QSL — What It Means in Ham Radio

QSL — Acknowledged. Understood.

The most useful Q code you will ever learn. It means "I received and understood that." It doubles as a noun — a QSL card is the postcard operators mail each other to confirm a contact.

How you would hear it

"QSL on that, back to you."

Look this up in Pocket Elmer, along with 100 more

Related words

• QSY — Change frequency.
• QRP — Low power operating.
• QRG — Your exact frequency.
• QRL — Is this frequency busy?
• QRN — Natural noise and static.
• QSB — Fading.
• QRV — Ready.
• QST — A general call to all amateurs.