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Overview of Height Modernization

Learn about the history, importance, and challenges of establishing accurate heights. Explore the technology and approaches used in height modernization programs. Find out about federally funded initiatives, spatial reference centers, and regional leaders involved in height modernization. Discover new data collection methods and tools for the entire country.

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Overview of Height Modernization

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  1. Overview of Height Modernization Christine Gallagher Eastern States Regional Webinar March 4, 2014

  2. Establishing accurate heights… • is important • can be expensive • can be technically challenging

  3. History of Height Modernization: Programmatic development, tied to Congressional funding Technology and approach continues to evolve

  4. = Existing line = New line Height Mod includes: • (Historic) congressionally-directed funds for states • Methods and guidelines (58 & 59) for the whole country Federally funded Engaged with no federal funding Spatial Reference Centers Regional Leaders Other funded partners = HARN = Primary = Secondary = Local

  5. Height Mod includes: • New data collection, studies, and pilot projects • Improved model & tools for the whole country GRAV-D Green = FY11 and earlier Orange = FY12 White = FY13 Blue = FY14 Plan Filled white = Underway Filled red = Incomplete GEOID12A Map from Nov. 2013

  6. NGS Ten-Year Plan & HMOD Plan PARALLEL GOALS

  7. Eastern Regional States

  8. Questions Christine Gallagher Program Analyst National Geodetic Survey Email: Christine.Gallagher@noaa.gov Phone: (301) 713-3231 x105 http://www.ngs.noaa.gov/heightmod/

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