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NSW Positioning Theme - Survey Mark GDA2020 multiCRS
Export Data Access API NSW Positioning Theme - Survey Mark GDA2020 multiCRS MultiCRS service - supporting requests in multiple Coordinate Reference Systems - Information Sheet A new series of ‘multiCRS’ web services have been published to support GDA2020. These new ‘multiCRS’ services: · have a spatial reference of GDA2020 · support alignment with GDA2020, GDA94 or [WGS 84-aligned-to-GDA2020] GIS environments,using built-in server-side transformations: o GDA94 < NTv2-CPD > GDA2020 o GDA94 < NTv2-CPD > WGS 84 aligned to GDA2020 o GDA2020 < NULL > WGS 84 aligned to GDA2020 Note: ESRI software will automatically align by transforming from the sourceSpatialReference (GDA94). Other software may need to set client-side transformations from the SpatialReference (GDA2020). Note: Client-side transformation(s) can be used to over-ride these default transformations. The original [WGS 84-aligned-to-GDA2020] is still available, without the ‘multiCRS’ suffix. In due course, and allowing time for user feedback and testing, it is intended that the original service name will adopt this new multiCRS functionally. Please note that SCIMS Online is the official option for obtaining state control survey data for cadastral surveys as it offers legal traceability. SCIMS online is accessible via the Spatial portal. Metadata Portal Metadata Information Content TitleNSW Positioning Theme - Survey Mark GDA2020 multiCRSContent TypeHosted Feature LayerDescription This service provides GDA2020 coordinates, heights and related information for NSW survey marks that form the official State control survey network (as reported in SCIMS). This service supports requests in multiple coordinate reference systems. This service controls the precision of numerical output in a manner that mirrors SCIMS Online available through the Spatial Services Portal. The web service provides a wealth of data on each mark, including:,
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NSW Positioning Theme - NSW Survey Marks
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Access API NSW Positioning Theme - NSW Survey Marks Please Note WGS 84 = GDA94 service This dataset has a spatial reference of [WGS 84 = GDA94] and can NOT be easily consumed into GDA2020 environments. A similar service with a ‘multiCRS’ suffix is available which can support GDA2020, GDA94 and WGS84 = GDA2020 environments. In due course, and allowing time for user feedback and testing, it is intended that these original services will adopt the new multiCRS functionality. Please note that SCIMS Online is the official option for obtaining state control survey data for cadastral surveys as it offers legal traceability. SCIMS online is accessible via the Spatial portal. Metadata Portal Metadata Information Content TitleNSW Positioning Theme - NSW Survey MarksContent TypeHosted Feature LayerDescription The NSW Survey Marks web service is a dynamic map of permanent survey marks that constitute the state control survey. The positioning data under the NSW Foundation Spatial Data Framework (FSDF) is fed to the web service by the Survey Control Information Management System (SCIMS), the database that contains the single source of truth for all marks within the state control survey network. The web service provides a wealth of data on each mark, including:,
Vicmap Position - Survey Control - GDA94 to GDA2020 Transformation Sample Point
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This dataset includes GDA94 and GDA2020 coordinates derived in different ways: - GDA94 coordinates from the Victorian Survey Control Network Adjustment - GDA2020 coordinates from the National Adjustment - GDA2020 coordinates derived by applying the conformal grid to the GDA94 coordinates - GDA2020 coordinates derived by applying the distortion + conformal grid to the GDA94 coordinates - GDA2020 coordinates derived by applying the 7 parameter transformation to the GDA94 coordinates
Global Positioning System Survey data for 2015, and Interferometric Synthetic Aperture Radar Data for 1995-2017, Coachella Valley, Riverside County, California
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GPS data collection: GPS measurements were taken at 24 geodetic monuments during September 27-October 2, 2015. The GPS surveys generally followed established guidelines (Zilkoski and others, 1997), except that the data were processed with single-baseline, rather than multi-baseline, software. GPS measurements were recorded at the monuments on at least 2 different days during 1-hour observation periods. Of the 24 geodetic monuments, 7 were network control stations—DUNE, COCH, DEEP, CAHU, PAIN, C101, and G70; GPS measurements were recorded at these seven stations on 3 additional days during 6.5-hour (or longer) observation periods. InSAR data collection: The data set consists of twenty-four individual interferograms and two stacked interferograms. Of the twenty-four individual interferograms, two interferograms were processed from synthetic aperture radar data acquired by the German Aerospace Center’s (DLR) TerraSAR-X satellite and twenty-two interferograms were processed from synthetic aperture radar data acquired by the European Space Agency’s (ESA) Sentinel-1A satellite. The two stacked interferograms were created by summing multiple individual interferograms. Radar data used to produce the interferograms shown in this report were obtained from the European Space Agency through their free and open data policy and the German Aerospace Center through research proposal GEO1609 for purposes of research and development.
Geodetic Control Theme
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Survey control points or other related data sets which are accurately tied to the National Spatial Reference System.
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