Making a portable doublet
Date Uploaded: 2020-01-18
Tags: ham radio hamradio amateur radio SOTA G3CWI POTA Summits on the Air Parks on the Air DXpedition HF portable FT817 QRP SOTABEAMS 80m antenna how to make antenna make doublet ham radio antenna antenna ham radio basics amateur radio antenna introduction to ham radio hf radio antenna qrp antenna portable ham radio operating hf portable antenna portable hf ham radio antenna portable hf radio ham radio portable ham radio antennas portable hf
The doublet is a very efficient and effective multi-band antenna. In this video I show just how easy it is to make one! This antenna covers 80-10m with a suitable antenna tuner. Ideally, use a tuner with a balanced input or put a suitable 1:1 balun between the antenna and an unbalanced tuner. Doublet antenna information https://www.electronics-notes.com/articles/antennas-propagation/dipole-antenna/what-is-a-doublet.php Items used: heavy duty wire (50m) https://www.sotabeams.co.uk/antenna-wire-heavy-duty-50m-military-green/ open wire line spacers https://www.sotabeams.co.uk/open-wire-line-spacers-long-pack-of-5/ centre insulator https://www.sotabeams.co.uk/insulators-end-or-centre/ stealth cord https://www.sotabeams.co.uk/stealth-antenna-cord/ tactical top insulators https://www.sotabeams.co.uk/tactical-top-insulator-pack-of-5/ cable ties Knots: figure of 8 on a bight https://gravitec.com/fall-protection-rescue-knots/figure-eight-bight/ bowline https://gravitec.com/fall-protection-rescue-knots/bowline-2/