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Air traffic regulations do not specify the parameter of coherency for DME system ground beacons, however this attribute of signal has a large impact on possibilities of digital signal processing of the signal. For example, coherent signal might be used for Doppler frequency measurement or measurement of their immediate phase can be used for high resolution time measurement. Concerning DME this can...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.