https://www.dxzone.com/dx33753/from-windom-antenna-to-multiband-ocfd.html
From Windom Antenna to Multiband OCFD - Operating Aids/History | The DXZone
A detailed historical account of the Windom antenna, tracing its evolution from early single-wire fed designs to modern multiband OCFD configurations.
windom antennaaids historymultibandoperating