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by g_p
1846 days ago
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I am surprised they've never tried to introduce some kind of erasure coding or error correction coding. A 4th word from a finite set could act as a "check word" that would detect wrong order of words, mis-spellings of words etc. I also feel like the solution W3W is trying to deliver is a short term patch until we get emergency SMS location from phones themselves delivered to the control room - having in band spoken location works until you have that, but W3W leaves a lot to be desired. Given it is an app, it might be easier for it to show the user words to read, which are themselves all just NATO phonetic alphabet words to spell their location. You'll get far more redundancy and human error correction over the voice channel using the phonetic alphabet than words. It wouldn't be as shiny a solution though, and that probably doesn't play into W3W's marketing strategy... Even if it would help save more lives. |
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