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197 - ATPL Question Bank in English - For DME/N on an X channel, the measured elapsed time from interrogation to reply is 2,000 microseconds, including a 50-microsecond transponder reply delay. The approximate slant range is:

Question 197 - Radio Navigation - ATPL - Airline Transport Pilot Licence

186 NM
296 NM
158 NM
330 NM

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