It depends if it's transmitted in direct language or the messages themselves are coded. If intercepted in plain format then it's not secure at all. If the letters are encoded first then it can't be understood without subjecting it to code-breaking analysis.
Three main ones:American Morse code (Morse's original, 1844)European Morse codeInternational Morse code (replaced the previous types in 1865)
The proper adjective of Morse code is "Morse." For example, you would say "Morse code message" or "Morse code transcription."
killer in Morse code would be: -.- .. .-.. .-.. . .-. NOTE: this is in international Morse code, there are 3 kinds of Morse code
off in Morse code would be: --- ..-. ..-. NOTE: this is in international Morse code, there are 3 kinds of Morse code
B in Morse code is:-...NOTE: this is B in international Morse code there are 3 different kinds of Morse code
go on youtube in Morse code would be:--. --- --- -. -.-- --- ..- - ..- -... .NOTE: this is in international Morse code, there are 3 kinds of Morse code
I love maths in Morse code would be:. .-.. --- ...- . -- .- - .... ...NOTE: this is in international Morse code, there are 3 kinds of Morse code
quiz in Morse code would be: --.- ..- .. --.. NOTE: this is international Morse code, there are 3 kinds of Morse code
All is well in Morse code would be:.- .-.. .-.. .. ... .-- . .-.. .-..NOTE: this is in international Morse code, there are 3 kinds of Morse code
Samuel Morse invented the Morse Code.
hemorroid in Morse code would be: .... . -- --- .-. .-. --- .. -.. NOTE: this is in international Morse code, there are 3 kinds of Morse code
there are two different symbols in Morse code: dots and dashesfor example Morse code would be (in international Morse code):-- --- .-. ... . -.-. --- -.. .