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Guides
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- New Tools in AN-SOF: Selecting and Editing Wires in Bulk
- How to Speed Up Simulations in AN-SOF: Tips for Faster Results
- Enhancing Antenna Design Flexibility: Project Merging in AN-SOF
- AN-SOF Antenna Simulation Best Practices: Checking and Correcting Model Errors
- How to Adjust the Radiation Pattern Reference Point for Better Visualization
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- Can AI Design Antennas? Lessons from a 3-Iteration Yagi-Uda Experiment
- Modeling Common-Mode Currents in Coaxial Cables: A Hybrid Approach
- Beyond Analytical Formulas: Accurate Coil Inductance Calculation with AN-SOF
- Complete Workflow: Modeling, Feeding, and Tuning a 20m Band Dipole Antenna
- DIY Helix High Gain Directional Antenna: From Simulation to 3D Printing
- Design Guidelines for Skeleton Slot Antennas: A Simulation-Driven Approach
- Fast Modeling of a Monopole Supported by a Broadcast Tower
- Linking Log-Periodic Antenna Elements Using Transmission Lines
- AN-SOF Mastery: Adding Elevated Radials Quickly
- An Efficient Approach to Simulating Radiating Towers for Broadcasting Applications
- RF Techniques: Implicit Modeling and Equivalent Circuits for Baluns
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- Understanding the Antenna Near Field: Key Concepts Every Ham Radio Operator Should Know
- Evaluating EMF Compliance - Part 1: A Guide to Far-Field RF Exposure Assessments
- Evaluating EMF Compliance - Part 2: Using Near-Field Calculations to Determine Exclusion Zones
- Wave Matching Coefficient: Defining the Practical Near-Far Field Boundary
- AN-SOF Data Export: A Guide to Streamlining Your Workflow
- Front-to-Rear and Front-to-Back Ratios: Applying Key Antenna Directivity Metrics
- Exporting Radiation Patterns to MSI Planet Format: A Step-by-Step Guide
- Exporting Radiation Patterns to Radio Mobile: A Step-by-Step Guide
- Generating Field Isocontours: Integrating AN-SOF with Scilab
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- Introducing AN-SOF 10.5 – Smarter Tools, Faster Workflow, Greater Precision
- Introducing the AN-SOF Engine: Power, Speed, and Flexibility for Antenna Simulation
- What’s New in AN-SOF 10? Smarter Tools for RF Professionals and Antenna Enthusiasts
- To Our Valued AN-SOF Customers and Users: Reflections, Milestones, and Future Plans
- AN-SOF 9.50 Release: Streamlining Polarization, Geometry, and EMF Calculations
- AN-SOF 9: Taking Antenna Design Further with New Feeder and Tuner Calculators
- AN-SOF Antenna Simulation Software - Version 8.90 Release Notes
- AN-SOF 8.70: Enhancing Your Antenna Design Journey
- Introducing AN-SOF 8.50: Enhanced Antenna Design & Simulation Software
- Get Ready for the Next Level of Antenna Design: AN-SOF 8.50 is Coming Soon!
- Explore the Cutting-Edge World of AN-SOF Antenna Simulation Software!
- Upgrade to AN-SOF 8.20 - Unleash Your Potential
- AN-SOF 8: Elevating Antenna Simulation to the Next Level
- New Release: AN-SOF 7.90
- AN-SOF 7.80 is ready!
- New AN-SOF User Guide
- New Release: AN-SOF 7.50
- AN-SOF 7.20 is ready!
- New Release :: AN-SOF 7.10 ::
- AN-SOF 7.0 is Here!
- New Release :: AN-SOF 6.40 ::
- New Release :: AN-SOF 6.20 ::
- Show All Articles (7) Collapse Articles
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- Types of Wires
- Wire Attributes
- Wire Materials
- Enabling/Disabling Resistivity
- Enabling/Disabling Coating
- Cross-Section Equivalent Radius
- Exporting Wires
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Models
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- Download Examples
- Explore 5 Antenna Models with Less Than 50 Segments in AN-SOF Trial Version
- Modeling a Center-Fed Cylindrical Antenna with AN-SOF
- Modeling a Circular Loop Antenna in AN-SOF: A Step-by-Step Guide
- Monopole Antennas Over Imperfect Ground: Modeling and Analysis with AN-SOF
- Modeling Helix Antennas in Axial Radiation Mode Using AN-SOF
- Step-by-Step: Modeling Basic Yagi-Uda Arrays for Beginners
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- Modeling an Inverted V Antenna for 40 Meters: Design Insights and Ground Effects
- Modeling a Super J-Pole: A Look Inside a 5-Element Collinear Antenna
- The 5-in-1 J-Pole Antenna Solution for Multiband Communications
- Simulating a Multiband Omnidirectional Dipole Antenna Design
- The Loop on Ground (LoG) Antenna: A Compact Solution for Directional Reception
- Precision Simulations with AN-SOF for Magnetic Loop Antennas
- Advantages of AN-SOF for Simulating 433 MHz Spring Helical Antennas for ISM & LoRa Applications
- Understanding the Folded Dipole: Structure, Impedance, and Simulation
- Experimenting with Half-Wave Square Loops: Simulation and Practical Insights
- Radar Cross Section and Reception Characteristics of a Passive Loop Antenna: A Simulation Study
- Design and Simulation of Short Top-Loaded Monopole Antennas for LF and MF Bands
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- Efficient NOAA Satellite Signal Reception with the Quadrifilar Helix Antenna
- Simulating Helical Antennas over Finite Wire-Grid Ground Planes
- Introduction to Yagi-Uda Arrays: Analyzing a 5-Element Beam with a Folded Dipole Driver
- Explicit Modeling of a 9-Element LPDA: Capturing Real-World Wideband Performance
- Exploring an HF Log-Periodic Sawtooth Array: Insights from Geometry to Simulation
