How do you signal the Coast Guard when you need help? You use your VHF radio, of course, and you broadcast on either channel 9 or 16 (in the US, anyway). Then, when they’re dispatched, what is the very best single way to help guide them to you? Pocket flares? Marker dye in the water? Flashlights? Shoulder strobes? GPS-equipped personal locator beacons?
No, no, no, and no. The answer, once again, is your VHF radio.
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