End Fed Half Wave (EFHW) Antenna Upgrade Part 2 - The Loading Coil
Coil-Shortened Dipole Antenna Calculator - Resource Detail - The DXZone.com
80m mid-loaded vertical
High-Q RF Coil Construction Techniques
DIY Shortened Vertical Antenna - 4X5MG
MWA Antenna Handbook: chapter 2
Coil-Shortened Vertical Antenna Calculator – TF3XO
Small Space HF Antenna by Harry Lythall (SM0VPO)
DIY Shortened Vertical Antenna - 4X5MG
Loaded Quarter Wave Antenna Inductance Calculator – M0UKD – Amateur Radio Blog
A loading coil for 80m – Dhakajack
Loaded Quarter Wave Antenna Inductance Calculator – M0UKD – Amateur Radio Blog
A New 630m Loading Coil & Variometer • AmateurRadio.com
Adding a loading coil to a 40m Vertical for 80m operation | M0MCX - Amateur Radio - Ham Radio
DIY Shortened Vertical Antenna - 4X5MG
Adding a loading coil to a 40m Vertical for 80m operation | M0MCX - Amateur Radio - Ham Radio
Small Space HF Antenna by Harry Lythall (SM0VPO)
Build A Shortened 40 Meter Vertical For POTA / SOTA Activations - Mike's Tech Blog WB8ERJ
Coil-Shortened Vertical Antenna Calculator - Resource Detail - The DXZone.com
How to Shorten a Vertical Antenna - YouTube
433 MHz Coil Loaded Antenna - Instructables
Loaded Quarter Wave Antenna Inductance Calculator – M0UKD – Amateur Radio Blog
Building High Power, High Q, Loading Coils
Coil-Shortened Vertical Antenna Calculator
Effectively Reducing Monopole Antenna Length | DigiKey
