Field guides
Morse code guides
Decode a flashing light
Dot and dash timing, letter and word gaps, and how to read a light signal by eye or with your phone.
Read guide →Flash SOS with a flashlight
The SOS pattern, the correct timing, and how to signal for help with a flashlight or phone.
Read guide →Best Morse code app for iPhone
Why Morse Watcher is built for reading flashing lights, where it shines, and what it costs.
Read guide →How to use Morse Watcher
Quick start, tips for a clean lock on the light, troubleshooting, every setting, and Siri.
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