'Navd 88' presentation slideshows

1.48k views • 101 slides

GPS Derived Heights: A Height Modernization Primer

1.18k views • 63 slides

Tidal and Geodetic Vertical Datums

Tidal and Geodetic Vertical Datums. Marti.Ikehara@noaa.gov State Geodetic Advisor, NGS National Ocean Service, NOAA Sacramento, CA October, 2005 Workshop. Vertical Control Datums. A set of fundamental elevations to which other elevations are referred. Vertical Datum Types

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Upcoming replacements for NAD83, NAVD88 and IGLD85 Dru Smith, NGS Richard Snay , NGS

Upcoming replacements for NAD83, NAVD88 and IGLD85 Dru Smith, NGS Richard Snay , NGS Thomas Landon, NGS. Outline. History of North American Datums Current Issues Canadian and USA perspectives Future. History of North American Datums. Horizontal Datums. NAD 27. NAD 83.

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REAL TIME NETWORKS AND THE ROLE OF NGS

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VERTICAL DATUMS

VERTICAL DATUMS. APRIL 08, 2008 By Ronnie L. Taylor Chief, Geodetic Advisor Branch NOAA, National Geodetic Survey. VERTICAL DATUMS. Local/Regional Assumed City, County International Great Lakes Datum 1955 (IGLD55) International Great Lakes Datum 1985 (IGLD85) National

922 views • 52 slides

GRAV-D G ravity for the R e-definition of the A merican V ertical D atum

GRAV-D G ravity for the R e-definition of the A merican V ertical D atum. Why this briefing?. NGS recently acquired a new airborne gravimeter Intended to support GRAV-D GRAV-D is an ambitious new plan for NGS to accomplish part of its mission Up front costs Long-term savings

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Geoid Modeling and GRAV-D: Gravity for the Redefinition of the American Vertical Datum

Geoid Modeling and GRAV-D: Gravity for the Redefinition of the American Vertical Datum Beaumont, Texas June 8-9, 2009 Renee Shields Height Modernization Manager. From the NGS 10-Year Plan. Define the NSRS

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NSRS Modernization Update

Dru Smith | NSRS Modernization Manager. November 2016. NSRS Modernization Update. Introduction: About the NSRS. Overview. The NSRS (National Spatial Reference System) is the official coordinate system for all geospatial work done by the non-military federal government

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Gravity, Geoid and Heights

Gravity, Geoid and Heights. Daniel R. Roman National Geodetic Survey National Oceanic and Atmospheric Administration. Two-Plane Method of Interpolating Heights (Problem 8.3). We can approximate the shift at an unknown point (when observations are unavailable) using least squares methods.

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The G ravity for the R edefinition of the A merican V ertical D atum (GRAV-D) Project

The G ravity for the R edefinition of the A merican V ertical D atum (GRAV-D) Project. Dr. Theresa Diehl Research Geodesist Webinar Given on May 9, 2011. PART I. Overview of the need for and inception of the GRAV-D program Program goals and plans to achieve them

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528 views • 38 slides

Outline

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Modernizing the Geopotential Datum: Replacing NAVD 88 Daniel R. Roman, Ph.D.

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GRAV-D Project A Height Mod. Project Fairbanks, Alaska September 9, 2009

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FEMA EC Exercise 1

FEMA EC Exercise 1. EXERCISE 1 FEMA ELEVATION CERTIFICATE. Complete sections A, B, C, D (comments section only) and G of the FEMA Elevation Certificate using the information on the following slides and your handout. Do not fill out Section G4-G6.

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Modernizing the National Spatial Reference System Dru Smith NSRS Modernization Manager

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GPS for NOAA Hydrographic Surveying

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Status the Vertical Network in NE and Modernization of the Vertical Datum

Status the Vertical Network in NE and Modernization of the Vertical Datum. USACE Vertical Datums Workshop Concord, MA August 11, 2010 Dan Martin National Geodetic Survey Vermont State Advisor. NGSIDB BM Status (1 st , 2 nd order). NE Vertical Control. We need to set more marks. ???.

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Vertical Control

Vertical Control. Vertical Datums. A vertical datum is used for measuring the elevations of points on the earth's surface. Geodetic Datums (NGVD29, NAVD88) Hydrologic Datums (LWRP, IGLD) Tidal Datums (MSL or LMSL, MLLW, MHW) Local (Cario, Memphis Datum) Ellipsoid (Space-based) Surfaces.

347 views • 11 slides