There's a real-life horror story involving morse code, that now I'm just confused about.
When the Missouri was sunk in the Pearl harbor attacks, many watertight chambers still had guys alive inside, for as long as several days until they suffocated.
According to the version of the story that I heard, these poor doomed souls were able to communicate with people up above with morse code, tapping on the metal of the ship. And people up top were able to talk back at them.
I don't think the different between a pause and a dash is a deal-killer here, you just have to take long enough in your pauses to be able to tell them from a dash. I'm sure it helps to already have one's own rythm well established... I don't think it would work if you'd never done morse code before, and were trying to use a codebook for the first time.
Oh, and the reason it's a horror story, is because command at the time decided that resources were better spent on the surface, and not expensive rescues underwater.
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When the Missouri was sunk in the Pearl harbor attacks, many watertight chambers still had guys alive inside, for as long as several days until they suffocated.
According to the version of the story that I heard, these poor doomed souls were able to communicate with people up above with morse code, tapping on the metal of the ship. And people up top were able to talk back at them.
I don't think the different between a pause and a dash is a deal-killer here, you just have to take long enough in your pauses to be able to tell them from a dash. I'm sure it helps to already have one's own rythm well established... I don't think it would work if you'd never done morse code before, and were trying to use a codebook for the first time.
Oh, and the reason it's a horror story, is because command at the time decided that resources were better spent on the surface, and not expensive rescues underwater.