Milestones
1938 | Founding of the company Dr. GRAW Messgeräte in Berlin, Germany by the physicist Dr. Josef Graw |
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1942 | Dr. Graw developed and patented the key component of the radiosonde, the Graw morse encoding cylinder; by this invention, the measurement precision was greatly improved | |
1948 | Relocation of the company to Nuremberg, Germany | |
1948 | Development of the radiosondes H50 and M60 for German Weather Service | |
1976 | Mr. Horst Schmidmer (owner of the NORIS Group GmbH) took over all shares of Dr. Graw | |
1976 | License production of radiosonde RSG for German Weather Service and E076 for German Army | |
1977 | Introduction of the radiosondes E084 and E085 for German Army | |
1978 | Start of completely computer-controlled production and calibration | |
1986 | Introduction of the mini radiosonde system TDFS / KS-87 for environmental monitoring in lower heights | |
1990 | Start of Surface Mounted Technology (SMT) to increase productivity | |
1990 | Development of the first purely digital radiosonde DFM-90 and groundstation GK-90 | |
1995 | Development of the first GPS radiosonde DFM-90 DGPS | |
1995 | Development of the compact groundstation GK-90C with GPS module | |
1998 | Development of the optimised GPS radiosonde DFM-97 | |
2003 | Company is renamed "GRAW Radiosondes GmbH & Co. KG" | |
2004 | Development starts on the GPS radiosonde DFM-06 | |
2006 | Market launch of the radiosonde DFM-06 | |
2008 | Market launch of groundstation GS-E | |
2010 | Market launch of the radiosonde DFM-09 | |
2012 | Market launch of the resilient and fully splash-proof groundstation GS-B for extreme conditions | |
2015 | Market launch of the groundstation GS-U | |
2016 | Market launch of the pilotsonde PS-15 | |
2017 | New building established for expansion of production, quality management and warehouse logistics | |
2018 | Development of GRAWgo cloud solution | |
2019 | Market launch of the radiosonde DFM-17 |
