ASSIGNMENT 3
Textbook Assignment: “The Link-11 System,” chapter 4, pages 4-1 through 4-18.
3-1.
Link-11 is designated as which
of the following types of
tactical data information link?
1. TADIL A
2. TADIL C
3. TADIL J
4. Teletype
3-2.
Link-11 communications can
operate with which of the
following radios?
1.
HF only
2.
UHF only
3.
Either HF or UHF
4.
VHF only
3-3.
When Link-11 is operated with
UHF radio, it is capable of
over-the-horizon
communications.
1.
True
2.
False
A. CDS Digital Computer
B. SGS Computer
C. Cryptographic Device
D. Data Terminal Set
E. Communications Switchboard
F. Radio Set
Figure 3A.
IN ANSWERING QUESTIONS 3-4 THROUGH
3-11, SELECT FROM FIGURE 3A THE
EQUIPMENT THAT PERFORMS THE FUNCTION
DESCRIBED IN THE QUESTION. ITEMS IN
THE LIST MAY BE USED MORE THAN ONCE.
3-4.
Selects the HF or the UHF
transceiver.
1. B
2. C
3. D
4. E
3-5.
Encrypts parallel data from the
CDS computer and passes the
encrypted data to the data
terminal set.
1. A
2. B
3. C
4. D
3-6.
Correlates reported positions
of local and remote tracks.
1. A
2. B
3. C
4. D
3-7.
Outputs 24-bit data words to
the security equipment via the
SGS computer.
1. A
2. B
3. C
4. D
3-8.
Multiplexes and modulates
parallel data into audio tones.
1. A
2. B
3. C
4. D
3-9.
Receives the audio tone package
from the data terminal set and
transmits the tones.
1. C
2. D
3. E
4. F
3-10.
Demodulates the audio tones and
checks the six hamming bits for
transmission errors.
1. A
2. B
3. C
4. D
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