As the first large scale application for high accuracy GNSS technology, land surveying plays a very important role in making the technology popular. Most of the ComNav Technology R&D engineers are from land surveying GNSS industry and they got the full knowledge of offering “accurate” solutions to those land surveyors. SinoGNSS high accuracy GNSS OEM boards have been adopted by the world’s large GNSS manufacturers and have already been proved by the market.