> SOS is also easy to remember without knowing full Morse. It's not simply a question of memory. SOS and Morse are meaningfully different protocols. But I don

> SOS is also easy to remember without knowing full Morse. It's not simply a question of memory. SOS and Morse are meaningfully different protocols. But I don't think I conveyed that bit particularly well. Try alternating between IAB, SOS, and IJS all are are dot dot dot dash dash dash dot dot dot. However, IAB and IJS is uses 3 different pauses not just 2. And that's before your tap morse code adds yet another type of pause.