DME Flashcards
1
Q
DME BAND AND FREQ
A
UHF 960 -1215MHZ (1000MHz is typical)
2
Q
How does DME not reply to incorrect aircraft
A
Jittering is used to identify correct aircraft. only Aircraft with the same jittering pattern are replied to.
3
Q
Formula for Slant range vs Ground distance
A
D = SQR (S^2 - A^2)
4
Q
Too many aircraft interogating DME
A
DME will desensitized and reply to strongest signals.
5
Q
DME in tracking mode that has a reduction in signal strength will?
A
Switch to Memory Mode
6
Q
Range Error tolerance?
A
+-0.25 NM plus 1.25%
