What is F in Morse code?

F is ..-., spoken as dit dit dah dit.

How should I learn F in Morse code?

Listen to dit dit dah dit as one rhythm at 20 WPM rather than counting individual marks.

International Morse alphabet

F in Morse code

Two short, long, short: fetch a FIREfly

..-.dit dit dah dit

30 second sound drill

Listen to the complete rhythm. Do not count its parts.

Repetitions

Ready

Hear F as one sound

At 20 WPM, the elements join into a recognizable audio shape. Farnsworth spacing leaves time after the complete character without changing that shape.