As we close 2024, I'm filled with gratitude for 12 years of AN-SOF's innovation. From dynamic simulations to enhanced visualizations, we've made great strides. Exciting features await in 2025, including a new source model and a learning platform. Thank you for your support. Happy holidays and a wonderful 2025!
This article presents a hybrid modeling approach for coaxial transmission line antenna feeders, focusing on the impact of common-mode currents on the antenna radiation pattern. By explicitly modeling the outer shield of coaxial cables, we can accurately predict and mitigate RF interference, enhancing antenna system performance for RF engineers and enthusiasts.
In this article, we dive deep into near-field calculations to establish RF exclusion zones. By understanding near-field and far-field regions, occupational vs. public exposure, health impacts, and practical methods, we ensure compliance with EMF guidelines and safeguard human health.
We’re thrilled to announce AN-SOF 9.50, packed with user-requested enhancements. Improved geometry input, simplified polarization analysis, and new EMF compliance tools make antenna design easier and more precise than ever. Upgrade your design process with AN-SOF 9.50!
Traditional coil inductance calculations often rely on simplified approximations. AN-SOF offers a more accurate approach by considering factors like non-uniform magnetic fields, conductor losses, and complex coil geometries. By using AN-SOF, you can obtain precise inductance values, visualize magnetic field and current distributions, to improve your coil designs.
Build a high-performance Lazy-H antenna for the 10-meter band. Learn to design and simulate your own antenna with this guide. Calculate performance with AN-SOF and discover the benefits of wide bandwidth and excellent gain. Watch the included video tutorial for step-by-step modeling.
Here is a comprehensive guide to modeling, feeding, and tuning half-wave dipoles, offering principles and techniques that can be applied to any antenna system.
We are happy to share an interesting project by one of our AN-SOF users: @PoweredMeshtasticEurope. He demonstrates how to build your own helix high gain directional antenna for the Meshtastic frequency range, from theory to reality.
Discover the advanced features of AN-SOF 9, the latest version that takes antenna design to the next level with groundbreaking Feeder and Tuner Calculators.
In this article, we provide an overview of various numerical methods used in Computational Electromagnetics (CEM), with a special focus on antenna simulation methods such as FDTD, FEM, MoM, CMoM, FMM, MLFMM, FVTD, GO, GTD, UTD, PO, PTD, and DDM.
The Extended Double Zepp (EDZ) antenna offers higher gain than a half-wave dipole, but matching to 50-Ohm coax is difficult. This article explores a phased array design using two EDZs for directional radio transmission, achieving good gain and easier impedance matching.
In today's wireless world, ensuring Electromagnetic Field (EMF) compliance is crucial for protecting individuals from potential harmful effects of RF exposure. Join us as we explore the influence of antenna configurations, ground planes, and feed lines on far-field EIRP values, ensuring you possess the tools to navigate the complexities of EMF compliance effectively.
Exciting update! AN-SOF 8.90 is here with features like "Segments per Wavelength," enhanced wire scaling, TL command import/export, and faster current distribution algorithms. Elevate your antenna simulations!
Dive into the intricacies of Skeleton Slot antennas. Explore optimal designs, balancing geometry parameters, and leveraging simulation tools. Ideal for both engineers and enthusiasts!
Experience antenna design at its best with AN-SOF 8.70, your comprehensive tool for simulation mastery.
Discover the perfect balance: a simple dual-band vertical dipole, AN-SOF modeling, and real-world results. Elevate your ham radio experience.
Revolutionize antenna modeling with our simplified method. Accurately simulate 2.4 GHz wheel antennas for optimal performance.
Explore the Four-Square Array antenna where implicit models of transmission lines are used in the feeding system of this phased array.
Discover a simple yet precise method for modeling microstrip antennas on ungrounded dielectric substrates.
Elevate your antenna design game with our latest video tutorial on monopole modeling using AN-SOF.
Dive into the world of advanced antenna design with our latest tutorial! Discover the art of connecting Log-Periodic Antenna Elements using Transmission Lines in the AN-SOF Antenna Simulator.
Embrace the antenna revolution with AN-SOF 8.50! Unleash its advanced features: Transmission Line models, expanded power budget, and precise far-field calculation. Free trial available!
Get ready for the future of antenna design. AN-SOF 8.50 brings enhanced features like Transmission Line models, extended power budget, and improved far-field calculation. Stay tuned for the release!
