Here is an update with more information on this parasitic array: https://www.youtube.com/watch?v=fhX_QCdOH6Q
This is a simple 2-element 1/4 vertical using a parasitic director.
CW portion of 20m:
Driven Element: ~17 ft resonant at 14.05 MHz.
Director: ~16.2 ft tuned to 14.75 MHz (5% higher)
Radials: Two per element, 16.5 ft
Spacing: 10.5 ft (3.20 m) ≈ 0.15λ at 14.05 MHz
