Morse Code for "2" — Pattern, Mnemonic & Audio

··−−−
2 = ··−−− (2 dits, 3 dahs)

Mnemonic

i-do-TWO-TWOS

Syllable-based memory aid

Koch Lesson

Lesson 34

When this character is introduced

Timing

1 + 1 + 3 + 3 + 3 units

At 20 WPM: 660ms total

Type

Number

International Morse Code (ITU-R M.1677-1)

Common Words with 2

SECOND2WAY24HR200NM2026

Abbreviated Numeral (Cut Number)

··−−−
Full (5 elements)
··−
Cut = U

Cut number: U (··−). Saves 2 elements compared to the full ··−−−. Common in fast CW traffic.

In Amateur Radio

Appears in 2m (144 MHz) amateur band designations, signal reports, and the 20m band (14 MHz). Cut number: U (··−).

In Aviation

Appears in VHF frequencies (121.2 MHz emergency frequency), transponder codes, and altitude FL200 (20,000 feet).

In Maritime

Channel 16 VHF (156.8 MHz) is the international maritime distress frequency. The "1" and "6" in 16 appear constantly in maritime communications.

Practice Strings Containing 2