Which of the following antennas is commonly used in communications for a frequency band of 10 MHz to VHF and UHF?
A. Omnidirectional antenna
B. Dipole antenna
C. Yagi antenna
D. Parabolic grid antenna
Answer:C
Which of the following antennas is commonly used in communications for a frequency band of 10 MHz to VHF and UHF?
A. Omnidirectional antenna B. Dipole antenna C. Yagi antenna D. Parabolic grid antenna