GPSnät

GPSnät refers to a network of permanently installed GPS receivers used for precise positioning and navigation. These networks, often operated by governmental agencies or specialized companies, continuously collect data from GPS satellites. The primary purpose of a GPSnät is to provide highly accurate and reliable real-time or post-processing positioning services over a wide geographical area.

The stations within a GPSnät are strategically located to ensure optimal coverage and data quality. Each station typically consists of a geodetic-grade GPS antenna and receiver, along with associated hardware for data logging and transmission. These stations form the backbone of the network, allowing for the establishment of a common reference frame and the correction of atmospheric and satellite-induced errors.

By utilizing the data from a GPSnät, users can achieve centimeter-level accuracy, far surpassing the typical accuracy of standalone GPS devices. This precision is crucial for a variety of applications, including surveying, mapping, geodesy, construction, precision agriculture, and scientific research. The network enables the calculation of precise coordinates for points on the Earth's surface, supporting infrastructure projects and environmental monitoring.

Access to GPSnät data is typically provided through subscription services or public portals. Users can connect to the network using their own GPS receivers to obtain real-time corrections or download raw data for post-processing. The continuous operation and maintenance of these networks are essential for ensuring the ongoing availability and reliability of high-accuracy positioning services.