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Portland & Turner, ME Orthoimagery Data Comparison

A comprehensive comparison of orthoimagery data quality and accuracy in Portland and Turner, ME. Explore different resolutions and positional accuracy levels from various sources like NGA, USDA, and more.

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Portland & Turner, ME Orthoimagery Data Comparison

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  1. Portland, ME 3” pixel resolution – level 1 Positional accuracy +/- 6” Bradstreet 2006

  2. Portland, ME 6” pixel resolution – level 2 Positional accuracy +/- 24” Citipix 2001

  3. Portland, ME 12” pixel resolution – level 2 Positional accuracy +/- 48” NGA 2009

  4. Portland, ME 1m pixel resolution Positional accuracy +/- 16’ USDA NAIP 2009

  5. Turner, ME 3” pixel resolution Positional accuracy +/- 6” Sewall 2006

  6. Turner, ME 6” pixel resolution Positional accuracy +/- 24” Citipix 2001

  7. Turner, ME 12” pixel resolution Positional accuracy +/- 48” Maine GeoLibrary 2003

  8. Turner, ME 24” pixel resolution Positional accuracy +/- 13’ Maine GeoLibrary 2003

  9. Turner, ME 1m pixel resolution Positional accuracy +/- 16’ USDA NAIP 2009

  10. 3 inch orthos 1:600

  11. 6 inch ortho 1:1200

  12. 1 foot ortho 1:2400

  13. 2 foot ortho 1:4800

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