SDI-104 Operator's Manual
Version 2008

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The navigation system overview and file naming conventions are described below.


GVAR navigation is filed in the McIDAS SYSNAV file format. The SDI Event System is configured to execute /usr/local/bin/ at the start of a new image. This program reads the navigation information from the current image and files navigation if either of the following conditions are true:

File Naming Convention

The naming convention of the McIDAS SYSNAV files for GVAR is:



YY  is the julian year of the navigation

SS  is the McIDAS sensor source number of the satellite

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