Ham Radio School HF Dipole SWR Analyzer
20-meter band · 14.000 – 14.350 MHz
Resonant freq
—
2:1 SWR bandwidth
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Feedpoint Z
—
SWR at resonance
—
Total antenna length
10.10 m / 33.1 ft
6.0 – 12.0 m total · drag tips on antenna above
Loading coil inductance
0.0 µH
Narrows bandwidth · holds resonant frequency
Zoom
±1.20 MHz
view centered on 14.175 MHz · 20m band shaded
SWR versus frequency for a half-wave dipole near the 20-meter amateur radio band.
SWR curve
2:1 SWR threshold
20m amateur band