Antennas and Beyond!
This is a blog dedicated to exploring the fascinating world of antenna design and simulation. Whether you’re a beginner or an experienced engineer, you’ll find valuable insights into antenna modeling, theory, numerical methods, and practical examples of antenna models using AN-SOF Antenna Simulation Software.
Featured
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Introducing AN-SOF 10.5 – Smarter Tools, Faster Workflow, Greater Precision
We’re excited to announce the release of AN-SOF Antenna Simulator version 10.5, bringing a powerful set of new features and enhancements designed to improve your workflow and elevate your modeling precision.
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Exploring an HF Log-Periodic Sawtooth Array: Insights from Geometry to Simulation
This article explores the design and analysis of log-periodic sawtooth arrays (LPSA) for HF communications. It covers their geometric principles, frequency-independent characteristics, and demonstrates how AN-SOF simulation software models these antennas, providing valuable insights into their performance and behavior.
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Evaluating EMF Compliance – Part 2: Using Near-Field Calculations to Determine Exclusion Zones
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.
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Unlock the world of antenna design! This section offers engaging resources for educators and students, fostering a deeper understanding of antenna theory and practice.
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Take your ham radio skills to the next level! This section offers practical tips, tutorials, and project ideas specifically designed for the needs and interests of radio enthusiasts.
Advanced RF Edge
Delve into the cutting edge of antenna design. This section explores industry trends, insightful case studies, and advanced technical insights to empower antenna professionals.
Categories
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Recent Articles
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New Release :: AN-SOF 6.20 ::
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AN-SOF Antenna Simulation Best Practices: Checking and Correcting Model Errors
Refine AN-SOF antenna simulations. Identify and resolve errors with precision, ensuring model integrity.
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Adjusting the Color Bar in AN-3D Pattern
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.
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How to Speed Up Simulations in AN-SOF: Tips for Faster Results
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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Indexed Articles
- 2.5 Antenna Effective Length
- 1.3 Arrays of Point Sources
- Aborting the Calculations
- Accurate Analysis of Solid Wheel Antennas at 2.4 GHz Using Cost-Effective Simulation
- Adding a Custom Lossy Line
- A Closer Look at the HF Skeleton Slot Antenna
- Adding a Dielectric Substrate
- Adding a Feed Line and Transformer
- Adding a PEC Ground Plane
- Adding a Real Ground Plane
- Adding Loads
- Adding Sources
- Adding Transmission Lines
- Adjusting the Color Bar in AN-3D Pattern
- Advantages of AN-SOF for Simulating 433 MHz Spring Helical Antennas for ISM & LoRa Applications
- An Efficient Approach to Simulating Radiating Towers for Broadcasting Applications
- An RLC Circuit
- AN-SOF 7.0 is Here!
- AN-SOF 7.20 is ready!
- AN-SOF 7.80 is ready!
- AN-SOF 8.70: Enhancing Your Antenna Design Journey
- AN-SOF 8: Elevating Antenna Simulation to the Next Level
- 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 Best Practices: Checking and Correcting Model Errors
- AN-SOF Antenna Simulation Software - Version 8.90 Release Notes
- AN-SOF Data Export: A Guide to Streamlining Your Workflow
- AN-SOF Engine User Guide
- AN-SOF Implements James R. Wait Theory for Ground Losses of LF/MF Radio Masts
- AN-SOF in Action: Modeling and Understanding the Performance of Fractal Antennas
- AN-SOF Mastery: Adding Elevated Radials Quickly
- AN-SOF Overview
- AN-SOF User Guide
- Antennas on a Ship
- Arc
- Archimedean Spiral
- Articles Index Directory
- A Transmission Line
- Automating 2-Element Quad Array Design: Scripting and Bulk Processing in AN-SOF
- 2.9 Beamwidth and Sidelobes
- Beyond Analytical Formulas: Accurate Coil Inductance Calculation with AN-SOF
- Boosting Performance with Dual V Antennas: A Practical Design and Simulation
