3 ms·
A proper SOS should be transmitted without breaks (and is therefore sometimes displayed as "SOS" with a bar on the top). ___ SOS (emergency call) = ...-
by ale42 1y ago
A proper SOS should be transmitted without breaks (and is therefore sometimes displayed as "SOS" with a bar on the top).
___
SOS (emergency call) = ...---...
SMS = ... -- ...
SOS (three letters) = ... --- ...
- amarant 1y agoYeah I think my Nokia skipped the pauses, making it sound more similar to the proper SOS signal. But it only had the 2 long notes instead of three, obviously.