Testing The Blunder Features

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To help you understand the blunder location process, I have included a data file that contains a known blunder. The file is called "BLNDTEST.DAT" and it comes with example files that are installed with COMPASS for DOS. It contains a single loop that is about 800 feet long and has 30 shots. This was a very high quality loop before the blunder was added. The error before the blunder was about .25 standard deviations. The blunder pushed the error level to 1.17 standard deviations. As you will see, the blunder is a 10-foot length error in shot C9 to C10.