The Hermes-Lite is a low-cost direct down/up conversion software defined amateur radio HF transceiver based on a broadband modem chip and the Hermes SDR project. It is entirely open source and open hardware, including the tools used for design and fabrication files. The SDR is controlled over your LAN, and plugs into your router. This can provide both […]
If you have spent time listening to HF you may have noticed the distinctive sound of HF Fax, something I thought had disappeared 20 years ago. FAX seems like a very old technology now, although before the days of email the FAX machine was the only way to send near real-time images between people. HF Fax uses […]
Amateurs often launch HAB containing telemetry and sometimes SSTV of the ability to take and store pictures. The launch schedule is usually published online, its worth starting with this online resource. Tracking is based on an adapted version of FLdigi, this program once configured with your callsign and location will manage the upload to a […]
In the days when computers filled the size of your front room most people used paper to log their QSO, but today electronic QSO logging has a number of advantages. I was first licensed in 2003, and I took the decision to electronically log from the start. I mainly operated digital modes, so electronic logging […]