Amateur radio still runs on Morse. CW (continuous wave) is the most range-efficient mode you can transmit. a 5-watt signal can cross continents when SSB voice can't get out of the room.
Morse is required for many DXpeditions, weak-signal work, and contesting. Pile-ups, gray-line propagation, and QRP operations all reward operators who can copy Morse at speed. Plus, your callsign on the air in CW carries more weight than ten voice contacts.
General call to all stations. Used to initiate contact with any available operator.
"From": identifies the sending station. Used as: CQ CQ DE [callsign].
Invitation to transmit. "Go ahead, any station."
End of transmission. Signals that the message is complete.
End of contact (Silent Key). Signals the end of a communication session.
Break/pause separator between sections of a message. Equivalent to a new paragraph.
What is the name of your station? / The name of my station is...
QRBHow far are you from my station? / The distance is...
QRZWho is calling me? / You are being called by...
QSLCan you acknowledge receipt? / I confirm receipt.
QTHWhat is your location? / My location is...
QSBAre my signals fading? / Your signals are fading.
QRMIs my transmission being interfered with? / Your transmission is being interfered with.
QRNAre you troubled by static noise? / I am troubled by static noise.
When the FCC dropped the Morse requirement for hams in 2007, many predicted CW would die. Instead, CW segments of the bands stayed busy. operators kept it alive because nothing else gets through marginal conditions like a clean dit-dah pattern.
No country still requires Morse for amateur licenses (the last holdouts dropped the requirement around 2007). But many of the most rewarding parts of ham radio. DX, contesting, QRP. depend on knowing CW.
5 WPM gets you copying QSO basics. 13 WPM is comfortable casual operating speed. 20-25 WPM lets you hold ragchews and small contests. Top contesters work at 35+ WPM.
Q-codes are three-letter abbreviations (QRA, QSL, QTH...) that compress common phrases into a few dits and dahs. They were standardized for telegraphy and are still the fastest way to exchange info on a noisy band.
Morse code is the symbol system (.- = A). CW (continuous wave) is the radio mode that transmits Morse as on/off keying of a single carrier. In ham slang, CW and Morse are used interchangeably.
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