ATSEp NavAids (DME, DVOR, SBS, OBN)
Correct answers latest update
b. interrogator
DME airborne equipment is also called
a. transponder
b. interrogator
c. transmitter
d. receiver
a. transponder
DME ground equipment is called
a. transponder
b. interrogator
c. transmitter
d. receiver
c. both a & b
Transponder equipment consist of
a. transmitter
b. receiver
c. both a & b
d. none of the above
c. 1 NM
12.36 us time in DME is equivalent to
a. 2 NM
b. one way trip distance
c. 1 NM
d. none of the above
b. 126
The total channel for interrogation is
a. 63
b. 126
c. 252
d. none of the above
c. 36
Pulse spacing for Y-channel interrogation in microseconds
a. 12
b. 30
c. 36
d. 24
d. both a & b
7. DME transponders are collocated with VOR with respect to
a. frequency
b. identification
c. power
d. both a & b
, b. increases
As the distance to DME station decreases, the slant range error
a. remains constant
b. increases
c. decreases
d. is insignificant
c. both a & b
The time as measured between the 90 and 10 percent amplitude points
of the pulse
a. rise time
b. decay time
c. both a & b
d. pulse duration
b. pulse spacing
The time interval between the 50% amplitude points on the leading
edges of the pulses
a. pulse duration
b. pulse spacing
c. pulse width
d. none of the above
b. PRF
Is the frequency which each pulse pair has
a. PPS
b. PRF
c. PFR
d. none of the above
b. search mode
The condition which exists when the interrogator is attempting to
acquire and lock onto the response to its own interrogations.
a. track mode
b. search mode
c. PRF
d. none of the above
c. duty cycle
The time the transmitter is activated to send reply pulses
a. track mode
b. reply to interrogation
c. duty cycle
d. one cycle per second
d. all of the above
The transmitter is unloaded in the remaining 98.1 % of the time means
a. no reply
b. receive interrogation
Correct answers latest update
b. interrogator
DME airborne equipment is also called
a. transponder
b. interrogator
c. transmitter
d. receiver
a. transponder
DME ground equipment is called
a. transponder
b. interrogator
c. transmitter
d. receiver
c. both a & b
Transponder equipment consist of
a. transmitter
b. receiver
c. both a & b
d. none of the above
c. 1 NM
12.36 us time in DME is equivalent to
a. 2 NM
b. one way trip distance
c. 1 NM
d. none of the above
b. 126
The total channel for interrogation is
a. 63
b. 126
c. 252
d. none of the above
c. 36
Pulse spacing for Y-channel interrogation in microseconds
a. 12
b. 30
c. 36
d. 24
d. both a & b
7. DME transponders are collocated with VOR with respect to
a. frequency
b. identification
c. power
d. both a & b
, b. increases
As the distance to DME station decreases, the slant range error
a. remains constant
b. increases
c. decreases
d. is insignificant
c. both a & b
The time as measured between the 90 and 10 percent amplitude points
of the pulse
a. rise time
b. decay time
c. both a & b
d. pulse duration
b. pulse spacing
The time interval between the 50% amplitude points on the leading
edges of the pulses
a. pulse duration
b. pulse spacing
c. pulse width
d. none of the above
b. PRF
Is the frequency which each pulse pair has
a. PPS
b. PRF
c. PFR
d. none of the above
b. search mode
The condition which exists when the interrogator is attempting to
acquire and lock onto the response to its own interrogations.
a. track mode
b. search mode
c. PRF
d. none of the above
c. duty cycle
The time the transmitter is activated to send reply pulses
a. track mode
b. reply to interrogation
c. duty cycle
d. one cycle per second
d. all of the above
The transmitter is unloaded in the remaining 98.1 % of the time means
a. no reply
b. receive interrogation
