FT8 is a digital amateur radio mode that uses your computer of tablet to encode and decode messages. The design of the message is very clever and allows the signal to be received even when the signal is practically inaudible.
FT8 Digital Mode Club
FT8DMC is a free to join club that promotes the use of FT8 worldwide. It offers many awards you can collect using the Ultimate Award Application Centre UAAC. This excellent software allows you to manage and apply for many awards form multiple clubs and groups in one single application.