- Broadband Directional Antenna
- Broadside Dipole Array
- Building a Beam: Modeling a 5-Element 2m Band Quad Array
- Building a Compact High-Performance UHF Array with AN-SOF: A 4-Element Biquad Design
- Building Effective Cost Functions for Antenna Optimization: Weighting, Normalization, and Trade-offs
- 3.3 Calculating Input Impedance
- 3.1 Cylindrical Wire Antennas
- Calculating the Current Distribution
- Calculating the Far Field
- Calculating the Near E-Field
- Calculating the Near H-Field
- Can AI Design Antennas? Lessons from a 3-Iteration Yagi-Uda Experiment
- Capacitively-Fed Patch
- Car Roof Antenna
- Circle
- Complete Workflow: Modeling, Feeding, and Tuning a 20m Band Dipole Antenna
- Cone
- Conformal Method of Moments
- Connecting Transmission Lines
- Connecting Wires
- Connecting Wires to the Ground
- Convergence of the Dipole Input Impedance
- Copying and Stacking Wires
- Cross-Section Equivalent Radius
- Curved vs. Straight Segments
- Custom Feed Line Options
- Custom Preferences
- Custom Transmission Lines
- Cylinder
- 5.2 Differential Equation Methods
- 2.8 Directivity and Gain
- Defining the Environment
- Defining the Excitation
- Deleting a Grid/Surface
- Deleting a Wire
- Deleting Multiple Wires
- Design and Simulation of Short Top-Loaded Monopole Antennas for LF and MF Bands
- Design Guidelines for Skeleton Slot Antennas: A Simulation-Driven Approach
- Dipole Antenna
- Dipole Gain and Radiation Resistance
- Disc
- Disclaimer of Warranty
- Dish Antenna
- Displaying Smith Charts
- DIY Helix High Gain Directional Antenna: From Simulation to 3D Printing
- Download Examples
- 2.14 Effective Aperture and Gain
- 2.12 Equivalent Circuits for TX/RX
- 3.7 Equivalent Radius for Non-Circular Wires
- Editing Loads
- Editing Sources
- Editing Transmission Lines
- Efficient NOAA Satellite Signal Reception with the Quadrifilar Helix Antenna
- Electric Field Integral Equation
- Element Spacing Simulation Script for Yagi-Uda Antennas
- Enabling/Disabling Coating
- Enabling/Disabling Loads
- Enabling/Disabling Resistivity
- Enhanced Methodology for Monopoles Above Radial Wire Ground Screens
- Enhancing Antenna Design Flexibility: Project Merging in AN-SOF
- Enhancing VHF Performance: The Dual Reflector Moxon Antenna for 145 MHz
- 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
- Evolving Better Antennas: A Genetic Algorithm Optimizer Using AN-SOF and Scilab
- Excitation by an Incident Field
- Excitation of the Structure
- Experimenting with Half-Wave Square Loops: Simulation and Practical Insights
- Explore 5 Antenna Models with Less Than 50 Segments in AN-SOF Trial Version
- Explore the Cutting-Edge World of AN-SOF Antenna Simulation Software!
- Exploring an HF Log-Periodic Sawtooth Array: Insights from Geometry to Simulation
- Exploring the Spiral Loop Antenna: A Compact Solution for 80m DXing
- Exporting Currents on a Wire
- Exporting the Far Field
- Exporting the Near Field
- Exporting Wires
- Export Radiation Patterns to MSI Planet
- Export Radiation Patterns to Radio Mobile
- Extended Double Zepp (EDZ): A Phased Array Solution for Directional Antenna Applications
- 7-Element Yagi-Uda
- 5-Element Yagi-Uda
- 3-Element Yagi-Uda
- 2.10 Feedpoint Impedance and Bandwidth
- 3.2 Feedpoint Resistance and Reactance
- 2.2 Field Strength and Intensity Plots
- 4.7 Fractal Antennas
- Far Field Parameters
- Fast Modeling of a Monopole Supported by a Broadcast Tower
- Feeder Results: Input Impedance and Losses
- File Formats
- Flat Ring
- Front-to-Rear and Front-to-Back Ratios: Applying Key Antenna Directivity Metrics
- 3.5 Hallén’s Integral Equation
- 4.2 Helical Antennas
- 5.4 Hybrid Numerical Techniques
- 4.5 Horn Antennas
- Half-Wave Dipole
- Helical Antenna with Grid Reflector
- Helical Antenna with PEC Reflector
- Helix
- H-Field Option in Preferences
- Horn Antenna
- How to Adjust the Radiation Pattern Reference Point for Better Visualization
- How to Speed Up Simulations in AN-SOF: Tips for Faster Results
- 3.8 Impedance of Short Dipoles and Monopoles
- 3.4 Induced EMF Method
- 5.3 Integral Equation Methods
- 5.1 Introduction to Antenna Simulation
- Importing Wires
- Incident Field Parameters
- Input Impedance and Directivity of Large Circular Loops
- Internal Impedance of a Source
- Introducing AN-SOF 10.5 – Smarter Tools, Faster Workflow, Greater Precision
- Introducing AN-SOF 8.50: Enhanced Antenna Design & Simulation Software
- Introducing the AN-SOF Engine: Power, Speed, and Flexibility for Antenna Simulation
- Inverted V Antenna
