GMDSS Quiz 2 || Solved Correctly.
What is the frequency range for Medium Frequency? correct answers 300-3,000 kHz
What is the frequency range for High Frequency? correct answers 3-30 MHz
What is the frequency range for Very High Frequency? correct answers 30-300 MHz
What is the frequency range for Ultra High Frequency? correct answers 300-3,000 MHz
What is the frequency range for Super High Frequency? correct answers 3-30 GHz
What is the primary frequency range for terrestrial communications using skywave propagation?
correct answers 3-30 MHz
Which of the following systems is most susceptible to fading or static interference? correct
answers HF SITOR (NBDP)
Which system is most likely to be affected by atmospheric disturbances? correct answers MF/HF
radiotelephony
Which of the following systems is least susceptible to fading or static interference? correct
answers Inmarsat
Which of the following systems is least susceptible to atmospheric disturbances? correct answers
Inmarsat
Which of the following frequency bands would most likely provide reliable communications
between two
stations that are 100 miles (160 km) apart? correct answers The Medium Frequency (MF) band.
, Which system has the least effective radius of operation? correct answers VHF DSC
What statement best describes modulation? correct answers Imposing intelligence onto a radio
carrier signal.
What statement best describes demodulation? correct answers Extracting intelligence from the
radio carrier signal.
Which statement best describes amplitude modulation? correct answers The amplitudes in the
sideband(s) changes but the radio carrier frequency remains constant.
What is the emission designation for MF-HF voice signals? correct answers J3E
Which statement best describes frequency modulation? correct answers The information signal
changes the radio carrier frequency but the amplitude remains constant
What is the emission designation for VHF-FM? correct answers F3E
Which of the following statements describes the carrier? correct answers The carrier is a Radio
Frequency (RF) signal that is modulated to carry intelligence.
On what frequencies would the J3E emission be used for GMDSS Distress communications?
correct answers 2182.0 kHz, 16420.0 kHz or 8291.0 kHz.
How many sidebands are present in the J3E mode? correct answers One upper sideband.
What is the signal transmitted in H3E mode? correct answers A full carrier and the upper
sideband.
What is the frequency range for Medium Frequency? correct answers 300-3,000 kHz
What is the frequency range for High Frequency? correct answers 3-30 MHz
What is the frequency range for Very High Frequency? correct answers 30-300 MHz
What is the frequency range for Ultra High Frequency? correct answers 300-3,000 MHz
What is the frequency range for Super High Frequency? correct answers 3-30 GHz
What is the primary frequency range for terrestrial communications using skywave propagation?
correct answers 3-30 MHz
Which of the following systems is most susceptible to fading or static interference? correct
answers HF SITOR (NBDP)
Which system is most likely to be affected by atmospheric disturbances? correct answers MF/HF
radiotelephony
Which of the following systems is least susceptible to fading or static interference? correct
answers Inmarsat
Which of the following systems is least susceptible to atmospheric disturbances? correct answers
Inmarsat
Which of the following frequency bands would most likely provide reliable communications
between two
stations that are 100 miles (160 km) apart? correct answers The Medium Frequency (MF) band.
, Which system has the least effective radius of operation? correct answers VHF DSC
What statement best describes modulation? correct answers Imposing intelligence onto a radio
carrier signal.
What statement best describes demodulation? correct answers Extracting intelligence from the
radio carrier signal.
Which statement best describes amplitude modulation? correct answers The amplitudes in the
sideband(s) changes but the radio carrier frequency remains constant.
What is the emission designation for MF-HF voice signals? correct answers J3E
Which statement best describes frequency modulation? correct answers The information signal
changes the radio carrier frequency but the amplitude remains constant
What is the emission designation for VHF-FM? correct answers F3E
Which of the following statements describes the carrier? correct answers The carrier is a Radio
Frequency (RF) signal that is modulated to carry intelligence.
On what frequencies would the J3E emission be used for GMDSS Distress communications?
correct answers 2182.0 kHz, 16420.0 kHz or 8291.0 kHz.
How many sidebands are present in the J3E mode? correct answers One upper sideband.
What is the signal transmitted in H3E mode? correct answers A full carrier and the upper
sideband.
