QSL card guides
Short, practical answers to the QSL questions every ham runs into — whether or not you use MailQSL.
What is a QSL card?
Where QSL cards come from, what goes on one, and why hams still exchange them in the age of Logbook of The World.
How to send a QSL card
The three ways to QSL — direct mail, the bureau system, and online services — with the cost and speed trade-offs of each.
QSL card size and design
Standard QSL card dimensions, which fields a card needs, and design rules that keep your card legible and printable.