Germany has deployed the frigate Sachsen as the flagship of an alliance maritime task group to replace HMS Dragon, which has ...

Abstract: High Frequency (HF) communication systems use radio waves at frequencies in the range of 3-30 MHz propagating in the form of skywave with the help of the ionosphere. For emergency ...

If DX happens when you sleep, and you missed it, did it really even occur? The RabbitEars.Info FM autologger ensures such ...

Although the RTL-SDR is cheap, accessible, and capable enough for many projects, it does have some important limitations. In ...

The regime is overmatched militarily, but still has tools for returning fire.

As of 3 August 2023, OSNMA switched public key format, so this project will no longer work and needs patching. Unfortunately, I no longer have access to the equipment that was provided to me by the ...

Abstract: In this paper, we focus on the development and realistic evaluation of a resource allocation approach for cognitive radios implemented with Software Defined Radio (SDR) technology over two ...

Live commentary of Wales v Bosnia and Herzegovina in the World Cup play‑off semi‑final. A round-up of the day's top news and sport with Clare McDonnell and Chris Warburton. Plus interviews with people ...

Red Flag Warning from SAT 12:00 PM CDT until SAT 7:00 PM CDT Become a Ham Radio Operator!