FREE Antennas & Feedlines Questions and Answers

Question 1

What is the primary purpose of an antenna?

Accepted Answer

Convert radio waves to electrical signals

Answer

Amplify signals

Answer

Reduce noise

Answer

Supply voltage

Question 2

What is SWR in antenna systems?

Accepted Answer

Standing Wave Ratio

Answer

Signal Watt Ratio

Answer

Signal Width Ratio

Answer

Sound Wave Range

Question 3

What type of feedline is most commonly used for VHF antennas?

Accepted Answer

Coaxial cable

Answer

Ladder line

Answer

Twin lead

Answer

Waveguide

Question 4

What does impedance matching accomplish?

Accepted Answer

Minimizes power loss

Answer

Boosts signal range

Answer

Reduces signal loss

Answer

Increases frequency

Question 5

Which part of the feedline can most affect performance?

Accepted Answer

Length and type

Answer

Color of cable

Answer

Packaging material

Answer

Ground rod position

Question 6

What happens if the antenna is not resonant at the operating frequency?

Accepted Answer

Poor transmission

Answer

Better reception

Answer

Higher output power

Answer

Increased range

Question 7

Why is coaxial cable preferred in many amateur setups?

Accepted Answer

Inexpensive and shielded

Answer

Hard to bend

Answer

Requires tuning

Answer

Not affected by weather

Question 8

What is a dipole antenna?

Accepted Answer

Two equal-length wires connected to a center feedpoint

Answer

A vertical antenna

Answer

Two wires forming a T

Answer

Circular antenna loop

Question 9

What could cause high SWR readings?

Accepted Answer

Broken connectors or mismatched components

Answer

Perfect matching

Answer

Low transmission frequency

Answer

Using coaxial cable