Transforming Modernized NSRS Coordinates and Uncertainties from One Frame to Another

Smith, Dru

doi:10.25923/yh2j-by92

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Transforming Modernized NSRS Coordinates and Uncertainties from One Frame to Another

2021
By Smith, Dru
Series: NOAA technical memorandum NOS NGS ; 89

[PDF-643.11 KB]

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Personal Author:

Smith, Dru
Corporate Authors:

National Geodetic Survey (U.S.)
NOAA Program & Office:

NOS (National Ocean Service) ; NGS (Office of National Geodetic Survey)

NOS (National Ocean Service) ; NGS (Office of National Geodetic Survey) Less -
Description:

The National Geodetic Survey (NGS) is modernizing the National Spatial Reference System (NSRS). As part of that modernization, NGS will define four terrestrial reference frames which will be mathematically defined relative to the ITRF2020 frame (NGS 2021). Those four frames are NATRF2022, PATRF2022, CATRF2022 and MATRF2022 (named for the North American, Pacific, Caribbean and Mariana plates, respectively.) A technical memorandum (Smith 2020) provided equations for transforming coordinates and variances from ITRF2020 to any of the four NSRS frames (N/P/C/MATRF2022). That paper showed how ITRF2020 positioning variance as well as variance in the rotation model (EPP2022) can both impact the variance in the NSRS coordinates. However, Smith (2020) did not address how to transform coordinates and variances between the NSRS frames, nor did it address transforming coordinates froman NSRS frame to ITRF2020. This paper addresses both issues.
Keywords:

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Location-based Services Spatial Data Infrastructures
Series:

NOAA technical memorandum NOS NGS ; 89
DOI:

https://doi.org/10.25923/yh2j-by92
Document Type:

Technical Memorandum
Place as Subject:

United States
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

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urn:sha256:e35ba863fe1ea28bbdca71346fdaf681c13fcb83cca5f112883dae675c0be69c
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https://repository.library.noaa.gov/view/noaa/32929/noaa_32929_DS1.pdf
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Transforming Modernized NSRS Coordinates and Uncertainties from One Frame to Another

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