PDF-TS07C - Geoid and GNSS Heighting, paper no 4973

EleniGeorgia Alevizakou and Evangelia Lambrou Greece Fast and Convenient Geoid Undulation N Determination in an Urban Area FIG Working Week 2011 Bridging the Gap between Cultures TS07C Geoid and. National Geodetic Survey. Andria . Bilich. & Gerald . Mader. Geosciences Research Division. National Geodetic Survey. With contributions from. :. Steven . Breidenbach. , Hong Chen, . Kendall . Fancher. Denial. and. Astro. Navigation. . .  . Causes of . GNSS. Denial. GNSS. aerial damage or other . defects. Accidental Interference. Hostile Jamming . and Spoofing. Loss . or damage to the . GNSS. Daniel Roman. 1. , . Xiaopeng. Li. 2. , and Simon Holmes. 3. 1 Geosciences Research Division, NGS, NOAA, Silver Spring MD. 2 Earth Resources Technology (ERT), Inc., Silver Spring MD. 3 Stinger . New York State Association of Professional Land Surveyors. January 20, 2016. Dan Martin. Northeast Regional Geodetic . Advisor. Dan.martin@noaa.gov. 240-676-4762. THE CHANGE FROM LABOR INTENSIVE TO TECHNOLOGY!. Geodesy. - the shape of the earth and definition of earth datums. Map Projection. - the transformation of a curved earth to a flat map. Coordinate systems. - (x,y,z) coordinate systems for map data. ’. s law of . universal gravitation. :. where:. F is the force of gravitation.. m. 1. and m. 2. are the masses.. r is the distance between the masses.. . . is the gravitational constant that is equal to 6.67x10. What is GNSS?. GNSS (Global Navigation Satellite System). Satellite navigation System . Accurately and precisely locate a point on Earth . US – GPS (Functional). Russian – GLONASS (Functional). European – Galileo (Non Functional). . AKA “Replacing NAVD 88”. Dru Smith. NSRS Modernization Manager. NOAA’s National Geodetic Survey. 2018-05-07. 1. Modernizing the Geopotential Datum. Creating. 2018-05-07. 2. Modernizing the Geopotential Datum. Justyna REDELKIEWICZ. European GNSS Agency (GSA. ) . European GNSS Applications in H2020. Prague, 04/02/2014. Mobile applications are getting closer . to where you are. Navigation. find your way to destination on foot, by car etc.. Dr. Mark Schenewerk. Mark.Schenewerk@noaa.gov. 816-994-3009. Who is this guy?. I am Mark Schenewerk with . National Geodetic Survey. (NGS).. B.S. from the University of Missouri at Rolla.. Ph.D. from the University of Illinois at Champaign-Urbana.. Portland, Oregon | September 23, 2011. Acknowledgements. Thanks to . Lisa . Beaty. (ION Executive Director) and . John Betz. (Panel Session Track Chair, ION Fellow) for inviting this panel to convene.. Dr. Mark Schenewerk. Mark.Schenewerk@noaa.gov. 816-994-3009. Who is this guy?. I am Mark Schenewerk with . National Geodetic Survey. (NGS).. B.S. from the University of Missouri at Rolla.. Ph.D. from the University of Illinois at Champaign-Urbana.. N. etwork. Florida Custom Geoid. and. New . Datums. Ron Hanson, PSM. FPRN Manager. FPRN GEOID 2016. WHY?. Usefulness of any Geoid model is limited by data density and distribution.. NGS Hybrid Geoid philosophy limits current usefulness to surveyors.. Map Coordinate Systems. , and Datums. Or how you can impress your friend on a . hike. D. Ravat. University of Kentucky . May 2012. Motivation for the Exercise. Most students and instructors are unfamiliar about the reasons for the discrepancies in latitudes and elevations from measurements made by a handheld GPS unit, a smartphone, Google Earth, and a USGS .