AN-SOF introduces an innovative method based on James R. Wait theory to accurately compute ground losses, improving monopole antenna design. Explore the validated model for LF/MF radio masts.
Introducing AN-SOF's Conformal Method of Moments, a pioneering advancement in antenna design. By effectively addressing seven limitations encountered in traditional methods, this cutting-edge software enables precise modeling and analysis of antennas with intricate geometries.
This quick overview document provides a concise introduction to the capabilities of AN-SOF, designed to revolutionize the way you approach antenna design.
Discover the vital role of historical theoretical results alongside advanced numerical calculations in accurately approximating current distribution on linear antennas.
We explore the concepts of absolute wave impedance and wave matching coefficient (WMC) as practical alternatives to determine a useful boundary between the near and far field regions of an antenna.
Rev up your AN-SOF skills with this video tutorial featuring two fast methods for adding elevated radials.
Understand the difference between Front-to-Rear (F/R) and Front-to-Back (F/B) ratios, key metrics for antenna directivity. Learn how to calculate and interpret these values using AN-SOF software. Improve your antenna designs with this essential knowledge.
This article validates AN-SOF’s results against the IEC FDIS 62232 standard by replicating an RBS panel antenna model with nine dipole radiators. The successful validation highlights AN-SOF’s ability to deliver highly accurate results, even with relatively simple models.
AN-SOF has released its latest version, 8.20, which brings significant enhancements to improve the software's accessibility and performance.
Simulating a Super J-Pole: A 2m Antenna Analysis. This article describes a 5-element collinear antenna design for the 2m band, its radiation pattern, VSWR, and key components for optimal performance.
New Plots tab where we can quickly see the input impedance, VSWR, gain, Front-to-Rear, and Front-to-Back ratios as a function of frequency, with various visualization controls (grids, points, markers, etc.).
Delve into the virtual realm of an ingenious multiband omnidirectional dipole antenna. Explore its design intricacies through simulation.
The Loop on Ground (LoG) antenna offers a compact solution for directional reception with a cardioid radiation pattern. This article explores its design and highlights the efficiency achieved through the Conformal Method of Moments (CMoM).
At Golden Engineering we are passionate about antenna simulation. On this last day of the year we want to give you our Log-Periodic Christmas Tree made with AN-SOF.
This version of AN-SOF has new functions and options: ARRL-style scale in polar plots. Radiation pattern slices in decibels can be displayed...
Explore dual-loop magnetic antenna design and simulation with AN-SOF. Model performance at five frequencies, showcasing radiation patterns, current distributions, and tuning values. Automated bulk simulations streamline the process.
The Quadrifilar Helix (QFH) antenna, with its unique design and circular polarization, ensures efficient NOAA satellite signal reception. This article explores the history, key characteristics, and practical modeling of QFH antennas using AN-SOF, providing valuable insights for RF engineers and enthusiasts.
This article validates AN-SOF's results against established formulas for V antennas, highlighting its advanced modeling capabilities. We explore optimal angles, directivity enhancements, and precise calculations, making AN-SOF a powerful tool for RF engineers, ham radio enthusiasts, and antenna designers.
Discover the Dual Reflector Moxon Antenna at 145 MHz: Amplified Gain and Enhanced Performance for VHF Enthusiasts.
Need a compact directional antenna for your UHF needs? This 4-element Biquad antenna, designed with AN-SOF, packs a powerful punch in a relatively small space. Perfect for UHF applications where space is at a premium!
This article presents a comprehensive comparison between AN-SOF's dipole antenna simulations and the renowned King-Middleton second-order solution. Through rigorous analysis and numerical experiments, we validate the accuracy and reliability of AN-SOF in predicting dipole antenna input impedance.
Want a directional antenna for the 2m band? This article explores modeling a 5-element quad array in AN-SOF, achieving good gain and front-to-back ratio.
Struggling with complex helical antenna designs for LoRa & ISM? AN-SOF overcomes limitations of traditional methods, enabling accurate simulations of 433 MHz spring helical antennas.
Dive into the fascinating world of fractal antennas! This article explores their revolutionary design principles using AN-SOF simulation software. Discover how self-similar patterns unlock wider bandwidths, smaller sizes, and superior efficiency compared to traditional antennas.
This is a 4 element broadband directional antenna. More than 50 MHz of bandwidth (SWR < 1.5) around 285 MHz. Gain 7 to 8 dBi. Length 0.52 m and maximum width 0.6 m.
