7-A-008: Frequency Bands
7-8B1:
Which of the following systems is most susceptible to fading or static interference?
HF SITOR (NBDP)
Inmarsat
DSC on channel 70.
VHF ARQ
7-8B2:
Which system is most likely to be affected by atmospheric disturbances?
MF/HF radiotelephony
VHF DSC
Inmarsat
SafetyNETTM
7-8B3:
Which of the following systems is least susceptible to fading or static interference?
Inmarsat
HF SITOR(NBDP)
MF-HF DSC Controller
VHF ARQ
7-8B4:
Which of the following systems is least susceptible to atmospheric disturbances?
Inmarsat
NAVTEX
MF SITOR (NBDP)
HF SITOR (NBDP)
7-8B5:
Which of the following frequency bands would most likely provide reliable communications between two stations that are 100 miles (160 km) apart?
The Medium Frequency (MF) band.
The Low Frequency (LF) band.
The High Frequency (HF) band.
The Very High Frequency (VHF) band.
7-8B6:
Which system has the least effective radius of operation?
VHF DSC
HF SITOR (NBDP)
MF SITOR (NBDP)
NAVTEX
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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