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Reference plate · Number 10 of 10

9 in Morse code

9 in Morse code is "----.": four dashes followed by one dot, spoken "dah-dah-dah-dah-dit". It is one of the 10 digits, all exactly five elements long, and it is the mirror image of 4, which is dot-dot-dot-dot-dash. The 7-day plan teaches 9 on day 7. At 20 words per minute it takes 1020 milliseconds to send.

Number 95 elements

dah-dah-dah-dah-dit

Code
−−−−·
At 20 WPM
1020ms
Plan day
7

9 · dah-dah-dah-dah-dit

dash dash dash dash dot

Length ~1.0s

9 at a glance

Morse code
----.
Spoken
dah-dah-dah-dah-dit
Elements
5: four dashes and one dot
At 20 WPM
1020 ms
At 5 WPM
4080 ms
Mirror image
4
Read backwards
1
One element away
0 and 8
7-day plan
Day 7, with 0, 1, 2, 3, 4, 5, 6, 7 and 8
Koch order
23 of 36

Where 9 sits in the Morse code tree

The path through the Morse code tree to 9: from the root, a dash to T, a dash to M, a dash to O, a dash then a dot to 9.ETNMGO0

The path through the Morse code tree to 9: from the root, a dash to T, a dash to M, a dash to O, a dash then a dot to 9.

In the Morse code tree a dot branches left and a dash branches right, so every character sits exactly where its own code leads. Every digit sits five steps from the root, one layer below the longest letters, so its path runs through letters you already know.

See the whole Morse code tree

Characters confused with 9

9 is easiest to mistake for 4, 1, 0 or 8. Practise them back to back until the difference is a sound rather than a count.

How to learn 9

7-day plan

The plan teaches 9 on day 7, together with 0, 1, 2, 3, 4, 5, 6, 7 and 8. Learn it by its sound, "dah-dah-dah-dah-dit", at full speed rather than by counting its elements.

In the Koch method it is character 23 of 36.

Practise

Practice brings 9 back just before you would forget it, in all three skills: copying it by ear, reading it, and sending it yourself.

Questions about 9 in Morse code

What is 9 in Morse code?
9 in Morse code is "----.", spoken dah-dah-dah-dah-dit. It is five elements long (dash dash dash dash dot) and takes 1020 milliseconds to send at 20 words per minute.
Which Morse code characters are confused with 9?
9 (----.) is easy to confuse with 4 (....-), its mirror image with dots and dashes swapped, and with 0 (-----) and 8 (---..), each of which differs from it by a single element. Practise them back to back until the difference is a sound rather than a count.
How do you learn 9 in Morse code?
By its sound, not its shape: 9 is spoken dah-dah-dah-dah-dit. Listen to it at full speed instead of counting its elements. MorseForge's 7-day plan teaches it on day 7, together with 0, 1, 2, 3, 4, 5, 6, 7 and 8.