The shotpoint navigation provided here is the 500 shot interval files that were extracted from the SEG-Y headers by SU, and reformatted with year and Julian day manually entered into each record. This navigation was used in conjunction with the edited navigation to generate the trackline maps in ArcView 3.2. These files are stored in ASCII format with a .txt extension. (key15a.txt) Each file represents a separate trackline, which contains six fields separated by tabs. Links to the 500 shot interval files are provided below or you can locate the ASCII files in the 500SHOT subfolder of the NAV folder at the top level of this DVD
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