HomeMade 80M Band Coil for 40M EFHW Antenna

80M Band Coil. A simple guide how to easy modify your 40M EFHW Antenna working also on 80M band. Due to fact that has been use more turns that should normally be, the inductance is higher, so the extension wire is shorter. Testing with QSOs will be in another video or in the livestream.

- Extension Antenna wire length is 1430mm/1.43m/56,299 inch.
- Number of turns: 67
- Length of winding: 70mm
- Coil former diameter: 55mm
- Wire: Enameled copper 1mm thick (probably 19 gauge)
- Screws, nuts: M5
- Waste pipe coupling for 50mm pipes: https://www.amazon.de/-/en/Ostendorf-...
- Video of how I built my 40M EFHW Antenna:    • Multiband EFHW Base Antenna with 49:1...  

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Music: Motivational Corporate Pop by Fretbound
https://protunes.net/
Video Link:    • Fretbound - Motivational Corporate Po...  
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Music: Upbeat And Inspiring Corporate by NIKI MUSIC
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Video Link:    • Nikita Lukyanov (NIKI MUSIC) - Upbeat...  
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Music: Upbeat Corporate by Wavecont
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Video Link:    • Wavecont - Upbeat Corporate [Copyrigh...  

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