| Extension | Description | Contents | |-----------|-------------|----------| | .maa | Main antenna file | Geometry, segments, frequency, source, loads, ground type | | .opt | Optimization settings file | Variables, goals, constraints for auto-tuning | | .out | Calculation results file | Radiation patterns, SWR, impedance, gains (auto-generated) | .maa files are plain text and can be edited manually or generated by scripts. 2. Structure of a .maa File Open any .maa file in a text editor. It follows a strict format:
MMANA-GAL is a popular freeware tool for antenna modeling and optimization (based on MININEC). Understanding its file structure and workflow is key to designing and sharing antennas effectively. 1. File Types & Extensions MMANA-GAL uses three main file types: mmana-gal antenna files
[Wire Table] Wire number X1(m) Y1(m) Z1(m) X2(m) Y2(m) Z2(m) Radius(m) Segments It follows a strict format: MMANA-GAL is a
[Loads] (optional) WireNo SegmentNo R(Ohm) X(Ohm) Type File Types & Extensions MMANA-GAL uses three main
[Source] WireNo SegmentNo Volts(V) Phase(deg) Type
[Comments] Any initial lines starting with ';' or blank [Frequency & Options] Frequency (MHz) Wavelength (m) Type Ground R(Ohm) X(Ohm) Segments WireRadius(m)