Browsing by Author "Gafar, Mahmoud Magdy"

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    Design and implementation of Radiosonde integrated system (Balloon Born Subsystem)
    (October university for modern sciences and arts, 2018) Gafar, Mahmoud Magdy; Eldin, Amr Emad
    A radiosonde is a meteorological instrument which, launched under a balloon, measures parameters such as pressure, temperature, humidity and wind (direction, velocity) in the atmosphere and transmits data to the ground station for further processing related to weather forecasting. This device is one time use since it is carried by the balloon that explodes at high altitude (20 Km high). Egyptian Meteorological Authority (EMA) is one of the main users and consumers of radiosonde devices. The proposed system as part of this research aims to overcome the current imported system drawbacks and weaknesses, improve performance and features, along with the economic and social benefits from the designing and implementing this device to serve and satisfy our national and regional needs. Thus, the main objective is designing and implementation of The Radiosonde Transmitter Device along with the ground station nationally in competitive cost compared to current imported systems. The main functions and algorithms of the proposed system are achieved based on GPS principle that is a high quality measurement technique that is suitable for operational sounding applications specifically in Atmospheric pressure, Wind speed and Wind direction measurements.