- 4.4 Log-Periodic Arrays
- 4.1 Loop Antennas
- 2.6 Loss Resistance Modeling
- Licensing FAQ
- Line
- Linear Antenna Theory: Historical Approximations and Numerical Validation
- Linking Log-Periodic Antenna Elements Using Transmission Lines
- Listing Load Impedances
- Listing the Currents in a Segment
- Listing the Input Impedances, VSWR, and S11
- Logarithmic Spiral
- Log-Periodic Christmas Tree
- Log-Periodic Dipole Array
- 5.5 Method of Moments (MoM)
- 4.8 Microstrip Patch Antennas
- 3.10 Mutual Impedance Between Wires
- 1.1 Maxwell’s Equations and Electromagnetic Radiation
- MI2 Fractal Loop
- Microstrip Antenna Array
- Microstrip Dipole
- Modeling a Center-Fed Cylindrical Antenna with AN-SOF
- Modeling a Circular Loop Antenna in AN-SOF: A Step-by-Step Guide
- Modeling a Super J-Pole: A Look Inside a 5-Element Collinear Antenna
- Modeling Coaxial Cables
- Modeling Common-Mode Currents in Coaxial Cables: A Hybrid Approach
- Modeling Helix Antennas in Axial Radiation Mode Using AN-SOF
- Modifying a Grid/Surface
- Modifying a Wire
- Monopole Above Earth Ground
- Monopole Antennas Over Imperfect Ground: Modeling and Analysis with AN-SOF
- Moving, Rotating, and Scaling Wires
- 4.6 Parabolic Reflectors
- 3.6 Pocklington’s Integral Equation
- Parabolic Grid Antenna
- Paraboloid
- Patch
- Patch Antenna
- Pi Day Special: A Short Dipole with Radiation Resistance of 3.14 Ohms
- Plate
- Plotting 2D Far Field Patterns
- Plotting 3D Far Field Patterns
- Plotting Near Field Patterns
- Plotting the Current Distribution
- Plotting the Far Field Spectrum
- Plotting the Near Field Spectrum
- Power Budget
- Precision Simulations with AN-SOF for Magnetic Loop Antennas
- Project Details
- 2.7 Radiation Efficiency
- 2.1 Radiation Pattern Fundamentals
- 2.4 Radiation Resistance
- 2.11 Receiving Mode Operation
- Radar Cross Section
- Radar Cross Section and Reception Characteristics of a Passive Loop Antenna: A Simulation Study
- Radiation Resistance and Directivity of Small Loops
- Radio Mast Above Wire Screen
- Random Loop
- RCS of Aircraft
- Removing the Ground Plane
- RF Calculators
- RF Techniques: Implicit Modeling and Equivalent Circuits for Baluns
- Running a Bulk Simulation
- 2.15 The Friis Transmission Equation
- 1.6 The Half-Wave Dipole
- 1.4 The Hertzian Dipole
- 1.9 The Hertzian Monopole
- 1.2 The Isotropic Radiator
- 2.13 The Reciprocity Principle
- 1.5 The Short Dipole – FREE SAMPLE
- 1.7 Thin Dipoles of Arbitrary Length
- 3.9 Top-Loading for Short Monopoles
- 2.3 Total Radiated Power
- Tabular Input of Linear Wires
- Tapered Wires
- Technical FAQ
- The 17m Band 2-Element Delta Loop Beam: A Compact, High-Gain Antenna for DX Enthusiasts
- The 3D-View Interface
- The 5-in-1 J-Pole Antenna Solution for Multiband Communications
- The AN-SOF Calculation Engine
- The AN-SOF Interface
- The Conformal Method of Moments
- The Exact Kernel
- The Lazy-H Antenna: A 10-Meter Band Design Guide
- The List Currents Toolbar
- The Loop on Ground (LoG) Antenna: A Compact Solution for Directional Reception
- The Moxon-Yagi Dual-Band VHF/UHF Antenna for Superior Satellite Link Performance
- The Plots Tab
- The Results Tab
- The Run ALL Command
- The Settings Panel
- The Setup Tab
- The Source/Load/TL Toolbar
- Tools in the Workspace
- To Our Valued AN-SOF Customers and Users: Reflections, Milestones, and Future Plans
- Transmission Line Feeding in Antenna Design: Exploring the Four-Square Array
- Troubleshooting
- Truncated Cone
- Tuner for Impedance Matching
- Types of Excitations and Loads
- Types of Grids and Surfaces
- Types of Results
- Types of Wires
- 1.0 Table of Contents
- Navigating the Numerical Landscape: Choosing the Right Antenna Simulation Method
- Near Field Parameters
- Nelder-Mead Optimization for Antenna Design Using the AN-SOF Engine and Scilab
- New AN-SOF User Guide
- New Release :: AN-SOF 6.20 ::
- New Release :: AN-SOF 6.40 ::
- New Release :: AN-SOF 7.10 ::
- New Release: AN-SOF 7.50
- New Release: AN-SOF 7.90
- New Tools in AN-SOF: Selecting and Editing Wires in Bulk
- Numerical Green's Function
- Scilab Script for Plotting Level Curves
- Selecting and Modifying Multiple Wires
- Selecting a Wire
- Shortcut Keys
- Simple Dual Band Vertical Dipole for the 2m and 70cm Bands
- Simplified Modeling for Microstrip Antennas on Ungrounded Dielectric Substrates: Accuracy Meets Simplicity
- Simulating a Multiband Omnidirectional Dipole Antenna Design
- Specifying the Frequencies
- Sphere
- Step-by-Step: Modeling Basic Yagi-Uda Arrays for Beginners