites tomorrow maybe that is the problem > > Seems like they do that at least a few times a week...I just noticed yesterday > there was quite a signal drop for about 30 minutes around 2Z; > I didn't catch whether or not that happened at other times yesterday. > I'm seeing many, many cases of retransmitted products that have different MD5 signatures. (When our ingest software (which is custom-built) sees a retransmitted product, it will keep it only if it hasn't already been received OR if the signatures differ. I am ignorant of how the ingest software works at other sites.) I have seen this sporadically since July 3rd. This latest spurt started around 18Z on July 28th. Unfortunately, I haven't been keeping close tabs on which uplink site is in use when this happens. I suspect that there is a direct correlation. Later this evening I'm going to dig out a pair of products (the original and the retransmitted versions) to see just what is different about them. I find it strange that there are so many retransmits to begin with. It makes one wonder if there is an NWS site somewhere that is having particularly bad reception problems. - Bryan
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