TN221_FIRST QUIZ - TYPE OF PROPAGATION

Up to which frequency the ground wave propagation is used?

• a. 2MHz

• b. 3kHz

• c. 20MHz

• d. 3GHz

Sky wave propagation reflects the frequencies ___________

• a. 300kHz-3Mhz

• b. 3-30Mhz

• c. 30-300Mhz

• d. 300Mhaz-3GHz

The type of propagation which follows the contour of the Earth

• a. Ground Wave Propagation

• b. Sky Wave Propagation

• c. Space Wave Propagation

• d. None of the above

The type of propagation that is determined by radio wave frequency and level of ionization in the ionosphere.

• a. Ground Wave Propagation

• b. Sky Wave Propagation

• c. Space Wave Propagation

• d. None of the above

Radio signals travel in a straight line from a transmitting antenna to the receiving antenna.

• a. Ground Wave Propagation

• b. Sky Wave Propagation

• c. Space Wave Propagation

• d. None of the above

_____ is the highest frequency at which the ionosphere bends radio waves back

to a desired location on earth.

• a. Critical Frequency

• b. MUF

• c. Skip Zone

• d. Ionization

It is the highest frequency that a radio wave transmitted straight up is reflected back to Earth is called

• a. Critical Frequency

• b. MUF

• c. Skip Zone

• d. Ionization

D-Region absorbs energy from radio waves. Radio Wave absorption is most pronounced at

• a. sunset

• b. mid-day

• c. near noon

• d. midnight

F region splits into two parts (F1 and F2) during the day and recombine at night.

• a. True

• b. False

• c. Maybe

• d. None of the above

This Region has a height of about 50 to 70 miles above Earth.

• a. D Region

• b. E Region

• c. F1 Region

• d. F2 Region