[Harrison Sand] just finished a guide on how to use SDR to listen in on Police and Fire radio bands. The project, which results in the crystal clear audio reception heard after the break ...

One of the best ways to learn about radios is to build your own, even in the age of cheap SDR dongles. [Aniss Oulhaci] demonstrates this with a simple HF SDR receiver built on a breadboard.

In this guide, we'll explore the importance of the B2B appointment ... customers before reaching out to them and pitching the company's product or service. The SDR then screens prospects based on a ...

The rates used by the IMF to pay interest and levy charges each financial quarter are shown here. The SDR interest rate, calculated every week, is the primary rate from which other rates are derived.