Microprocessor based radiosonde

Details Microprocessor based radiosonde Microprocessor based radiosonde

1982-03-09

1984-11-06

Groody, James J.

Communications: electrical

Continuously variable indicating

Using a particular modulation

73170R, 34087013, 34087038, 455 95, 455 98, 455128, C08C 1916, C08C 1700

Patent

active

044815140

ABSTRACT:
A radiosonde for measuring atmospheric parameters, such as pressure, temperature, and humidity, includes a microprocessor interfaced with an analog-to-digital converter, which, in turn, receives sequential input signals representing the sensed atmospheric parameters, and converts those signals to corresponding digital data. This digital data is processed in the microprocessor, and applied as a digital data stream to an RF transmitter from where the data is transmitted to a remote ground processing station. A flap member on the radiosonde housing, which is movable between an open and a closed position in response to air flow, cooperates with a switch to provide a signal to the microprocessor indicating the launch and descent of the radiosonde. A preset input to the microprocessor is provided to automatically terminate transmission of meteorological data when the radiosonde has reached a predetermined altitude.

REFERENCES:
patent: 2418836 (1947-04-01), Hawes
patent: 2939127 (1960-05-01), Graw
patent: 4295139 (1981-10-01), Arpino
patent: 4322728 (1982-03-01), Ginn

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