This step-by-step guide empowers you to simulate circular loop antennas in AN-SOF. We'll configure the software, define loop geometry, and explore how its size relative to wavelength affects radiation patterns and input resistance. Gain valuable insights into this fundamental antenna type!
Learn how to simulate a center-fed cylindrical antenna using AN-SOF software. This step-by-step guide covers setup, geometry creation, simulation, and result analysis. Understand dipole characteristics through practical examples.
Unleash the power of your AN-SOF simulations! This article explores the software's data export features, enabling you to seamlessly transfer results to spreadsheets for further analysis, report generation, and clear communication of your antenna design findings.
Discover how AN-SOF's project merging feature enhances antenna design flexibility, unlocking new possibilities.
Radiating towers or radio masts can be modeled in AN-SOF with a high degree of detail, as shown in the figure below. Since we already know the omnidirectional shape of the radiation pattern, what interests us is to calculate electric field values at ground level for a given input power.
Explore how AN-SOF simplifies the process of modeling transformers and baluns with implicit techniques. Learn to transform antenna impedance using equivalent circuits. A must-read for engineers and RF enthusiasts!
From the far field point of view, the whole structure of an antenna and its surroundings is reduced to a single point at the origin (X,Y,Z) = (0,0,0).
We see that most of the time we are interested in calculating only the E-field in antenna projects when we are talking about the near field. For this reason, we have added an option to enable or disable the automatic calculation of the H-Field.
New version of Antenna Simulation Software: AN-SOF 7.8.
Explore the new AN-SOF User Guide >, where you will find detailed information about its many features, as well as step-by-step examples and tips to help you quickly move forward with your antenna modeling projects.
Discover 5 antenna models with less than 50 segments in AN-SOF Trial Version. These examples showcase the capabilities of our software for antenna modeling and design, allowing you to evaluate its features for your projects.
Explore the intricacies of the HF Skeleton Slot Antenna - a bi-directional marvel offering versatile HF communication.
Experience versatile communication with this 5-in-1 J-Pole Antenna – your go-to solution for multiband excellence.
New version of Antenna Simulation Software: AN-SOF 7.50.
Conquer the 17-meter band with the 2-element Delta Loop Beam antenna. This compact, high-gain design boasts near-perfect impedance matching, making it perfect for DX enthusiasts. Download the AN-SOF model and unlock its potential!
See how the radiation pattern changes with frequency in AN-3D Pattern. The near field heatmap and current distribution can also be viewed dynamically by changing the operating frequency.
Elevate your satellite connections with the Moxon-Yagi Dual Band VHF/UHF Antenna. This innovative design optimizes signal reception for seamless communication.
AN-SOF 7.10 is now available for download! Access the input impedance and VSWR easily by going to the Main menu > Results. This avoids selecting the segment where the source is located to access the input impedance.
Struggling to design optimal 2-element quad arrays? This article explores automating the process using Scilab scripts and AN-SOF's bulk processing. Generate & simulate multiple configurations with varying element spacing, saving time and uncovering potential performance improvements!
Discover the spiral loop antenna, a compact alternative for 80 meters band DXing. Explore its challenges and benefits, and learn how AN-SOF enables accurate modeling of its intricate wire geometry for optimal performance.
AN-SOF 7.0 is Here! Run bulk simulations and process multiple input files with just one click. We have chosen the NEC format for the input files as it is a standard adopted by many users. Forget about running the simulations one by one, run them all at once.
New Release :: AN-SOF 6.40 :: Tabular input of linear wires as well as sources and loads. List of recently open projects in the File menu. Zoom in and out by rotating the mouse wheel.
New Release :: AN-SOF 6.20 :: Radiation patterns plotted in AN-Polar can now be exported as *.ant files. The *.ant format can then be imported into the Radio Mobile propagation software. Exportation of linear wires in DXF format has been added.
Refine AN-SOF antenna simulations. Identify and resolve errors with precision, ensuring model integrity.
It is important to have control over the scales of the graphs for a better presentation and interpretation of the results. We can adjust the maximum and minimum values of the color bar in AN-3D Pattern to obtain increments in multiples of 5 or the value we want.
Learn how to optimize simulation speed in AN-SOF Antenna Software. Follow valuable tips for faster results by adjusting segments, resolution, and settings. Turbocharge your antenna simulations!
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