Coast Guard - Communications
(AUXCOM) latest exam review 2026
A single complete reversal of an alternating current. - correct answer ✅ Cycles
✅
The number of cycles per second of an alternating current. - correct answer
Frequency
One ____ equals one cycle per second. - correct answer ✅ Hertz (Hz)
radio. - correct answer ✅
These units of frequency measurement honor Heinrich Hertz, an early pioneer of
Radio Frequency Spectrum
Very High Frequency (VHF) - correct answer ✅ 30 to 300 MHz
What is the typical use of VHF? - correct answer ✅ TV, FM broadcasts, air traffic
control, land mobile, police/fire, navigational aids, marine VHF radios
correct answer ✅
The portion of the electromagnetic spectrum between 3 kHz and 300 GHz. -
Radio frequency spectrum
What frequencies are used in radio communications? - correct answer
to 30,000 MHz
✅ 30 kHz
Who governs frequency use by Federal agencies? - correct answer
Telecommunications and Information Administration (NTIA)
✅ National
, Coast Guard - Communications
(AUXCOM) latest exam review 2026
What does NTIA stand for? - correct answer
Information Administration
✅National Telecommunications and
correct answer ✅
Who regulates state, local government, business, and private frequency use? -
Federal Communications Commission (FCC)
agreement between the NTIA and the FCC. - correct answer ✅
True or False: Federal agencies may not use the non-fedral frequencies subject to
True
What are wavelengths measured in? - correct answer ✅ meters
- correct answer ✅
The size or magnitude of a wave measured from zero to its peak or greatest value.
Amplitude
What are the two voice radio communication
✅
systems available to marine users which adequately serve dual requirements of
both safety and utility. - correct answer Single Side Band (SSB)
VHF-FM
Ultra High Frequency (UHF) - correct answer
and 3,000 MHz.
✅ Radio frequencies between 300
High Frequency (HF) - correct answer ✅ 3 MHz - 30 MHz
Frequency range of VHF-FM Marine - correct answer ✅ 156 - 162 MHz
(AUXCOM) latest exam review 2026
A single complete reversal of an alternating current. - correct answer ✅ Cycles
✅
The number of cycles per second of an alternating current. - correct answer
Frequency
One ____ equals one cycle per second. - correct answer ✅ Hertz (Hz)
radio. - correct answer ✅
These units of frequency measurement honor Heinrich Hertz, an early pioneer of
Radio Frequency Spectrum
Very High Frequency (VHF) - correct answer ✅ 30 to 300 MHz
What is the typical use of VHF? - correct answer ✅ TV, FM broadcasts, air traffic
control, land mobile, police/fire, navigational aids, marine VHF radios
correct answer ✅
The portion of the electromagnetic spectrum between 3 kHz and 300 GHz. -
Radio frequency spectrum
What frequencies are used in radio communications? - correct answer
to 30,000 MHz
✅ 30 kHz
Who governs frequency use by Federal agencies? - correct answer
Telecommunications and Information Administration (NTIA)
✅ National
, Coast Guard - Communications
(AUXCOM) latest exam review 2026
What does NTIA stand for? - correct answer
Information Administration
✅National Telecommunications and
correct answer ✅
Who regulates state, local government, business, and private frequency use? -
Federal Communications Commission (FCC)
agreement between the NTIA and the FCC. - correct answer ✅
True or False: Federal agencies may not use the non-fedral frequencies subject to
True
What are wavelengths measured in? - correct answer ✅ meters
- correct answer ✅
The size or magnitude of a wave measured from zero to its peak or greatest value.
Amplitude
What are the two voice radio communication
✅
systems available to marine users which adequately serve dual requirements of
both safety and utility. - correct answer Single Side Band (SSB)
VHF-FM
Ultra High Frequency (UHF) - correct answer
and 3,000 MHz.
✅ Radio frequencies between 300
High Frequency (HF) - correct answer ✅ 3 MHz - 30 MHz
Frequency range of VHF-FM Marine - correct answer ✅ 156 - 162 MHz
