30 Meter Inverted Vee with Hairpin Match

Center insulator with 1.9 uH Hairpin matching inductor and 280 Ohm Window Line



Antenna, Inductor, Window Line, 4:1 Current Balun SWR Plot

Using Low Inductance 4:1 Balun for Hairpin Match




T68-6 10T Bifilar Turn 4:1 Impedance Ratio Transformer
SimSmith A.Hr tuned to match measured "T68-6-10T-Unun.csv" file



T68-6 9T Bifilar Turn 4:1 Impedance Ratio Transformer
SimSmith A.Hr tuned to match measured "T68-6-9T-Unun.csv" file



Proposed 30M shortened Inverted Vee with 9T Balun
SimSmith L.file = EZNEC LastZ.txt file



9T Transformer Matched Loss Measurement = 0.1 dB
150pF Capacitor used to simulate antenna capacitance



Center Insulator with T68-6 9T Bifilar Turn 4:1 Voltage Balun



Completed 30M Inverted Vee with T68-6 9T 4:1 Balun SWR Plot