The amateur radio community is built on sharing. If a famous op in Japan designs a high-performance 20m Yagi, they can simply email you the .maa file. You can then open it, adjust the wire thickness to match what you have in your junk box, and see how it performs at your specific height. Anatomy of a MMANA-GAL File
MMANA-GAL hasn’t seen a major update in years, but its file format remains relevant due to three reasons: mmana-gal antenna files
Lists the coordinates. For example, a simple dipole might have one wire running from (-5, 0, 10) to (5, 0, 10) , representing a 10-meter long wire 10 meters off the ground. The amateur radio community is built on sharing
(the more advanced successor to MMANA-GAL). It is a comprehensive binary file that stores all antenna data, including advanced modeling parameters. Structure of an Anatomy of a MMANA-GAL File MMANA-GAL hasn’t seen
Use specific search queries:
One of the best features of MMANA-GAL files is . If your antenna isn't resonant or has a poor front-to-back ratio, you can set "Goals." Open the Optimization tool.