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Antenna Play
v4.0 · K2KWT · Exact Impedance Transformation & Live Smith Chart
Antenna Model
Center-Fed Half-Wave Dipole
EFHW Sloper (49:1 Unun)
Feedline Type
RG-213 (50Ω, VF 0.66)
LMR-400 (50Ω, VF 0.85)
Window Line (450Ω, VF 0.91)
Ground
Average Ground
Salt Water / Excellent
Dry Rock / Poor
Freq
3.65 MHz
Height
24.0 m
Feedline
15.0 m
System 3D (Drag to Spin)
Live Smith Chart
■
Ant Z
● Radio Z
Color-Mapped Polar Lobes
Max:
0
dBi @
0
°
Resonance Sweep (±500 kHz)
Antenna Z
72+j0 Ω
Radio Z (System)
50+j0 Ω
System SWR
1.00:1
x
x
x
x
x
x