5 ms·
Should be pretty good as it’s one of the distress signals that pilots are taught to look for.
by thedrbrian 7y ago
Should be pretty good as it’s one of the distress signals that pilots are taught to look for.
- xenonite 7y ago> “The SOS signal is what most people know, but the downside is it is very curvy,” says Krebs. “Most of nature is curvy – it is rounded hills and lakes and streams, so curvy blends in.” > In the military Krebs was taught to use the letter “V” to request general help or an “X” specifically for medical assistance. The long straight lines stand out on a hillside. It also takes less time to create two straight lines 30 feet long compared to two loopy Ss and one O, each 10 feet high.