72 Hours of Emergency Power on a Budget
Hello Operators.The high cost of lightweight, amorphous silicon solar panels can be tough on budgets. After some research, I’ve found an American made solar briefcase […]
oh8stn
HF APRS & HF Winlink on ANDROID Deviceas
Hello Operators.We have finally arrived at something special. It is a pleasure to announce the arrival of HF APRS & HF Winlink to Android devices. […]
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 […]
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
Aurora Borealis at 65° North in Finland
Not my usual type of post, but I thought you all would like to see images of the aurora borealis the Northern Lights, from Oulu […]
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 […]
Keep It Simple Stupid | Survival Radio
Survival Radio with a Raspberry Pi is a technical endeavor. The emcomm tools we use will always require parallel operator skills. There is no getting […]
Off Grid JS8Call Time Sync No GPS or NTP needed
After my last video, some of you thought JS8Call was GPS or NTP dependent. Here is a little known feature you may not know about. […]