▸ Personal RF Engineering Portfolio

Antenna
Designs
& Experiments

A growing collection of homemade antenna designs — built, tested, and documented. From simple dipoles to multi-element Yagis, everything is open to explore.

▸ View Designs

▸ 01 / Designs

Built & Documented

SGH

Standard Gain Horn

Design of Standard Gain Horns with different operating frequencies.

Various Frequencies ~20m span SWR < 1.5 RG-58

Yagi-Uda

5-Element Yagi — 2m Band

Directional VHF Yagi for 144 MHz. Built from aluminum tubing with a boom length of 1.2m. Used for portable SOTA activations.

144 MHz ~10 dBd gain F/B 20 dB Portable

Loop

Magnetic Loop — 20m / 40m

Compact tunable magnetic loop for indoor and stealth operation. Covers 20m and 40m with a high-Q capacitor for sharp tuning.

7–14 MHz 1m diameter High-Q Stealth

Vertical

Quarter-Wave Vertical — 10m

Simple 10m ground-plane vertical with four radials. Great DX performance at low angles. Built from copper pipe and a SO-239 connector.

28.5 MHz ~2.5m tall 4 radials SO-239

Patch / Planar

2.4 GHz Patch Antenna

PCB patch antenna for 2.4 GHz WiFi / ISM band experimentation. Designed in KiCad and etched at home. Measured 6 dBi gain.

2.4 GHz ~6 dBi PCB etched KiCad

+ MORE DESIGNS
COMING SOON

▸ 02 / About

The Builder

Radio hobbyist with a passion for RF experimentation. I build antennas mostly from scratch — scavenged parts, copper pipe, aluminum tubing, and whatever else I can repurpose.

This site is a living notebook of designs I've built and tested. Every entry includes construction notes, measured performance, and lessons learned.

Licensed amateur radio operator. Interested in HF propagation, portable operation, and microwave experiments.

12+ Designs Built
7 Bands Covered
3 Years Experimenting
More to Build

▸ 03 / Contact

Get in Touch

Questions about a design, want to collaborate, or just want to talk radio? Feel free to reach out.

sdm.simulation@gmail.com@email.com