Sign in to access the 3D, horizontal and vertical coordinate transformation parameters, as well as the NAD83(CSRS) velocity grid to propagate coordinates between epochs. The transformation is 2D (horizontal), so heights are not required. The NTv2 tool provides a national standard for transforming coordinates (geographic, UTM/MTM/stereographic) between the North American Datum of 1927 (NAD27), the Average Terrestrial System of 1977 (ATS77), the North American Datum of 1983 (NAD83(Original)) and NAD83(CSRS) reference systems using binary grid shift files (.GSB format) where available. TRX is a coordinate transformation tool that allows you to transform between NAD83(CSRS) and ITRF realizations convert coordinates between geographic, Cartesian and mapping projections (UTM, MTM, and stereographic) and transform coordinates between epochs using the predicted velocities from the Canadian Velocity Grid. The adjustment of the CGSN (relative stations) is based on the International Gravity Standardization Network (IGSN71), so the datum definition is considered accurate to several tens of microgals. The CGSN has some 1,600 control stations distributed throughout Canada, but it is being replaced by a limited number of stations measured accurately by absolute gravimetry.
Use the CGSN to access gravity standard and metadata for both the absolute and relative networks. The interface of the passive control networks provides access to station descriptions and coordinates from the Canadian Base Network, the High Precision 3D Geodetic Network, and the vertical and horizontal control networks.Īccess height differences at benchmarks between various vertical datums including CGVD28, CGVD2013, IGLD85, local chart datum, and local Mean Water level.Ĭanadian Gravity Standardization Network (CGSN)
RINEX CONVERTER LEICA GEO OFFICE SERIES
You can download official station coordinates and view position time series for RTK networks that operate in Canada and have entered into either an RTK compliance or a data-sharing agreement with CGS. They’re used for either real-time network or single-base RTK positioning solutions. RTK networks include publicly and commercially operated RTK networks in Canada with continuously tracking GNSS receivers. Download station coordinates, metadata and GNSS observation data from the national network (CACS), as well as the regional, provincial and municipal networks whose data are distributed by CGS. They’re equipped with a high-precision, dual frequency GNSS receiver, and some also include an atomic frequency standard. Submit Receiver INdependent Exchange (RINEX) format observation data from single or dual-frequency receivers operating in static or kinematic mode over the Internet, and recover enhanced positioning precisions in the North American Datum of 1983 of the Canadian Spatial Reference System (NAD83(CSRS)) or the International Terrestrial Reference Frame (ITRF).ĬACS consists of continuously tracking GNSS stations, referred to as active control points (ACPs). It uses precise satellite orbit, clock and bias corrections derived from a global network of receivers to determine accurate user positions anywhere on the globe, regardless of proximity to reference stations. Access the tools Access the tools Canadian Spatial Reference System Precise Point Positioning (CSRS-PPP)ĬSRS-PPP is an online application for global navigation satellite systems (GNSS) data post-processing.
Learn more about each tool below to understand which one suits your needs.
The Canadian Geodetic Survey (CGS) has publicly available tools and desktop applications to help surveyors, engineers, glaciologists and other professionals calculate accurate positions on the Canadian landmass.
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