Adventures in RF, Electronics, and General Tinkering

Vintage Ham Radio Equipment: Preserving History and Its Value to Operators Today

By KE4BFI June 25, 2023Amateur RadioNo Comments

Vintage ham radio equipment holds a special place in the hearts of amateur radio operators. These classic radios, often decades old, evoke nostalgia and offer a unique connection to the…

Easy-to-Build Amateur Radio Antenna Types for Various Frequencies

By KE4BFI June 25, 2023Amateur Radio, AntennasNo Comments

Amateur radio enthusiasts often enjoy the challenge and satisfaction of building their own antennas. Not only does this offer cost-effective solutions, but it also allows for customization and experimentation. In…

Propagation at 1090 MHz for ADS-B Systems

By KE4BFI June 25, 2023ADSB Projects, AntennasNo Comments

Understanding the intricacies of propagation at 1090mhz is vital for optimizing range, reliability, and accuracy. Let's delve into the key aspects of propagation at 1090 MHz: Line-of-Sight (LOS) Communication: At…

Unlocking the Secrets of HF Propagation: Navigating the Pathways of Radio Signals

By KE4BFI June 25, 2023Amateur Radio, AntennasNo Comments

In the vast realm of radio communications, understanding HF propagation is like deciphering the invisible highways along which our signals travel. High Frequency (HF) propagation plays a crucial role in…

Elevating the Excitement of Flight Tracking

By KE4BFI June 25, 2023ADSB ProjectsNo Comments

In the realm of aviation enthusiasts and technology enthusiasts alike, one activity that never fails to captivate is tracking flights using ADS-B (Automatic Dependent Surveillance-Broadcast). With its ability to provide…

Decoding ADS-B: Unveiling the Top SDR Dongles for Optimal ADS-B Reception

By KE4BFI June 24, 2023ADSB Projects, SDR Projects1 Comment

When it comes to selecting the best SDR (Software-Defined Radio) dongle for ADS-B (Automatic Dependent Surveillance-Broadcast), there are several popular options known for their performance and compatibility. Let's take a…

Amateur Radio Field Day: Celebrating Communication and Community

By KE4BFI June 24, 2023Amateur RadioNo Comments

Greetings, fellow radio enthusiasts and communication aficionados! Today, we gather to celebrate one of the most thrilling and engaging events in the realm of amateur radio: Field Day. This annual…

10 Raspberry Pi projects based on Software-Defined Radio (SDR)

By KE4BFI June 23, 2023ADSB Projects, RPi Projects, SDR ProjectsNo Comments

ADS-B Receiver: Build an ADS-B receiver using Raspberry Pi and Software-Defined Radio (SDR) to track aircraft in your vicinity. This project utilizes RTL-SDR dongles and the Dump1090 software. More information…

The Vital Role of the Amateur Radio Community in ADS-B and Flight Tracking

By KE4BFI June 23, 2023ADSB Projects, Amateur RadioNo Comments

The world of flight tracking and ADS-B (Automatic Dependent Surveillance-Broadcast) technology has experienced significant growth and innovation in recent years. Amidst this progress, the involvement of the amateur radio community…

What is MLAT and Why Is It Important?

By KE4BFI June 22, 2023ADSB ProjectsNo Comments

Multilateration (MLAT) is a technique used in aviation for tracking aircraft positions based on the time difference of arrival (TDOA) of their signals received by multiple ground-based receivers. MLAT is…