- Boosting Performance with Dual V Antennas: A Practical Design and Simulation
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- The Lazy-H Antenna: A 10-Meter Band Design Guide
- Extended Double Zepp (EDZ): A Phased Array Solution for Directional Antenna Applications
- Transmission Line Feeding in Antenna Design: Exploring the Four-Square Array
- Enhancing VHF Performance: The Dual Reflector Moxon Antenna for 145 MHz
- Building a Compact High-Performance UHF Array with AN-SOF: A 4-Element Biquad Design
- Building a Beam: Modeling a 5-Element 2m Band Quad Array
- A Closer Look at the HF Skeleton Slot Antenna
- The 17m Band 2-Element Delta Loop Beam: A Compact, High-Gain Antenna for DX Enthusiasts
- The Moxon-Yagi Dual-Band VHF/UHF Antenna for Superior Satellite Link Performance
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- Rectangular Microstrip Patch Antennas: A Comparative Analysis of Transmission Line Theory and AN-SOF Numerical Results
- High-Performance Impedance Matching in Microstrip Antennas: The Role of Capacitive Feeding
- Simplified Modeling of Microstrip Antennas on Ungrounded Dielectric Substrates: A Practical First-Order Approach
- A Simple, Low-Cost Approach to Simulating Solid Wheel Antennas at 2.4 GHz
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- Nelder-Mead Optimization for Antenna Design Using the AN-SOF Engine and Scilab
- Evolving Better Antennas: A Genetic Algorithm Optimizer Using AN-SOF and Scilab
- Building Effective Cost Functions for Antenna Optimization: Weighting, Normalization, and Trade-offs
- Element Spacing Simulation Script for Yagi-Uda Antennas
- Automating 2-Element Quad Array Design: Scripting and Bulk Processing in AN-SOF
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Validation
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- The AN-SOF Calculation Engine
- Electric Field Integral Equation
- The Exact Kernel
- Conformal Method of Moments
- Excitation of the Structure
- Curved vs. Straight Segments
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- Navigating the Numerical Landscape: Choosing the Right Antenna Simulation Method
- AN-SOF Implements James R. Wait Theory for Ground Losses of LF/MF Radio Masts
- Overcoming 7 Limitations in Antenna Design: Introducing AN-SOF's Conformal Method of Moments
- Validating Numerical Methods: Transmission Line Theory and AN-SOF Modeling
- Circuit Theory Validation: Simulating an RLC Series Resonator
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- Simple Dual Band Vertical Dipole for the 2m and 70cm Bands
- Linear Antenna Theory: Historical Approximations and Numerical Validation
- Validation of a Panel RBS Antenna with Dipole Radiators against IEC 62232 Standard
- Validating V Antennas: Directivity Analysis with AN-SOF
- Enhanced Methodology for Monopoles Above Radial Wire Ground Screens
- Validating Dipole Antenna Simulations: A Comparative Study with King-Middleton
- Energy Conservation and Gain Convergence in Cylindrical Dipoles: A Numerical Validation Study
- Numerical Convergence and Stability of Input Impedance in Cylindrical Dipoles
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- Precision Modeling of Small Loop Antennas: Validating the Conformal Method of Moments (CMoM)
- Input Impedance and Directivity of Large Circular Loops: Theory vs. Numerical Simulation
- Helical Antennas in Normal Mode: Theoretical Limits and Numerical Validation
- Validating AN-SOF Simulations for Gain and VSWR of Helix Antennas in Axial Mode
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Book
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- 1.0 Table of Contents
- 1.1 Maxwell’s Equations and Electromagnetic Radiation
- 1.2 The Isotropic Radiator
- 1.3 Arrays of Point Sources
- 1.4 The Hertzian Dipole – FREE SAMPLE
- 1.5 The Short Dipole
- 1.6 The Half-Wave Dipole
- 1.7 Thin Dipoles of Arbitrary Length
- 1.8 Ground Plane and Image Theory
- 1.9 Monopole Antennas
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- 2.1 Radiation Pattern Fundamentals
- 2.2 Polarization
- 2.3 Radiated Power and Energy Conservation
- 2.4 Radiation Resistance
- 2.5 Radiation Efficiency
- 2.6 Directivity and Gain
- 2.7 Beamwidth and Sidelobes
- 2.8 Feedpoint Impedance and Bandwidth
- 2.9 The Reciprocity Principle
- 2.10 Receiving Mode Operation
- 2.11 Effective Aperture and Gain
- 2.12 The Friis Transmission Equation
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Tag - transmission lines
Articles featuring models incorporating various types of transmission lines and coaxial cables.
Articles
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.
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.
Explore the Four-Square Array: a phased array using six transmission lines in its feeding system. Perfect for directional control, it combines simplicity and performance for RF engineers, ham operators, and antenna designers.
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.
Validate AN-SOF numerical results against classical transmission line theory in this detailed study of a wire-over-ground-plane system. By utilizing the short-circuit and open-circuit impedance technique, we demonstrate how simulated data correlates with standard characteristic impedance formulas. This article provides a step-by-step procedure for modeling lines in the AN-SOF workspace and highlights the engine's precision in handling image theory and near-field interactions for numerical method validation.