1. Radio. a signal sent at the beginning of radiograms conveying general information or sent by an amateur as an invitation for any other amateur to reply.
2. Mil. charge of quarters.
1. Radio. a signal sent at the beginning of radiograms conveying general information or sent by an amateur as an invitation for any other amateur to reply.
2. Mil. charge of quarters.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012