Graw Radiosondes is a family-run company with a proud tradition and a focus on constant innovation. Since our foundation in 1938, we have placed great value on the people who shape and drive our company. Graw Radiosondes' employees are at the heart of our success - their dedication and creativity inspire us to keep setting new standards in the industry. Discover our milestones and find out what we have achieved and developed over the decades.
Founding of the company ‘Dr. GRAW Messgeräte’ in Berlin, Germany by the physicist Dr. Josef Graw
Dr. Graw developed and patented the key component of the radiosonde, the Graw morse encoding cylinder; by this invention, the measurement precision was improved.
Relocation of the company to Nuremberg, Germany.
Development of the radiosondes H50 and M60 for German Weather Service M60 pushed Graw Radiosondes to an international leading position in terms of accuracy and robustness
Mr. Horst Schmidmer (owner of the Noris Group GmbH) took over all shares of Dr. Graw.
License production of radiosonde RSG for German Weather Service and E076 for German Army.
Introduction of the radiosondes E084 and E085 for German Army.
Start of completely computer-controlled production and calibration.
Introduction of the mini radiosonde system TDFS / KS-87 for measurements in lower heights.
Development of the first purely digital radiosonde DFM-90 and groundstation GK-90.
Start of Surface Mounted Technology (SMT) to increase productivity.
Development of the first GPS radiosonde DFM-90 DGPS.
Development of the compact groundstation GK-90C with GPS module.
Development of the optimised GPS radiosonde DFM-97.
Company was renamed to "Graw Radiosondes GmbH & Co. KG".
Graw Radiosondes starts development on the GPS radiosonde DFM-06.
Graw Radiosondes introduces the DFM-06 radiosonde and wins major customers.
Market launch of the first desktop version of the groundstation GS-E.
With the DFM-09 radiosonde, Graw Radiosondes introduces one of the smallest and lightest radiosondes at this time.
Market launch of the resilient and fully splash-proof groundstation GS-B for extreme conditions.
Market launch of the first version of the GS-U groundstation for mobile use.
New building established for expansion of production, quality management and warehouse logistics.
Development of grawGo mobile App for online monitoring of groundstations.
With the DFM-17, Graw Radiosonde succeeded in bringing one of the smallest, lightest and most successful radiosondes to market in the world.
Development of the following products: the GS-I groundstation, the multiSonde system, the software grawMet X and ‘Sounding Center’.
Cooperation with LicuSpace GmbH – an innovative German company for the development and production of highly innovative lidar products for atmospheric measurement.
