Originally Posted by
SLXOwft
...SpazSinbad - I think all dis technology is good idea and appears to be good value; makes me fee a dinosaur remembering being tested on Morse with a light flashing through the drizzle on a typical grey Dartmouth winter's day.
Spent one year 1966 at the RANC on the Quarterdeck 0800? before or after COLOURS? deciphering semaphore flags and did dah dit dits ['FLASHING'] - didn't graduate

but this morse code was useful in the BIRDIE world for all those ADFs when in a Vampire or Sea Venom (not so much) at NAS Nowra.