For almost 80 years GRAW has been one of the world's leading manufacturers of radiosondes and upper air sounding systems. As one of the first companies to operate in the area of weather measuring technology we deliver more than 50,000 radiosondes per year. We develop and manufacture Upper Air Sounding Systems since 1938: radiosondes, groundstation equipment, antennas and antenna systems, GRAWMET software and accessories such as unwinder and balloon filling units. Our satisfied customers include weather services as well as renowned meteorological research institutes, universities and institutions worldwide.
As a 100% daughter of the privately run family enterprise NORIS Group GmbH, GRAW has access to more than 200 professionals worldwide. You benefit from flat hierarchies in our company, quick decisions and a worldwide service and sales network.