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A legal survey that establishes and documents the exact boundaries, dimensions, and improvements of a property parcel based on recorded deed descriptions and field measurements.

QGIS is a free, open-source Geographic Information System software that enables surveyors and GIS professionals to capture, analyze, and visualize spatial data from various sources.

A specialized surveying discipline that establishes precise horizontal and vertical control along railway corridors to support design, construction, and maintenance of rail infrastructure.

Random error is an unpredictable deviation in measurement results caused by uncontrollable variables that affects surveying accuracy equally in all directions.

A range pole is a straight, slender surveying rod, typically 2 meters long, marked with alternating colored bands and used to establish sight lines and mark survey points in the field.

A GNSS surveying method that combines the accuracy of static positioning with reduced observation times, typically requiring 5-30 minutes of data collection depending on baseline length and satellite geometry.

Raster data is a digital image format composed of a grid of pixels or cells, each containing a single value representing geographic or spatial information used in surveying and mapping applications.

Unprocessed measurements and observations collected directly from surveying instruments in the field before adjustment, analysis, or conversion to final coordinates.

A mathematical model of Earth's shape used as a reference surface for geodetic measurements and coordinate system definitions in surveying.

A reflective target is a surveying accessory featuring retroreflective material designed to enhance the accuracy and range of electronic distance measurement instruments by returning light signals to their source.

Reflectorless EDM measurement is an electronic distance measurement technique that calculates distances by analyzing the intensity and return time of infrared light reflected from natural surfaces, eliminating the need for reflective prisms.

Reflectorless measurement is a surveying technique that uses infrared light to measure distances directly to natural surfaces without requiring a prism or reflector target.

Remote sensing is the science and technology of obtaining information about objects or areas on Earth's surface without physical contact, using satellite imagery, aerial photography, and sensor data.

Resection is a surveying method that determines the position of an unknown point by measuring angles from that point to three or more known reference points.

Revit Survey Integration is the process of importing and linking surveying data from field instruments into Autodesk Revit BIM software to establish accurate site coordinates and ground conditions for architectural and construction projects.

A right of way survey is a specialized land surveying procedure that establishes, documents, and marks the legal boundaries and physical extent of property rights granted for public or private passage, utilities, or infrastructure corridors.

RiSCAN PRO is advanced scanning software that processes and manages 3D laser scan data from terrestrial and mobile scanning systems for surveying and mapping applications.

Root Mean Square (RMS) is a statistical measure used in surveying to quantify the magnitude of measurement errors and assess the accuracy of survey data by calculating the square root of the average of squared deviations.

Root Mean Square Error (RMSE) is a statistical measure used in surveying to quantify the accuracy of measurements by calculating the square root of the average of squared differences between observed and true values.

A specialized surveying process that determines the horizontal and vertical alignment, dimensions, and physical characteristics of roads and transportation corridors for design, construction, and maintenance purposes.

A motorized surveying instrument that automatically tracks and measures distances and angles to a reflective prism, enabling remote operation and increased efficiency in field surveying.

Real-Time Kinematic positioning is a satellite-based surveying technique that provides centimeter-level accuracy by transmitting GPS/GNSS corrections in real-time to a rover receiver.

RTK drone surveying is an advanced geospatial method combining unmanned aerial vehicles with Real-Time Kinematic positioning technology to achieve centimeter-level accuracy in mapping and surveying applications.

Real-time kinematic GNSS positioning is a surveying technique using satellite signals and ground-based correction stations to achieve centimetre-level accuracy in real-time field measurements.

A real-time, centimeter-level GNSS correction service that delivers precise positioning data through internet connectivity, eliminating the need for local reference stations in surveying operations.

A satellite constellation is a coordinated system of multiple satellites orbiting Earth that work together to provide continuous global coverage for positioning, navigation, and surveying applications.

A satellite-based augmentation system that enhances the accuracy and integrity of GNSS positioning by transmitting correction signals and system status information to ground receivers.

A numerical correction applied to surveying measurements to account for the difference between ground distances and map or grid distances due to map projection, elevation, or instrument calibration effects.

Scan resolution is the precision and fineness of detail at which a 3D laser scanner or imaging device captures spatial data points during surveying operations.

Scan to BIM is a surveying and modelling process that converts point cloud data from laser scanning into structured Building Information Models for design, construction, and facility management.

Scanner Field of View (FOV) is the angular extent or total area that a surveying scanner can detect and measure from a single instrument position.

Scanner range accuracy is the degree of precision with which a laser scanner measures the distance from the instrument to surveyed objects or terrain surfaces.

Structure from Motion is a photogrammetric technique that reconstructs three-dimensional models and spatial data from multiple overlapping photographs taken from different positions without requiring direct distance measurements.

Shapefile format is a geospatial vector data structure developed by Esri that stores geometric location and attribute information for surveying and mapping data in a set of related files.

Spatial resolution is the ability of a surveying instrument or sensor to distinguish and precisely locate individual objects or features at the smallest measurable distance on the Earth's surface.

A surveying procedure that establishes and marks the precise locations of planned structures, utilities, or property boundaries on the ground by transferring design coordinates to physical points.

A surveying methodology that quantifies measurement precision and accuracy by calculating the statistical dispersion of repeated observations around their mean value.

A coordinate system that divides the United States into zones, projecting latitude and longitude onto a flat plane to provide accurate local surveying and mapping measurements.

A surveying method using stationary GNSS receivers at fixed locations to determine precise coordinates through extended observation periods.

A specialized surveying discipline that uses precision measurement techniques to detect, quantify, and document structural movements, deformations, and settlements in buildings, bridges, dams, and infrastructure over time.

Structure from Motion (SfM) is a photogrammetric technique that reconstructs three-dimensional models and spatial data from a series of overlapping two-dimensional images captured from different viewpoints.

A subdivision survey is a detailed land survey that divides a parcel of real property into smaller lots, creating legal boundaries and establishing lot lines for residential, commercial, or industrial development.

Survey accuracy standards are established specifications and tolerances that define the acceptable levels of precision and error in surveying measurements and deliverables.

A survey blunder is a significant error in surveying measurements caused by mistakes in procedure, instrument misuse, or faulty judgment that renders survey data unreliable and typically requires re-measurement.

A portable electronic device that automatically records and stores measurement data from surveying instruments during fieldwork operations.

A rechargeable or disposable power source that supplies electrical energy to surveying instruments such as total stations, GNSS receivers, and laser levels during field operations.

Survey metadata comprises descriptive information about surveying projects, including data collection methods, equipment specifications, accuracy standards, dates, locations, and personnel details that ensure data integrity and reproducibility.

A permanent or semi-permanent physical marker installed at a surveyed point to establish and preserve the location of property boundaries, control points, or reference stations for future surveying work.

A wireless communication device that transmits surveying data between field instruments and base stations using radio frequency technology.

Survey redundancy is the inclusion of excess measurements beyond the minimum required to determine a position, ensuring accuracy verification and error detection in surveying operations.