Radiosonde is one of the high technologi tools and useful for aeronautical. In radiosonde have several censor like air temperature, air pressure, air damp, vapor point, direction and air speed. Data from measure result will be receive by supervise station in earth surface. | Radiosonde transmitter meisei iMS-100 study as observation on air at meteorology station Klas I Depati amir Pangkalpinang