TU Berlin

GNSS-Fernerkundung, Navigation und PositionierungStudenten-Projekte

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Geodetic Applications with Low-cost GNSS Receiver


The basic concept of the experiment is to define the trajectory of a UAV using a low-cost GNSS receiver. In this UAV is installed a camera, a laser altimeter and one single-frequency GNSS receiver. In the future it will be used for remote sensing applications, but due to this fact, the position of the UAV must be defined very well every moment. This experiment is done in order to find the limits of the accuracy that can be achieved using a single-frequency receiver for different baselines between the rover (the UAV) and the base station. mehr zu: Geodetic Applications with Low-cost GNSS Receiver

Ground Based GNSS for Soil Moisture


Efren Lopez Nava

Soil moisture is key for understanding the flow of water and energy between the surface of the earth and atmosphere, predict floods and droughts and also optimizing agricultural management. Obtaining soil moisture data at the field scale with currently available in-situ techniques is a challenge since continuous observations are generally required and the sampling volumes are small. mehr zu: Ground Based GNSS for Soil Moisture

Ionospheric Irregularities with GNSS RO


Ankur Kepkar

GNSS radio occultation is based on satellite-satellite remote sensing technique. The general idea of this method is to track GNSS radio signal, as it passes through the Earth's atmosphere crossing Earth's limb. This weather independent method provides global data coverage, high accuracy and a high vertical resolution. mehr zu: Ionospheric Irregularities with GNSS RO



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