: Specifies where the feed point is located (e.g., at the center of a dipole or start of a vertical) and any electrical loads.
If you find an antenna definition online as text, you can often go to Edit > Antenna definition edit in MMANA-GAL and paste the code directly to load the model without needing to download a physical file. Introduction to Antenna Modelling - MMANA-GAL
The “GAL” in its name refers to the optimizer—a powerful feature that automatically adjusts wire lengths, spacing, and diameters to meet your target impedance, gain, or SWR.