WP4TZV.
MHz

Antenna Model · Designer · closed-form

Folded Dipole

length = factor × λ × k  ·  λ = 41.93 m @ 7.150 MHz

FIG.1 · FOLDED DIPOLE feedtotal 19.916 mleg 9.958
Total length
19.916m
Each leg (from center)
9.958m
Conductor spacing
0.020m
Accuracy note
±~2%, trim to resonance.
Method closed-form Cite ARRL Antenna Book Feed ~300 Ω (4:1 balun → 75 Ω, or use 300 Ω line).
  • Two parallel conductors shorted at the ends.
  • Wider bandwidth than a single-wire dipole.