Upper Air Sounding Systems

GRAW is your premier partner for meteorological measuring systems. For almost 80 years, GRAW have developed and manufactured high quality radiosondes and groundstations in Germany. GRAW offer a full line of upper air equipment including state of the art radiosondes, software (GRAWMET), antenna systems and balloon filling units. The company's strong commitment to customer support and dedication to the overall satisfaction of their customers is what elevates GRAW above other radiosonde suppliers.

Following are some of GRAW's product highlights at a glance.

The Radiosonde DFM-09 - extremely light, small and robust, measurement of pressure, temperature, humidity and wind, reliable and precise measurement in all atmospheric layers, large range due to the use of latest telemetry technology, easy handling for daily soundings, and optional XDATA interface for external sensors.

The Groundstation GS-U - fully waterproof for harsh environments, small and light weight with integrated battery pack, ideal for portable / mobile applications, full-range receiver, 100% software controlled groundstation, easy and intuitive operation, and connection to standard PC via USB cable. 

The Pilotsonde PS-15 - Small and extremely light (49 g), wind-detection by GNSS, data transmission in 400 MHz band, and optional XDATA interface for external sensors.