is in the text file? (Points, lines, polygon?)

To turn this text file into a map feature, you can use the tool in ArcGIS/ArcMap. Open the Samples Toolbox . Select Create Features from Text File . Input File: Choose your Stnrby5.txt file.

are you using to create the feature? (ArcGIS, QGIS, something else?) With those details, I can give you the exact steps. Create Features from Text File (Samples)—ArcMap

The file needs to be space-delimited (or tab-delimited) containing coordinates.

Select Point, Polyline, or Polygon based on your data. Click OK . Alternative: Online Creator