Ground Plane Antenna Calculator
by BucK4ABT

This calculator is designed to give the vertical length of a quarter-wave ground plane antenna, and the length of each of the four radials for the selected frequency you have entered. The normal quarter wave ground plane antenna consists of an insulated vertical radiator and surrounded by four horizontal radials  To find the lengths of the vertical radiator, and the length of the four horizontal radials, enter the desired frequency of operation.  Click on Calculate and the lengths will be displayed in meters, feet, and inches.  Once you have finished your ground-plane, some pruning of the elements may be required to fine-tune the  VSWR component   This VSWR optimization will make the antenna perform more efficiently.  To use 1/8 wave-length radials, divide the radial length results by 2.  Do not reduce the length of the vertical radiator.  NOTE: Be sure Javascript software is installed and enabled in your browser.


Ground-Plane Dimensions


Enter Center Frequency for the Antenna

Mhz
   
Calculated Dimensions in Meters, Feet and Inches.
Vertical Length (Meters) Meters
Vertical Length (Feet) Feet
Vertical Length (Inches) Inches
 Radial Length (Meters) Meters
 Radial Length (Feet) Feet
Radial Length (Inches) Inches

Visit:  www.BUXCOMM.comwww.PacketRadio.com , and www.HamRadioExpress.com
More of my books and articles can be read and downloaded at:  techfiles.htm
All rights reservec (C) 1994 by Glynn "Buck" Rogers  K4ABT
Order Toll Free M>F 9am to 4:30 pm 800.726.2919, FAX: 434 525 4919,  Tech Support:   434 509 3814