The Titanic used Morse code and a primitive type of transmitter to send señalescuando was sinking.
This simple circuit shows this type of transmitter. With this circuit a signal of Morse code can be sent to one radio A.M. that is to some meters of distance.
R1 - 2.2k Ohms
the antenna is made to each other surrounding 3 metrso of wire in two woods of 12 cm assured to a distance of 6 cm.
AS USING THE TRANSMITTER
In order to use the transmitter a radius ignites and it is placed in AMl. We place the transmitter cerac of the radius.