Morse Code
The timeless art of CW communication in amateur radio.
About Morse Code & CW
Developed by Samuel Morse in the mid-1800s, Morse code uses dots (dits) and dashes (dahs) to represent letters and numbers. In amateur radio, CW (Continuous Wave) refers to Morse transmissions sent by interrupting a radio carrier wave. Despite modern digital modes, CW remains popular among ham operators for its simplicity, efficiency, and ability to get through when other modes fail.
Why Hams Love CW
Simple Equipment
CW transmitters can be built with just a few components, making it ideal for homebrewers. Simple QRP rigs can make contacts worldwide.
Narrow Bandwidth
CW signals occupy minimal spectrum space and can be copied below the noise floor, allowing communication when other modes fail.
Universal Language
Standard abbreviations (Q-codes, prosigns) enable operators worldwide to communicate regardless of their native language.