[Kristen] gets into RF grounds, DC grounds, and phasors. If you’ve ever wanted to ground your antenna or deal with RF interference, you’ll find a lot of information in this 45-minute video.

Antennas used with ground penetrating radar (GPR) come in different shapes and sizes. The largest antennas typically radiate the lower frequencies necessary to detect the deepest targets.

and can reconfigure for ground-to-space or ground-to-ground communications. The antenna reminded us of a finger trap and you can see it for yourself in the video below. Because of the antenna’s ...