LearnTenna

Antenna Visualizer by N0DEF

FPS: --
Current Nodes (I=0)
Current Antinodes (I=max)
Voltage Nodes (V=0)
Voltage Antinodes (V=max)

Antenna Parameters

Animation

Time: 0°
I-V Phase: 0°

Matching Network

Visibility

Current Settings

  • Length: 20m
  • Frequency: 7.5 MHz
  • Wavelength: 40.0m
  • Electrical Length: 0.5λ
  • Wire Diameter: 2.0mm

Feedpoint Analysis

  • Feed Position: Center Fed (50%)
  • Antenna Z: 73 Ω
  • Matching: None
  • System Z: 73 Ω
  • SWR (50Ω): 1.5:1
  • Match Quality: Good
  • Antenna Type: Half-Wave Dipole

Resonance Analysis

  • Harmonic: 1st (Fundamental)
  • Current Nodes: 2
  • Current Antinodes: 1
  • Voltage Nodes: 1
  • Voltage Antinodes: 2
  • Resonant: Yes