5-21. On a basic PPI display, any echo that is undesirable or that prevents the
controller from observing aircraft is called __________.
A.
clutter
B.
clusters
C.
litter
D.
scatter
5-22. What circuit of a RADAR assures that targets appear with equal intensity
regardless of range variation?
A.
STC
B.
FTC
C.
ETC
D.
MTI
5-23. What circuit tunes the receiver if it should drift off frequency?
A.
FTC
B.
AFC
C.
STC
D.
MTI
5-24. Which Standard Terminal Automation Replacement System (STARS) provides
an environment that supports upgrades and modifications and is tasked with
distributing software and adaptation data to operational sites?
A.
Operational Support Facility (OSF)
B.
STARS Central Support Complex (SCSC)
C.
STARS Operational Sites (SOS)
D.
ATCoach
5-25. The following is not a functions of the ATC RADAR beacon system?
A.
reinforcing RADAR targets
B.
rapidly identifying targets
C.
transmitting altitude data
D.
displaying weather information
5-26. Which ATCRBS mode is the civil and military air traffic control mode?
A.
A
B.
B
C.
C
D.
D
ASSIGNMENT Questions-49