Air Compressors need off-grid power too
Ham Radio LiFePO4 battery powers 4500psi air compressor off-grid!
Education
Networking
Hello Operators. As I sit here enjoying the last week of my summer holiday, the disaster in Maui is an important reminder of maintaining our network […]
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 […]
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
DIY Random Wire Antenna Radio Prepper
Random wire antennas are sometimes necessary when more efficient solutions aren’t possible. Let’s join Gil F4WBY in learning how to build our own. In this […]
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 […]