Learning morse
De Mi caja de notas
(A U.S. Navy signalman sends Morse code signals in 2005.)
−··· −−− −· ·−−− −−− ··− ·−· ·−·· · ··· ·− −− ·· ···
source Morse code
(A U.S. Navy signalman sends Morse code signals in 2005.)
−··· −−− −· ·−−− −−− ··− ·−· ·−·· · ··· ·− −− ·· ···
source Morse code