2-21.
In modes 1 through 6, what are
the uplink and downlink
frequency bands used in Fleet
Satellite Broadcast?
1.
Hf; shf
2.
Uhf; hf
3.
Uhf; shf
4.
Shf; uhf
2-22.
What system do subscribers use
to receive Fleet Satellite
Broadcast?
1.
AN/BRA-1
2.
AN/FRT-1
3.
AN/SSR-1
4.
AN/VRC-1
2-23.
What is the minimum number of
broadcast channels that NAVMACS
guards automatically?
1.
One
2.
Two
3.
Three
4.
Four
2-24.
What is the bandwidth (in kHz)
of the satellite channels
allocated to CUDIXS/NAVMACS?
1. 10
2. 15
3. 20
4. 25
2-25.
What term is associated with a
submarine commander’s ability
to receive messages via
satellite at scheduled
intervals?
1.
Group broadcasts
2.
Interval broadcasts
3.
Network broadcasts
4.
Timed broadcasts
2-26.
Secure voice uses digitized
voice with a 3-kHz voice
channel. What type of voice
modulation does this describe?
1.
Multiband
2.
Narrowband
3.
Singleband
4.
Wideband
2-27.
When using Secure Voice, a ship
must contact what authority
before initiating
communications with a shore
command?
1.
Fleet controller
2.
Group controller
3.
Net controller
4.
Voice controller
2-28.
Which of the following is a
subsystem specifically designed
for special intelligence
communications?
1.
OTCIXS
2.
TADIXS
3.
TACINTEL
4.
FLTSATCOM
2-29.
TADIXS-equipped surface ships
and submarines operate in what
mode(s)?
1.
Receive only
2.
Transmit only
3.
Transmit and receive
2-30.
What subsystem is used in
conjunction with TADIXS to
transmit OTH-T data from the
fleet to other ships and shore
commands?
1.
OTCIXS
2.
SSIXS
3.
TACINTEL
4.
FLTSATCOM
2-31.
Because the reception of TADIXS
information by a ship does not
require an acknowledgement, the
ship can l operate in what type
of environment and still
receive message traffic?
1.
Emission control
2.
Emission quiet
3.
Transmit control
4.
Transmit quiet
2-32.
What system was developed to
multiplex several users on one
25-kHz satellite channel?
1. MSAS
2. DAMA
3. VINSON
4. NCTAMS
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