This is a simulation of the radiation pattern of an End Fed Halfwave antenna (EFHW) using the program MMANA GAL. The EFHW uses a 49:1 transformer so the SWR is set to 2450 ohms for the simulation.
0:00 - Intro
0:40 - 15m Simulation
06:40 - SWR 2450
09:10 - Optimization
14:50 - Far Field plots
16:18 - 3D rendering
19:50 - Other frequencies