In today's rapidly evolving world, accurate and up-to-date geodetic information plays a vital role in urban planning, infrastructure development, and construction projects. Global Navigation Satellite System (GNSS) receivers have emerged as powerful tools for capturing precise geodetic data in urban-technical conditions.
Geodetic base refers to a network of reference points and measurements used to establish the precise position, elevation, and orientation of objects on Earth's surface. In urban-technical conditions, where complex and dynamic urban environments exist, maintaining an up-to-date geodetic base becomes even more crucial. An up-to-date geodetic base is not a one-time effort; it requires regular monitoring and maintenance. GNSS receivers allow for continuous monitoring of position changes in urban infrastructure due to factors like ground subsidence, seismic activities, or human interventions. By periodically re-measuring control points or reference stations, authorities can detect and address any discrepancies, ensuring the accuracy and reliability of the geodetic base. This proactive approach enables the identification of potential issues early on, preventing safety hazards and costly damages.
GNSS refers to a network of satellites that transmit signals to receivers on Earth. These signals allow the receivers to determine their precise geographic location. The most known GNSS system is the Global Positioning System (GPS). By utilizing GNSS technology, cubic meter calculations can be performed with high accuracy, especially when dealing with large areas or complex geometries.
The GNSS receiver used in the field is NavCom SF-3040 Pole-mount GNSS StarFire™ / RTK Extend™ Receiver. It provides both RTK-level accuracy up to 40 km away from the base station or stand-alone DGPS 5 cm level position accuracy anywhere in the world, any time with StarFire. The SF-3040 supports Ultra RTK™, which allows RTK accuracy (1 cm, +0.5ppm) at up to 40 km from the base station. Combined with NavCom’s industry-exclusive RTK Extend™, users can work in challenging environments and maintain RTK- level accuracy even during radio outages for up to 15 minutes.
Urban planning involves analyzing the existing infrastructure, identifying potential development areas, and making informed decisions to optimize urban spaces. Using GNSS receivers to record an up-to-date geodetic base ensures accurate positioning of urban features, such as roads, buildings, and utilities. Precise positioning data enables urban planners to create accurate base maps, conduct detailed spatial analyses, and make informed decisions for future developments. This accuracy helps optimize land usage, minimize conflicts, and foster sustainable urban growth.
Construction projects in urban areas require precise measurements for layout, alignment, and monitoring purposes. GNSS receivers provide accurate positioning data, allowing contractors and engineers to precisely mark construction boundaries, set out building foundations, and align infrastructure components. The use of GNSS receivers streamlines construction processes, reduces errors, and improves project efficiency.
Our work in the field: We received a suitable geodetic base, which shows everything that exists on the field. Also, the recording area was shown in the background, where we could see what our task was. We recorded on the field using the NavCom Sf-3040 GNSS receiver. After completing the field work, we returned to the office, where the recorded elements were mapped and added to the geodetic base, which made it up to date.
Recording an up-to-date geodetic base for urban-technical conditions using GNSS receivers is crucial for achieving accurate positioning and precise measurements. GNSS technology provides urban planners, engineers, and construction professionals with the means to capture high-precision geodetic data in complex urban environments. By ensuring accurate positioning and precise measurements, GNSS receivers facilitate efficient urban planning, optimized construction projects, and proactive monitoring and maintenance of urban infrastructure. Embracing GNSS technology for recording geodetic data lays the foundation for accurate, reliable, and future-ready urban developments.