When I was in high school I worked at a small local airport doing everything from fueling the planes to cleaning the bathrooms - so I could earn flight time. Used to have to spin the prop on a taildragger or two to start the engine (No battery operated starter motor on those).
Let's see if any of you can decipher something other than binary -
-.-. / .- / -- / .- / .-. / --- /...
.-. / ..- /.-.. / .