A high accuracy compatible DME system was tested to determine the video and indicator distance readout accuracy on the approach path to NAFEC Runway 13-31, Atlantic City Airport, New Jersey. The ground station was a Hazeltine (Model DTB), (formerly used in the now decommissioned pulse-multiplex NSME system), modified to operate at high accuracy in the normal DME frequency band. The airborne DME receiver was a high accuracy modified AVQ-70. The flight test results show the video system error and the indicator system error to be well within the plus or minus 250-foot tolerance specified by FAA Contract ARDS 585. Various design problems were investigated, the worst of which resulted in a mean shift at close ranges due to system overload. Limited tests indicated that the high accuracy DME system is compatible with the VORTAC system. (Author)
Maximum Accuracy Compatible Dme
1965
38 pages
Report
Keine Angabe
Englisch
Maximum Accuracy Compatible Dme
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