Antenna Models

Each Designer turns a frequency and options into geometry, a diagram, and construction notes — with its correction factor exposed and its design method cited. Short antennas offer a "shorten & load" handoff into the Loading Coil tool.

T1 closed-form staples

Half-Wave Dipole closed-form· loadable ARRL Antenna Book Inverted-V Dipole closed-form ARRL Folded Dipole closed-form ARRL Quarter-Wave Vertical / Ground-Plane closed-form· loadable ARRL Half-Wave Vertical closed-form ARRL 5/8-Wave Vertical closed-form ARRL End-Fed Half-Wave (EFHW) closed-form ARRL Full-Wave Loop (Quad) closed-form ARRL Delta Loop closed-form ARRL Random / Long Wire closed-form ARRL

T2 published-design

Yagi-Uda published-design DL6WU / NBS TN-688 Moxon Rectangle published-design Moxon / Cebik J-Pole / Slim Jim published-design matching-section dimensions

T3 complex / niche

Magnetic Loop (Small Transmitting Loop) closed-form own research Discone published-design own research G5RV published-design published Off-Center-Fed Dipole (Windom) published-design published