What is Farnsworth spacing in Morse code?

Farnsworth spacing is a learning method where Morse characters are sent at full speed (e.g., 20 WPM) but the gaps between characters and words are stretched so your overall copy speed feels slower (e.g., 10 WPM). You hear real letter shapes without the sluggish dit timing that encourages counting dots.

How is Farnsworth spacing different from standard timing?

In standard timing , character speed and overall WPM are the same — a 10 WPM setting slows down dits, dahs, and spaces proportionally. In Farnsworth spacing , dits and dahs stay fast while only the spaces between characters and words lengthen. You learn sound patterns at operating speed without overwhelming copy rate.

How do I enable Farnsworth spacing in the translator?

On our Morse code translator , set Speed to your character WPM (start at 20), then enable Farnsworth spacing and set the effective WPM lower (start at 10). Play any text — you will hear fast letters with relaxed gaps. Download WAV files for offline headphone practice.

Is Farnsworth spacing better than the Koch method?

They solve different problems. Farnsworth controls timing so you can practice the full alphabet at realistic letter speeds. Koch controls which characters you learn and in what order. MorseCoder uses both: Koch in the trainer for character sets, Farnsworth on the translator for audio immersion. See our Farnsworth vs Koch comparison .

What WPM should I start Farnsworth practice at?

Set character speed to 15–20 WPM and Farnsworth effective speed to 8–10 WPM. Avoid character speeds below 12 WPM — they train you to count elements instead of hearing whole letters. Gradually reduce the Farnsworth gap (raise effective WPM) as recognition improves.

Farnsworth Spacing: Learn Morse Code Faster with Stretched Gaps

Quick Answer: What Is Farnsworth Spacing?

Farnsworth spacing sends Morse characters at full speed (typically 15–20 WPM) while lengthening the silence between characters and words so your effective copy rate is slower (often 8–10 WPM). Letters sound like real on-air CW; you get extra time to recognize each one. Enable it on our translator by setting character WPM to 20 and Farnsworth effective speed to 10 — the pairing this site uses for first-QSO practice.

Farnsworth spacing diagram comparing standard Morse timing with stretched inter-character gaps at 20 WPM characters and 10 WPM effective speed — Standard timing vs Farnsworth spacing — characters stay fast; gaps stretch.

What is Farnsworth spacing?

Farnsworth spacing (named for Donald Farnsworth, W6TTB) is a Morse training technique that decouples character element speed from overall words-per-minute rate. Dits and dahs stay short and crisp; inter-character and inter-word pauses are extended so learners process each letter without slowing the letter shapes themselves.

How Morse Timing Works: Dits, Dahs, and Spaces

International Morse (ITU-R M.1677-1) defines timing in unit multiples. Once you see the math, Farnsworth spacing makes intuitive sense.

Element	Duration	Example at 20 WPM
Dit (dot)	1 unit	~60 ms
Dah (dash)	3 units	~180 ms
Gap within a character	1 unit	Between elements of "C" (`-.-.`)
Gap between letters	3 units (standard)	Stretched under Farnsworth
Gap between words	7 units (standard)	Also stretched under Farnsworth

At 20 WPM, the standard word "PARIS" (50 units) completes in one minute — that's your character speed. Farnsworth keeps those 50 units per word intact but inserts additional silence between letters so the same word might take two minutes to send at 10 WPM effective.

Why 20 WPM Characters + 10 WPM Effective Works

The 20/10 pairing is not arbitrary — it reflects how the human auditory system learns Morse. Below roughly 12–13 WPM, most people subconsciously count dits and dahs. Above 15 WPM, letters blur into recognizable "sound shapes" — the same phenomenon that lets you recognize a spoken word without spelling it.

20 WPM character speed

Each letter arrives with realistic rhythm. "Q" (--.-) sounds like one burst, not four timed elements. You build the same neural patterns you will use on HF nets and contest pileups.

10 WPM effective (Farnsworth gap)

The pause after each letter gives you time to write or say it aloud before the next one. Copy rate stays manageable while letter shapes stay fast.

Farnsworth vs Standard Timing

Aspect	Standard 10 WPM	Farnsworth 20/10
Dit length	Long (~120 ms)	Short (~60 ms)
Letter recognition	Counting tendency	Sound-shape listening
Copy rate	10 WPM	10 WPM effective
Transition to on-air CW	Large jump needed	Gradual gap reduction
Best for	Visual chart study	Audio-first learning

How to Enable Farnsworth in the Translator

1. Open the free Morse code translator on morsecoder.us.
2. Set Speed to 20 WPM (character speed).
3. Toggle Farnsworth spacing on.
4. Set Farnsworth effective speed to 10 WPM.
5. Enter practice text — callsigns, Q-codes, or words from the trainer — and press Play.
6. Optional: download WAV for daily headphone sessions.

4-Week Farnsworth Practice Plan

Fifteen minutes daily beats hour-long weekend cram sessions. This plan pairs the translator with the Morse code trainer and the broader learn Morse code curriculum.

1

Week 1 — E, T, A, I, N at 20/10

Character Quiz in the trainer for these five letters. End each session with 5 minutes of random two- and three-letter groups on the translator with Farnsworth enabled.

2

Week 2 — Full alphabet, still 20/10

Add remaining letters via Koch progression. Practice common words (THE, AND, CODE) with Farnsworth audio. Target 90% accuracy before moving on.

3

Week 3 — Tighten to 20/13

Raise effective WPM to 13. Introduce numbers and basic prosigns. Run QSO Simulator drills at the new gap setting.

4

Week 4 — Farnsworth off at 15 WPM

Disable Farnsworth; run standard 15 WPM. If accuracy drops below 80%, drop to 20/15 Farnsworth for two more days, then retry. Read our Farnsworth vs Koch article for long-term progression.

Farnsworth Spacing — Frequently Asked Questions

At 20 WPM, each letter sounds like a distinct rhythm — A is a quick .-, not four separate elements. Stretching inter-character spacing to 10 WPM effective gives your brain time to recognize the shape before the next letter arrives. Many Morse courses recommend this pairing for beginners.

Practice Farnsworth Spacing Now

Set 20 WPM characters, 10 WPM gaps — free, no signup, ITU-accurate timing.

Open Morse Code Translator

Farnsworth Spacing: Learn Morse at Real Letter Speed