No. Yes. And any sonar that exists already in use and has been since its invention. Mariners are asked to turn sonar devices off when near whales.
It sounds like they’re talking about some sort of flir device.
No. Yes. And any sonar that exists already in use and has been since its invention. Mariners are asked to turn sonar devices off when near whales.
It sounds like they’re talking about some sort of flir device.