Two-Wire (SWA) Beverage Antenna Transformer Calculator

Two-Wire (SWA) Beverage
Antenna Transformer Calculator

This calculator requires the use of Javascript enabled and capable browsers. This calculator is designed to give Two-Wire Beverage (SWA) Transformer Calculator information required for construction. Enter the required information and Click on Calculate to generate the Beverage (SWA) transformer data. After any minor modifications, you may click on Re-Calculate or to start over on Clear Values. Fields that are not modifiable will not allow you to click on them.

Unit	Number
Required Data Entry
AWG	Gauge
Height Above Ground	Feet
Wire Spacing	Inches
Minimum Frequency	MHz
A_L Of Ferrite	mH/1000 turns
Primary impedance	Ohms

Calculated Results
New Primary (T1) Turns
New Primary (T2) Turns
New End Term Primary Turns (T3)

Zoa	Ohms
Zot	Ohms
Ratio Zot/Zoa
Turns Ratio Zot
Turns Ratio Zoa
Minimum Primary Inductance (T1 & T2)	uH
Calculated Primary Inductance (T1)	uH
Calculated Primary Inductance (T2)	uH
Minimum End Term. Primary Inductance (T3)	uH
Calculated End Term. Inductance (T3)	uH
End Term. Primary Turns (T3)
Primary Turns (T1)
Primary Turns (T2)
Zot Secondary Turns (T1)
Zoa Secondary Turns (T2)
Wire Diameter	Inches

Updated 6.02.11

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