More than a decade after Jeff Bezos first teased drone package delivery as a not-so-far-off reality, Amazon is continuing to take steps to carve out its own vision for bringing such a service to ...

[Andy] sent in this pdf (mirror) describing a simply diy UWB Radar project. It’s not intuitive, but by using a wide frequency range for low power, short distance purposes, the system should ...

Indian firm Data Patterns has unveiled its HAWK I 2700 multifunction fire control and tracking radar at the Aero India 2025 ...

India's Defence Research and Development Organisation (DRDO) has unveiled a new very-high-frequency (VHF)-band surveillance ...

Meanwhile if you’re interested in Doppler radar, here’s how to design one for a lower frequency.

What is a high-frequency radar? High-frequency or HF radar is a shore-based remote sensing system used to measure offshore water surface currents by sending a low-power electromagnetic pulse over the ...

"The amplifier was designed by ESA's Radio Frequency Equipment and Technology ... To achieve this Wivern would employ W-band radar signals. In practice, this would involve transmitting thousands ...