Monitoring device for a radio navigation system of the doppler VOR type
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United States of America Patent
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Nov 22, 1983
Grant Date -
N/A
app pub date -
Feb 18, 1981
filing date -
Feb 26, 1980
priority date (Note) -
Expired
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Abstract
A device for monitoring a Doppler VOR system emitting sinusoidal signals at a frequency of 30 Hz, one called 'reference' and the other called 'variable' whose phase varies with respect to that of the first signal, comprises at least one sensor close to the Doppler VOR system, a first processing device supplying the information emitted by the VOR system in the direction of the sensor and a second device for processing the signal received by the central antenna, said devices comprising means for separating the two upper and lower side-bands of the VHF carrier wave.
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