New RIEGL VQ-820-G Provides High-Accuracy Ranging for Land and Hydrographic Airborne Surveying
The RIEGL VQ-820-G Hydrographic Airborne Laser Scanner, especially designed and excellently suited for combined land and hydrographic airborne surveying. The high-accuracy ranging is based on echo digitization and online waveform processing with multiple target capability. Laser range measurements for high resolution surveying of underwater topography, the bottom of shallow waters and riverbeds, are carried out with a narrow, visible green laser beam at 532 nm, emitted from a powerful laser source. Depending on water turbidity this particular laser wavelength allows measuring into water.
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