472kHz.org
Coil-Shortened Dipole Antenna Calculator - Resource Detail - The DXZone.com
Loaded Quarter Wave Antenna Inductance Calculator – M0UKD – Amateur Radio Blog
RF Inductance Calculator for Single‑Layer Helical Round‑Wire Coils
Antenna Loading Coil Calculation - Resource Detail - The DXZone.com
DIY Shortened Vertical Antenna - 4X5MG
Coil-Shortened Vertical Antenna Calculator – TF3XO
80-Meter Base-Loaded Mobile Antenna
DIY Shortened Vertical Antenna - 4X5MG
Coil-Shortened Vertical Antenna Calculator - Resource Detail - The DXZone.com
80m mid-loaded vertical
Coil-Shortened Vertical Antenna Calculator
80m mid-loaded vertical
Small Space HF Antenna by Harry Lythall (SM0VPO)
Antenna Design Calculators
A loading coil for 80m – Dhakajack
Small Space HF Antenna by Harry Lythall (SM0VPO)
DIY Shortened Vertical Antenna - 4X5MG
End Fed Half Wave (EFHW) Antenna Upgrade Part 2 - The Loading Coil
DIY Shortened Vertical Antenna - 4X5MG
The Short Dipole - Coiled Down To Fit
Coil-Shortened Vertical Antenna Calculator – TF3XO
A Lightweight Portable Vertical – WB3GCK QRP Amateur Radio
433 MHz Coil Loaded Antenna - Instructables
