Understanding Thermal Protection in Transceiver and Tactical Radios
When it comes to radios, especially those used for critical communications, managing heat is a…
Understanding Transmitter Duty Cycle and Digital Modes
By Mason Turner, AF4MT What is Duty Cycle? In the world of amateur radio, duty…
A Deep Dive into the Retevis Ailunce HA1UV
For amateur radio enthusiasts and outdoor adventurers, reliable communication is not just a convenience—it’s a…
Understanding the Sources of Noise on HF Radio and the Role of the S-Meter
High Frequency (HF) radio is a powerful tool for communication across vast distances. It plays…
The KM6LYW Radio DigiPi Project: A Comprehensive Guide
Introduction In the realm of amateur radio, the need for a versatile, user-friendly, and cost-effective…
VR-N76 7W Radio: Experience Next-Level Communication
In the rapidly evolving landscape of communication technology, the VR-N76 7W Dual Band radio stands…
Exploring the Portable Software Defined Radio (PSDR): A Journey into Amateur Radio Innovation
The realm of amateur radio has long been a playground for enthusiasts seeking to push…
Automatic TX/RX Antenna Switch
Sometimes it is necessary to use separate antennas for receive and transmit. For example you…
Maintaining Communication
When making contact with other station, I usually ask about my signal report. This is…
Eliminate Microphone's Interference
Today, microphone became part of the important component to our transceivers. Most of ham radio…
What is carrier frequency?
A carrier frequency is a single radio frequency with steady amplitude. Alone, it would sound…
SSB – Single sideband modulation
a summary, information or overview describing what is SSB modulation, and how single sideband modulation…
TX Power Mod for Yaesu FT857(D)
WARNING: changing these will reset all the memories. Enter the Service menu. I want to…
CW Spectral Waveforms
Spectral waveforms show signal level as a function of frequency. Typically, they are measured by…
CHIRP – Opensource Memory Programmer
CHIRP is a free, open-source tool for programming your amateur radio. It supports a large…
Software Program Frekuensi Memory Yaesu FT817, FT857 Dan FT897
FTBasicMMO adalah satu software memory management untuk Yaesu FT-817, FT-817ND, FT-847, FT-857, FT-857D, FT-897 and…
Linear VS Switching Power Supply
For amateur radio operators, linear and switching power supplies are the most common power supplies…
Switching Mode Power Supply (SMPS) Interference
1. Why are Switched Mode Power Supplies (SMPS) associated with radio interference? Switched mode power supplies…
Yaesu FT857 All Band All Mode DSP Transceiver
The Yaesu FT-857D is a multimode amateur transceiver that transmits and receives communications on bands…
Prosecution for illegal radio jamming
In ZL a man has been sentenced for supplying illegal radio jamming transmitters after a…
APRS And Kenwood
Bob Bruninga WB4APR talks about his relationship with Kenwood and APRS The Kenwood TH-D7AG Data…