1 4 Wave Mobile Antenna Calculator

This calculator on the whip antenna mentions formula or equations used for calculations.

1 4 wave mobile antenna calculator.

One might have seen long straight rod on the car it is known as whip antenna. I guess you could see it as the spike on a x mass tree. Ahh the good old quarter wave ground plane. Frequency calculations are based on radio waves traveling at the speed of light 299 792 458 meters per second.

A horizontal 1 2 wave length dipoles will have a feed point of about 73 ohms while the inverted vee antennas have a feed point of about 52 ohm s. 1 4 wave antenna calculator. Enter one only one value the desired frequency or the antenna length in any length field. Use our simple calculator to determine approximate dimensions of materials needed to build a vertical antenna.

7 15 for the 40 meter band. Choose from quarter wave half wave the powerful 5 8 wave 3 4 wave or full wave and calculate minimum lengths of required radials and then shop for your needs on our other pages and select from our inventory of aluminum fiberglass wire coax connectors and other parts and. This calculator can be used to design a quarter wave ground plane antenna with radials. This calculator is designed to give the vertical length height of a particular antenna for the frequency and wavelength chosen.

There are usually four radials three being a minimum but you could use up to six. This calculator is designed to give the vertical length height of a particular whip type antenna or the frequency of it. Both can be used with or without a 1 1 balum although the use of a 1 1 balum will change the feed point of the unbalanced coax to a balanced antenna load there by reducing the chance of radiation from. Enter your desired frequency mhz of operation i e.

This does not take into consideration the type or size of horizontal reflectors of even if there is a need for them. This whip antenna calculator calculates various parameters of whip antenna or monopole antenna. The distance between one point to another adjacent point in a wave is known as the wavelength. The radiating element is a quarter wave λ 4 and the radials are 12 longer.

It consists of flexible wire. The antenna calculator for half wave dipoles. If you have no particular preference within a given ham radio band then simply enter its center frequency i e. Whip antenna calculator monopole antenna calculator.

This calculator will help you to calculate the different wavelength of antennas based on the frequency.