CORPORALS COURSE EXAMS SCRIPT ANSWERS AND
QUESTIONS SET A+
✔✔Ground Waves - ✔✔They follow the curvature of the Earth and are affected by
obstacles and weather conditions
✔✔Sky Waves - ✔✔They travel upwards towards space, through atmosphere, are
electrically charged by particles in the ionosphere and refracted back to Earth
✔✔What are Hertz? - ✔✔The frequency of a radio wave in which the number of
complete cycles that occur in one second.
✔✔Kilohertz (kHz) - ✔✔1,000 Hz
✔✔Megahertz (MHz) - ✔✔1 million Hz
✔✔Gigahertz (GHz) - ✔✔1 billion hertz
✔✔VLF - ✔✔Very Low Frequency (3 - 30 Khz)
✔✔LF - ✔✔Low Frequency (30 - 300 Khz)
✔✔MF - ✔✔Medium Frequency (300 Khz - 3 Mhz)
✔✔HF - ✔✔High Frequency (3 - 30 Mhz)
Ground Range: 0-50 miles
Sky Range: 100-8,000 miles
Power: .5-5 kilowatts
✔✔VHF - ✔✔Very High Frequency (30 - 300 Mhz)
Ground Range: 0-30 miles
Sky Range: 50-150 miles
Power: .5 or less kilowatts
, ✔✔UHF - ✔✔Ultra High Frequency (300 Mhz - 3 Ghz)
Ground Range: 0-50 miles
Sky Range: N/A
Power: .5 or less kilowatts
✔✔SHF - ✔✔Super High Frequency (3 - 30 Ghz)
✔✔EHF - ✔✔Extremely High Frequency (30 - 300 Ghz)
✔✔Single Channel Radio - ✔✔Primary means of communication for command, fire
control, exchange information, administration, and communication between and within
units
✔✔Types of Radio - ✔✔1. Simplex
2.Half Duplex
3. Full Duplex
✔✔Simplex - ✔✔One station may send information but not receive it
✔✔Half Duplex - ✔✔Info can be transmitted and received in either direction, but not in
both directions simultaneously
✔✔Full Duplex - ✔✔Allows simultaneous two-way communication.
✔✔Antenna Whip - ✔✔A vertical whip is the primary antenna used for ground wave
transmission
✔✔Natural Interferences - ✔✔Thunder Storms & Stars
✔✔Operational Culture - ✔✔-Environmental
-Social Structure
-Political Structure
-Belief Systems
-Economical
✔✔How many clicks are on a Bezel Ring? - ✔✔120 Clicks
✔✔1 click equals... - ✔✔3 Deegrees
✔✔Methods to hold a Compass - ✔✔Center hold and compass to cheek technique
✔✔MOS Road Map - ✔✔Designed to assist with career and MOS progression
✔✔Counseling's for Jr. Marines are... - ✔✔Monthly
QUESTIONS SET A+
✔✔Ground Waves - ✔✔They follow the curvature of the Earth and are affected by
obstacles and weather conditions
✔✔Sky Waves - ✔✔They travel upwards towards space, through atmosphere, are
electrically charged by particles in the ionosphere and refracted back to Earth
✔✔What are Hertz? - ✔✔The frequency of a radio wave in which the number of
complete cycles that occur in one second.
✔✔Kilohertz (kHz) - ✔✔1,000 Hz
✔✔Megahertz (MHz) - ✔✔1 million Hz
✔✔Gigahertz (GHz) - ✔✔1 billion hertz
✔✔VLF - ✔✔Very Low Frequency (3 - 30 Khz)
✔✔LF - ✔✔Low Frequency (30 - 300 Khz)
✔✔MF - ✔✔Medium Frequency (300 Khz - 3 Mhz)
✔✔HF - ✔✔High Frequency (3 - 30 Mhz)
Ground Range: 0-50 miles
Sky Range: 100-8,000 miles
Power: .5-5 kilowatts
✔✔VHF - ✔✔Very High Frequency (30 - 300 Mhz)
Ground Range: 0-30 miles
Sky Range: 50-150 miles
Power: .5 or less kilowatts
, ✔✔UHF - ✔✔Ultra High Frequency (300 Mhz - 3 Ghz)
Ground Range: 0-50 miles
Sky Range: N/A
Power: .5 or less kilowatts
✔✔SHF - ✔✔Super High Frequency (3 - 30 Ghz)
✔✔EHF - ✔✔Extremely High Frequency (30 - 300 Ghz)
✔✔Single Channel Radio - ✔✔Primary means of communication for command, fire
control, exchange information, administration, and communication between and within
units
✔✔Types of Radio - ✔✔1. Simplex
2.Half Duplex
3. Full Duplex
✔✔Simplex - ✔✔One station may send information but not receive it
✔✔Half Duplex - ✔✔Info can be transmitted and received in either direction, but not in
both directions simultaneously
✔✔Full Duplex - ✔✔Allows simultaneous two-way communication.
✔✔Antenna Whip - ✔✔A vertical whip is the primary antenna used for ground wave
transmission
✔✔Natural Interferences - ✔✔Thunder Storms & Stars
✔✔Operational Culture - ✔✔-Environmental
-Social Structure
-Political Structure
-Belief Systems
-Economical
✔✔How many clicks are on a Bezel Ring? - ✔✔120 Clicks
✔✔1 click equals... - ✔✔3 Deegrees
✔✔Methods to hold a Compass - ✔✔Center hold and compass to cheek technique
✔✔MOS Road Map - ✔✔Designed to assist with career and MOS progression
✔✔Counseling's for Jr. Marines are... - ✔✔Monthly
