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Can you buy off the shelf emergency beacons that can surface from 400 ATM or broadcast through 13000 ft of water?
by saalweachter 3y ago
Can you buy off the shelf emergency beacons that can surface from 400 ATM or broadcast through 13000 ft of water?
- ClumsyPilot 3y agowhy does it need to be off the shelf, their submarine is not off the shelf. If off the shelf stuff odbly does 200 ATM, then limit your depth or mame custom ones.