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9-39.
9-40.
9-41.
9-42.
9-43.
9-44.
A total of how many major
components make up the SATNAV?
1.
Five
2.
Six
3.
Three
4.
Four
A total of how many operational
satellites are in use for the
Navstar GPS navigation system?
1.
18
2.
20
3.
21
4.
24
How many total satellites make up
the Navstar GPS navigation system?
1.
18
2.
21
3.
24
4.
27
When using the Navstar GPS a
minimum of how many satellites are
in-view of any user?
1.
Five
2.
Two
3.
Three
4.
Four
What is the accuracy of the
AN/WRN-6(V) in the encrypted mode?
1.
100 meters
2.
100 yards
3.
16 meters
4.
16 yards
A typical surface radar is made up
of how many components?
1.
Nine
2.
Seven
3.
Three
4.
Five
9-45.
Which of the following is a basic
principle of radar operation?
1.
The antenna receives pulses
transmitted by shore stations
2. Radio waves are reflected from
solid objects
3.
Transmitting high power will
burn through interference
4. The antenna will pick up any
change in the magnetic field of
an object
9-46.
9-47.
9-48.
9-49.
9-50.
9-51.
9-52.
58
When obtained by radar, which of
the following navigational fixes
is most accurate?
1.
Range and bearing to a single
object
2.
Two ranges on two different
objects
3. Two bearings to a single object
4.
Two ranges to a single small
object
What component of a radar system
provides a bird's-eye view of the
area covered?
1.
Modulator
2.
Receiver
3. Transmitter
4.
PPI
On a radar scope, what indicates
the sweep?
1. A bright line
2. A bright spot
3. A green line sweeping through
360°
4.
A variable bright ring
In what increments is range
measured on a radar scope?
1.
Feet
2.
Yards only
3.
Miles only
4.
Yards or miles
On a radar scope, what indicates
the bearing cursor?
1.
A bright line
2.
A bright spot
3.
A green line sweeping through
360°
4.
A variable bright ring
If your ship has a gyro failure,
what type of bearings would you
read from the PPI?
1.
Apparent
2.
Magnetic
3.
Relative
4.
True
Range is determined on a radar
scope by placing the strobe on what
position of the target?
1. Middle
2.
Leading edge
3.
Trailing edge
4.
Right side
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