The foundational elements of latitude, longitude, elevation, and shoreline information impact a wide range of important activities. Ngs defines the official geodetic datums for all federal mapping activities in the u.s The leveling projects page allows users to obtain data (leveling height differences) and metadata along any level line which has been loaded into the ngs integrated database.
spideyava - Vault Dweller | Cosplay - CosplayCodex
The stations are independently owned and operated
Each agency shares their gnss carrier phase and code range measurements and station metadata with ngs, which are analyzed and distributed free of charge.
Web service that distributes the geoid height of the ngs geoid models in a concise and portable way The web service provides the geoid height (of a model specified by its model id) at any given latitude and longitude. Process your gnss data in the national spatial reference system Vertcon 3.0 release 20190601 adds support for vertical datums on islands and alaska, and the vertcon 3.0 build software prepares ngs for the upcoming napgd2022 release.
Ngs's authoritative spatial data, models, and tools are vital for the protection and management of natural and manmade resources and support the economic prosperity and environmental health of the nation.
