1–35.
You are initializing the AN/SRN–
19(V)2.
In addition to programing
the set’s position, what other
parameter must you enter?
1.
Antenna height
2.
Ship’s length
3.
Usable power
4.
Cabling length
1–36.
What navigational system will
replace the NNSS?
1.
NAVSTAR GPS
2.
OMEGA MK2
3.
LORAN D
4.
NNSS MK2
1-37.
Which of the following terms
describe GPS satellite positioning
data?
1.
Update and status
2.
Variable and fixed
3.
Daily and hourly
4.
Almanac and ephemeris
1–38.
How often is the GPS satellite
navigation data message updated?
1.
Every hour
2.
Every 12 hours
3.
Every 24 hours
4.
Every 36 hours
1–39.
What facility transmits the data
required to update the GPS
satellite navigation data message?
1.
Manned control center
2.
Manned tracking station
3.
Unmanned monitor station
4.
Unmanned injection station
1-40.
There are how many (a) active spare
and (b) active operational GPS
satellites?
1.
(a) 21 (b) 3
2.
(a)
3 (b) 21
3.
(a) 3 (b) 24
4.
(a) 24 (b) 21
1–41.
How many earth orbits will each GPS
satellite complete in a 24–hour
period?
1.
One
2.
Two
3.
Three
4.
Four
1–42.
What communications technique is
used for GPS satellite broadcasts?
1.
Spontaneous–emission
2.
Spread–spectrum
3.
Standard–broadcast
4.
Spectral–emission
1–43.
GPS satellites are positioned so a
minimum of how many satellites are
observable to a user anywhere on
earth?
1.
One
2.
Two
3.
Three
4.
Four
1–44.
Which of the two codes (C/A and P)
transmitted by GPS satellites is
NOT available to civilian users?
1.
Course acquisition code
2.
Precise code
1–45.
Which of the following data is
NOT included in the GPS NAV–msg?
1.
Clock–bias
2.
Correction data
3.
Ephemeris
4.
Spectral
l-46.
GPS navigation is based on what
principle?
1.
Satellite ranging
2.
Satellite speed
3.
Satellite broadcast
4.
Satellite response
1–47.
Within how many feet can GPS
determine position fixes?
1.
50
2.
250
3.
500
4.
1000
4
