Meteomodem is company that specialized in the field of Upper-air observation, and more specifically in the domain of radio sounding. It is one of the radiosonde manufacturers and a major player in this specific business. Meteomodem is using radiosondes on a daily basis (Once or twice a day depending on their means). As a world reference in this niche market of radio sounding. Meteomodem is developing, diversifying its activities and skills to other domains in meteorology and climatology.