Learn how US aircraft carriers navigate when aircraft radar and aircraft GPS fail, using celestial navigation, dead reckoning, and resilient backup systems in contested warzones. Pixabay, ...

Whether fishing out of your kayak after work, on the boat for the weekend, or on the ice in winter, a portable fish finder will come in handy. The movable device will help you determine structure, ...

I’m PCMag’s senior writer covering smart home and wearable devices. I’ve been reporting on tech professionally for nearly a decade and have been obsessing about it for much longer than that. Prior to ...

Abstract: In this paper, we analyze the direction-of-arrival (DOA) of the ice-sheet data collected over Jakobshavn Glacier with the airborne Multichannel Radar Depth Sounder (MRDS) during the 2006 ...

You can also set us as a preferred source in Google Search/News by clicking the button. Save $327.97 while this limited-time sale lasts. Marine GPS smartwatches rarely see discounts this deep outside ...

Abstract: During the last decades, radar sounders provided direct measurements (radargrams) of the Earth’s polar caps’ subsurface. Radargrams are of critical importance for a better understanding of ...

Concept image of what will be the country's largest marine scientific vessel. [Provided to chinadaily.com.cn] Guangzhou Shipyard International Co and Guangdong Institute of Intelligent Unmanned System ...