Technical Specification Overview

ParameterStandard Value
Primary Geodetic DatumNAD83 (CSRS)
Legacy/Historical DatumNAD27
Local Grid ProjectionUTM / MTM
Known Datum Shift (vs WGS84)1.5 meters
National Mapping AuthorityNatural Resources Canada (NRCan)

Professional Compliance Warning

Failure to apply correct transformation parameters when converting from WGS84 (GPS) to NAD83 (CSRS) creates a systematic 1.5 meters offset. In construction and legal surveying, this drift exceeds the allowable error margin for any certified geodetic workflow.

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Global Regional Network

United States Guide

NAD83 (2011) analysis.

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United Kingdom Guide

ETRS89 analysis.

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Australia Guide

GDA2020 analysis.

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Japan Guide

JGD2011 analysis.

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Germany Guide

ETRS89 analysis.

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