M0CVO Antennas

Tel: (++44) 01623 406003 Mobile:(++44) 07921639978 email: contact@m0cvoantennas.co.uk



I do hope that you find the software on this page useful.  


Lambda Calculator

Lambda Calculator is suitable for those using pre Windows 10 software such as Windows XP, Vista, Win7 or Win8.  It is free to use and can be installed from here: Lambda_Calc.zip

Lambda Calc screenshot

Quad Design v.2.4

Quad design Screenshot. 

Quad Design v.2.4 is an easy to use app that can be used to help in the design of a quad beam antenna. 

It is available Here for free download. 

QUADDesign_readme.txt - the readme file (instructions)

However, if you find this software useful please consider making a donation Here.



AntCalc v.2.1.1 screenshot


A basic antenna design calculator to help with various antenna types.

It is available for free download from  HERE




RuleCheck small screen shot. 

RuleCheck is a Windows 10 UWP App to convert between different units of length and from imperial to metric or visa versa.  It can be downloaded and installed for free from HERE


Dracho is a simple no frills Internet browser.  Use it to search your favourite Internet sites. Please note, this does not save a history of sites visited. It is available from HERE


Click here to edit text

JPole is used to calculate the dimensions for a J Pole antenna.  This is a Windows 10 desktop app. Any band, any frequency. Whether you wish to build your J Pole using 300 ohm ribbon feeder or aluminium/copper pipe. 


AntennaCalcPack is the latest offering from Mogpie.  This is a collection of valuable antenna design calculators including Quad design for a quad beam, AntCalc for common antenna types, Inductor Calculator and a Resonance Calculator for calculating the resonance of a tuned LC circuit or trap.  It is currently available from HERE. This is version 2.  If you are sight challenged await version 3 which has an increased font size and better backgrounds to aid accessibility. 


Easy Note is a text editor for simple text files (*.txt) or code files (*.cs, *.cpp, *.html, *.xml, *.vb, etc.).Easy to use desktop app for Win10 only.  Full details and download available from the Microsoft App Store HERE

Astronomy Picture Of the Day (APOD) Viewer