Modularity in Off-Grid Field Radio
After testing a modular HF radio go kit concept last May, I wonder why we don’t see more modularity in the ham radio community. Hello […]
Grid Down Communications
Arctic Circle Off Grid 2023
In May 2023, Julian OH8STN, Ed WQ2U, and Oliver DL4KA set off on an off-grid communications field test above the Arctic Circle. The team aims to test new strategies for off-grid communications, spanning portable power, robust hardware, and antenna efficiency. The expedition will take place near Rovaniemi, Finland. Also, part of the testing includes new robust packet radio capabilities and power supplies. The team encourages interaction from the community via Winlink and APRS messages.
Efficient QRP Data communications
When discussing efficient low power communications, it is impossible to deny the effectiveness of narrow bandwidth data, even at low power levels. But wait, there’s […]
Disaster in Rolling Fork Mississippi
There are very few words! Many of you already know what I would say, if I were going to say something. There’s no need for […]
QRP NVIS Data Modes Go Kit (TR)uSDX
The (TR)uSDX is a budget-friendly HF radio covering the 80, 60, 40, 30 & 20 meter bands. Add a Digirig & tablet computer to it, […]
Snake oil The promise of License free Off-Grid Comms
There are no shortcuts in Survival Radio
73
Julian oh8stn
#hamradio
Lightweight Portable Power for Off Grid Communications
An Intelligent LiFePO4 portable power pack for off grid ham radio by DL4KA Oliver of DIY599. Hello Operators.Today we are interviewing Oliver DL4KA the popular […]
Stealth QRP Transmitter in Berlin
Operating a stealth QRP transmitter in a Berlin hotel room was an interesting ham radio experiment. Far away from home or even in a foreign […]
Starting point: Off Grid Survival Radio
One of the most asked questions in off grid ham radio for preparedness is “Where to start?” I’ll try to answer that question. Hello Operators.If […]
Best HF Ham Radio for Grid Down Survival
Choosing the best HF Ham Radio for off-grid or grid-down survival communications is challenging. In this blog, we go through key features every HF survival […]