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Showing posts from December, 2025

Parts

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  The parts on this page were from an order from https://www.sotabeams.co.uk/ - a UK business that makes and sells antennaes, antannae components for DIYers and other radio related components and kit. The found (apparently now retired) Richard Newstead (G3CWI) used to have a great You Tube channel https://www.youtube.com/user/g3cwi but sadly it appears he has made the videos private now :-(. I bought these components with the intention of building a linked dipole using the calulator below - which I think might have been on SOTA beams own website a few years ago. I hope there has not been some kind of fall out within the company as my experiences were really positive and I really enjoyed Richard's videos. https://portable-antennas.com/ https://portable-antennas.com/linkd.php  SOTA Beams - order Jun 2021 1 × Co-axial cable - RG174A/U (with or without BNC plug fitted) 5m -  https://www.sotabeams.co.uk/co-axial-cable-rg174a-u/ 1 × Co-axial cable - RG174A/U (with or witho...

Things to remember

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  Disclaimer Electricity is dangerous and you can suffer death or serious injury if you use incorrect or erroneous information. This page is essentially an aide memoire for my personal use. It is on the web so that I can accesses it easily from wherever I am using whatever device is at hand. You should find other references for your own use. I am not an engineer or electrician. I have no formal qualifications. I have just googled this information and taken results I think look reasonable from sources I think might be authoritative. You should find your own sources and check their quality, veracity and authenticity . Electricity is dangerous and you can suffer death or serious injury if you use incorrect or erroneous information.   Glossary λ- wavelength - also the Greek letter Lamba. Unit: metres Ω - ohms - the unit of resistance/impedance. The Greek letter Omega. c - constant -  the speed of light in a vacuum also see 'v'. Unit: metres per second  C - the symbol for...