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I have what I am sure is a very basic question but I couldn't figure out how to search the archives for it, and the documentation left me befuddled. I am trying to pass a netCDF3v1 file through a virus detector-like software (more like a firewall-like thing) that checks for a few things to ascertain the file is really a netCDF3 file. The file is global lon x lat x time (1 time step) with 4 variables. So I've done an octal dump on the file and I'm curious about the value that is supposed to be in bytes 4-7, where bytes 0-3 are "C-D-F-1". Appendix B in the user's guide says these bytes are the numrecs=length of the record dimension. What is that? The unlimited dimension? My example file has "1" at byte 7, the example in the user's guide has 0. My intuition tells me that for my file, time is considered the record dimension, but it would also be OK to have 0 record dimensions in this file if I don't intend to append to it. Is my understanding correct? Kevin Havener, DAFC, 14WS/WXED
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