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Technology in Focus: GNSS Receivers

GNSS has now been operational in the surveying industry, and especially in hydrography, for more than 25 years. Where the first receivers such as the Sercel NR103 (once the workhorse of the industry) boasted 10 parallel GPS L1 channels, current receiver technology has evolved to multi GNSS, multi-channel and multi-frequency solutions. In this article, we will look at the current state of affairs and try to identify the areas where development can be expected in the years to come. In hydrography, we can distinguish between ‘land use’... (read more)
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Cover Hydro International Magazine May June 2016