📡 Dipole Radio Link in a Vertical Slice (2D): Field Map, Whip Length and Friis Budget

2D twin of the 3D antenna page: a vertical slice through the field of a thin-wire dipole, with the same radiation-resistance, directivity, reactance, polarisation and Friis solver, a whip receiver that you can tilt, and four independent checks; mast and radio rendered in Blender.