BV is a professional software for the QSL Management and Label/QSL Printing under Windows® - developed and distributed by Bernd Koch, DF3CB - since 1989. It is mainly designed for the contester and QSL manager with high QSL quantities but useful for all other QSL'ing purposes as well. BV is freeware! BV is only available via the Internet. No mail delivery, no exceptions.