They can and they are. For instance: https://sensysmagnetometer.com/products/mag...

		lsaferite on May 25, 2024 \| parent \| context \| favorite \| on: Peeking underground with giant flying antennas They can and they are. For instance: https://sensysmagnetometer.com/products/magdrone-r4-magnetom... https://sensysmagnetometer.com/unexploded-ordnance-uxo/