Amateur Extra › E9 Antennas and Transmission Lines › E9C07
E9C07
What is the approximate feed point impedance at the center of a two-wire half-wave folded dipole antenna?
Pick an answer to check it.
Answer: A. 300 ohms
A folded dipole has about four times the impedance of a regular dipole. 4 x 72 ohms is close to 300 ohms.
Tip: Folded dipole = 300 ohms.