# Antennas and Beyond!

## 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.

• ##### DIY Helix High Gain Directional Antenna: From Simulation to 3D Printing

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.

• ##### Navigating the Numerical Landscape: Choosing the Right Antenna Simulation Method

Here we provide an overview of various numerical methods used in Computational Electromagnetics (CEM), with a special focus on antenna simulation methods: FDTD, FEM, MoM, CMoM, FMM, MLFMM, FVTD, GO, GTD, UTD, PO, PTD, DDM.

• ##### Accurate Analysis of Solid Wheel Antennas at 2.4 GHz Using Cost-Effective Simulation

Revolutionize antenna modeling with our simplified method. Accurately simulate 2.4 GHz wheel antennas for optimal performance.

• ##### Simplified Modeling for Microstrip Antennas on Ungrounded Dielectric Substrates: Accuracy Meets Simplicity

Discover a simple yet precise method for modeling microstrip antennas on ungrounded dielectric substrates.

• ##### AN-SOF Implements James R. Wait Theory for Ground Losses of LF/MF Radio Masts

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.

• ##### Linear Antenna Theory: Historical Approximations and Numerical Validation

Discover the vital role of historical theoretical results alongside advanced numerical calculations in accurately approximating current distribution on linear antennas.

• ##### Wave Matching Coefficient: Defining the Practical Near-Far Field Boundary

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.

• ##### Validating Panel RBS Antenna with Dipole Radiators against IEC 62232

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.

• ##### Advantages of AN-SOF for Simulating 433 MHz Spring Helical Antennas for ISM & LoRa Applications

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.

• ##### On the Modeling of Radio Masts

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.