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Impedance calculator


This will calculate the unknown value given two of the following known's,Impedance, Inner Diameter of Outer Conductor, Outer diameter of innerconductor
post 24 Aug 2021


Antenna Calculator Links

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AM Loop Antenna Calculator
Below you will find plans to build a three or four foot box loop for the AM broadcast band

Cubical quad antenna calculator, Frank Crossv
The gain of an an antenna with parasitic elements varies with the spacing and tuning of the elements

Design Your Own Dipoles And Inverted Vees
The formula for these types of antennas vary from about 476/f Mhz to 490/f MHz depending on the band and the height above ground!

Double Extended Zepp NVIS Antenna Calculator
The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 80 m| 160 m| 136 khz
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