Development and Evaluation of a Double Sideband Doppler VOR System with High Level Reference Modulation.
Final rept. Nov 62-May 71,
NATIONAL AVIATION FACILITIES EXPERIMENTAL CENTER ATLANTIC CITY NJ
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The report describes the development and evaluation of an improved Doppler VOR System which will provide improvement of receiver compatibility with existing receiving equipment and reduction of station bearing error with some additional reduction of siting effects and a reduction of counterpoise size. A new method of providing the 30 Hz amplitude modulation of the carrier, applicable to either the present Single Sideband or the Double Sideband Doppler VOR System for increased carrier power is also described. Author
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