Grumpy Old Geeks Topics Battlefield drone technology Topic Battlefield drone technology 2 mentions in 1 episode The hosts discuss fiber-optic drone controls, signal jamming, and navigation using landmarks. Mentions 700: Going Antiquing Jun 6, 2025 11:02 These drones ... are actually tethered with up to 10 miles of optical fiber cable. 11:26 Ukraine is trying to get around the signal jamming aspect of it ... to use landmarks instead of GPS.