A vanity call sign is a personalized call sign that an amateur radio operator can apply for instead of a randomly assigned one. Vanity call signs typically consist of three to five letters, followed by one or two numbers. They are often chosen to reflect the operator’s name, interests, or location.
Vanity call signs are popular among amateur radio operators because they allow them to express their individuality and make it easier for other operators to remember and identify them. They can also be used to promote a business or organization.