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24 Cards in this Set
- Front
- Back
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Link-11 is designated as which
of the following types of tactical data information link? |
TADIL A
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Link-11 communications can
operate with which of the following radios? |
Either HF or UHF
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When Link-11 is operated with
UHF radio, it is capable of over-the-horizon communications. |
FALSE
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Selects the HF or the UHF
transceiver. |
COMMS SWITCHBOARD
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Encrypts parallel data from the
CDS computer and passes the encrypted data to the data terminal set. |
CRYPTO DEVICE
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Correlates reported positions
of local and remote tracks. |
SOS COMPUTER
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Outputs 24-bit data words to
the security equipment via the SGS computer. |
DATA TERMINAL SET
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Which of the following
functions is performed by an antenna coupler? |
Impedance matching of the
antenna and the radio set |
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The size of an antenna is
determined by which of the following factors? |
The operating frequency
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The frequency range of an
antenna can be extended by adding which of the following factors? |
Either a capacitive or an
inductive load |
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Which of the following
functions is NOT performed by the data terminal set? |
Encrypting CDS computer data
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The data terminal set
communicates with the radio set via which of the following devices? |
The communications
switchboard |
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Which of the following
individuals is responsible for assigning primary and secondary Link-11 frequencies before the deployment of a task force? |
The task force commander
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When a Link-11 net is
established, which of the following sequences of operations should be followed to determine readiness of all units to enter the net? |
Net Sync, Net Test, roll
call |
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What Link-11 operating mode
establishes a uniform time base from which all net communications are normally initiated? |
NET SYNC
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In what Link-11 operating mode
is each picket unit interrogated, in turn, by NCS? |
ROLL CALL
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What Link-11 operating mode
provides an overall evaluation of net and equipment performance? |
NET TEST
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In what Link-11 operating mode
will one participating unit transmit data continuously to all other net members? |
BROADCAST
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In what Link-11 operating mode
are the radio set key line and data terminal audio output inhibited? |
RADIO SILENCE
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In what Link-11 operating mode
is a single data transmission sent only when the operator depresses the TRANSMIT START button? |
SHORT BROADCAST
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Net Sync continuously
broadcasts which of the following signals? |
Phase reference frames
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Which of the following
functions is NOT tested when Net Test is running? |
CDS computer to DTS
interface |
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The preamble of a Link-11
message consists of a total of how many frames? |
FIVE
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During transmission of the
preamble, the 605-Hz tone is transmitted at which of the following power levels? |
+ 6 d B
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