20m Dipole * 14.15 *** Wires *** 1 0.0, -5.1, 10.0, 0.0, 5.1, 10.0, 0.001, -1 *** Source *** 1, 0 w1c, 0.0, 1.0 *** Load *** 0, 0 *** Segmentation *** 400, 40, 2, 2 *** G/H/M/R/K *** 2, 10.0, 1, 50.0, 120, 0, 0 Use code with caution. Copied to clipboard Understanding the File Structure
With these basics, you can read, write, and troubleshoot MMANA-GAL antenna files like a pro. Good modeling!
Whether you are looking to build a simple dipole or a complex multi-element Yagi, understanding how to manage and manipulate these files is essential. 1. What are MMANA-GAL Antenna Files (.maa)? mmana-gal antenna files
Use the Optimize tool to tweak wire lengths or heights automatically to achieve the best SWR (Standing Wave Ratio) or maximum gain. 3. Top Sources for MMANA-GAL Antenna Libraries
Once you have perfected your design, you can save the .maa file and share it with others. Because they are tiny text files, they are easy to email or post on forums. Many builders also use the "Print" function to generate a "Cut List," which translates the coordinate points into actual lengths of wire or tubing for physical construction. Conclusion 20m Dipole * 14
The core of the file is the geometry table. Each wire is defined by its start and end points on a 3D Cartesian coordinate system ( ) along with the wire radius.
You can add extra wires to model pigtails or pigtail counterpoises for EFHWs, setting the length to simulate real coax interaction, such as a 3.8-meter pigtail. Whether you are looking to build a simple
The top lines of the file contain the name of the antenna and any comments or notes left by the designer. This is where you find information about the intended frequency, designer callsigns, and construction notes. 2. Geometry Section (Wires)