What is the time gap between each pulse in an interrogation pulse pair

1.	What is the time gap between each pulse in an interrogation pulse pair for a DME?
A.	12‚âà√≠¬¨‚à´sec
B.	5‚âà√≠¬¨‚à´sec
C.	15‚âà√≠¬¨‚à´sec
D.	10‚âà√≠¬¨‚à´sec
Answer» B. 5‚âà√≠¬¨‚à´sec

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