Shortened G5RV antenna design: a compact multiband HF dipole covering 20m–6m bands with ladder-line matching and 4:1 balun for portable or small-yard installs.
Tag: Antenna Projects
Explore a detailed collection of antenna projects and DIY designs at vu3dxr.in. This tag features practical builds, tuning guides, and performance tests for various amateur radio antennas. From wire dipoles to specialized SDR antennas, discover step-by-step instructions to help you construct and optimize effective aerials for your radio station.
High Gain Collinear Antenna for 145 MHz and 433 MHz Bands
Learn to build a 145 MHz/433 MHz collinear antenna with 0.64λ radiators, 0.25λ phasing stub, and direct 50 Ω feed for compact high-gain VHF/UHF stations
Popovic Dual Band Antenna for 2m and 70cm Bands
Build the Popovic dual band antenna for 2m and 70cm bands — a simple, efficient DIY VHF/UHF antenna with excellent SWR, omnidirectional pattern, and easy home construction
Building End Fed Half Wave antenna (EFHW) for 40M – 10M
DIY EFHW antenna for 40 m–10 m: a 10.1 m multiband end-fed wire with 34 µH loading coil and 49:1 UNUN matching for portable HF and limited-space stations
Shrinking the Dipole: Building the Shorty Forty Antenna for 40M Band
Build the Shorty Forty — a compact 7 MHz dipole using center-loaded coils to shrink a 40 m antenna to 25 ft while maintaining resonance and solid HF performance in limited space
Build Your Own Indoor Antenna for 7 MHz HF Band
Build a compact indoor 7 MHz (40 m) HF antenna using coil-loaded wire sections and 75 Ω feed — a stealth, space-saving solution for apartment and indoor ham radio operation
40m Vertical Antenna: Compact Base-Loaded Design for Powerful HF Operation
Build a compact 40 m vertical antenna using a 3.4 m radiator and 15 µH base-loading coil — a shortened quarter-wave HF vertical delivering strong 7 MHz DX from limited space.
GM4JMU Shortened Dipole Antenna: Compact Performance for HF Bands
The GM4JMU shortened dipole uses loading coils to deliver full 40 m band performance in under 10 m span. Ideal compact HF antenna for small gardens, rooftops, and portable ham radio installations.
145 MHZ Delta Loop VHF Antenna
Build your own Delta Loop VHF antenna for 145 MHz with our clear diagram, dimensions, instructions, explains construction, feed point, and tuning tips.
Aperiodic Multiband Wire Antenna: A Simple and Effective Design
Aperiodic multiband wire antenna design by HB9KX/DK7ZB: 10.5 m asymmetrical dipole with resistive loading for broadband HF coverage without complex tuning