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Enhancing Data Quality Through Vertical and Horizontal Accuracy Examples

Learn the significance of positional accuracy in graphics for data quality by exploring examples like the location of monuments in published NAD83(86) and NAD83(HARN) coordinates versus GPS coordinates like the USGS Monument at DFW Airport Building. Discover why scale and pixel accuracy matter!

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Enhancing Data Quality Through Vertical and Horizontal Accuracy Examples

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  1. Graphics for Data Quality

  2. Examples of Accuracy

  3. Vertical Horizontal Why Positional Accuracy Matters!

  4. Location of Monument in “our data” Published Coordinates NAD83(86) NAD83(HARN) “true location” Our GPS Coordinates USGS Monument DFW Airport Bldg With GPS target Scale 1 : 850 Scale: 1 : 50 Each pixel is 1.6 feet

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