Task II, Improved DVOR Low Level Receiver Maintenance Simulation.
Final rept. Apr 71-Apr 72,
NATIONAL AVIATION FACILITIES EXPERIMENTAL CENTER ATLANTIC CITY NJ
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The report discusses system performance with Single Sideband Doppler VOR SSDVOR and Double Sideband Doppler VOR DSDVOR as indicated by low level or receiver maintenance through simulation of detuned intermediate frequency amplifier stages. The simulation was accomplished by shifting the carrier frequency of the Doppler VOR transmitter. Indicated bearing error on 10 VOR receivers was recorded during tests at the National Aviation Facilities Experimental Center. Based on the simulation test results it was concluded that the DSDVOR system provides less course error than the SSDVOR system, and that careful alignment of the receiver on the particular DVOR channel frequency minimizes course error. Author
- Air Navigation and Guidance