Portal:Weather/On this day list/January 30/1
1930: The first radiosonde was launched in Pavlovsk, USSR by Pavel Molchanov, sending weather data from high in the atmosphere to the Leningrad Weather Bureau and Moscow Central Forecast Institute.
1930: The first radiosonde was launched in Pavlovsk, USSR by Pavel Molchanov, sending weather data from high in the atmosphere to the Leningrad Weather Bureau and Moscow Central Forecast Institute.