Category: Technology
MeshCom: Your entry into a decentralized radio mesh network for radio amateurs
What is MeshCom? – a simple overview MeshCom is an open source project from the Institute of Citizen Science for Space & Wireless Communication (ICSSW), which aims to realize text-based communication via LoRa modules in amateur…
📱 Use HAMSIP with the iPhone – step by step for beginners
You want to make calls with your iPhone via HAMSIP? Here we will show you how to set up everything - from the VPN connection to the Hamnet to the finished telephony with a SIP app.…
Setting up HAMSIP telephony on the PC – step-by-step
This is a follow-up to “HAMSIP Telephony: Our New Toy ” and describes how to set up HAMSIP completely on a Windows PC, without a SIP phone and additional network hardware. 1. Request Hamnet access Go…
HAMSIP telephony - Our new toy
Some time ago we attended a HAMNET workshop in Vienna and since then we have been playing around with the Internet for radio amateurs. A separate number range on the Internet, starting with 44.xxx.xxx.xxx, is reserved…
Powerful radio power supply with Einhell batteries
As an enthusiastic radio amateur, you are always looking for innovative solutions to operate your station efficiently. I asked myself: Why not use the tried and tested Einhell 18V batteries to supply my transceiver with maximum…
Broadband receiver with a Quansheng UV-K5 - is that possible?
Michael OE8YML has long been fascinated by Quansheng devices. He was particularly interested in developing a cost-effective broadband receiver. Although there were already various kits on the market, none initially fully met his requirements. The turning…
HackRF Portapack Maymem H4M
The discovery I am constantly looking for interesting devices, kits, etc. During my online research I came across the PortaPack Mayhem MH4 - a promising SDR system for technology enthusiasts. After ordering, a waiting period of…
Emergency power supply with discarded batteries
For our project “2nd Life for GEL batteries” we converted two 140Ah GEL batteries from a UPS system. These batteries, which had to be replaced due to their age, should be given a second chance at…
Experiments with self-sufficient power supply for our radio station
After repowering our roof PV system after 10 years of operation, a few older PV modules remained that are ideal for experiments and craft projects, such as the emergency power supply for our radio systems. The…
Common Mode Current Indicator for Shortwave
This project article describes step by step the construction of a sheath wave indicator that shows directly on the coaxial cable whether sheath waves are being generated. When sheath waves occur, an LED lights up. The…
New tools on our website
🛠️ Current tool overview This post is from 2024. For a complete, up-to-date overview of all oeradio.at tools – including our own open-source projects with GitHub links – please visit our Tools page . Go to…
Turn old into new - recycle batteries and use them for radio activities
Recycling is worth it! Our amateur radio club Spittal Drau has impressively proven this. At the beginning of this year, one of our members received a special gift basket from a radio amateur friend from OE7…
