Join us on a British Airways flight and listen to the pilot briefing the passengers about the up and coming flight to Chania, Crete. I’m sure someone will tell me that the image I have chosen is not that of an Airbus A380!
The T1154 transmitter and the R1155 receiver were the first radios I used to transmit and receive signals (in my teens in the 1960s). These transmitters and receivers were used in Royal Air Force heavy bombers and other aircraft during World War 2. These transmitters and receivers used Morse code and the morse code signal used to ‘chirp’ (sounded a bit like a demented bird on drugs!). Some ‘chirping’ Morse code here.
There was a time when aircraft flew without the aid of computers….