Improved Omnidirectional Dual-Band Dipole Antenna
Print Profile(1)
Description
Are you looking for an efficient, compact, and easy-to-build antenna for your amateur radio projects? This improved omnidirectional dipole version is designed to offer solid performance on UHF and VHF bands, with a robust and modular construction that you can adapt based on your available materials.
🔧 Technical Specifications:
- Center dipole: 48 cm per arm, built with 7 mm iron tubing (also compatible with copper or aluminum—I got mine from an old clothesline).
- Parasitic elements: Two 30.9 cm elements, placed 35 mm from the main dipole to improve directivity and gain.
- Performance:
- SWR on UHF: < 1.2 📡
- SWR on VHF: < 1.5 📶
- Modular design: Compatible with 3D printing for supports, spacers, and caps. STL files included.
🛠️ Ideal for:
- Amateur radio enthusiasts looking for an efficient dual-band antenna.
- Satellite listening and terrestrial communications.
- Experimenting with passive elements and SWR optimization.
💬 Do you have questions about its construction or adaptation?
Don't hold back! I am available to answer any questions about materials, assembly, adjustments, or testing. Your feedback also helps improve future versions.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
Comment & Rating (27)