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jsonstein@masto.deoan.org ("Jeff Sonstein") wrote:
why I enjoy #JS8 more than #FT8:
‘FT8 transmits and receives only the bare essentials needed to make an amateur radio contact (QSO): Exhange of callsigns, readability report, signal strength report, and "best regards" ("73"). Because only this information can be sent, FT8 is not a "conversation" mode. FT8 transmits this minimum of information in a semi-automated fashion on its own time frame. Therefore, FT8 is not a "keyboard-to-keyboard" (real-time chat) mode.
JS8 is a variant of FT8 which allows operators to send more information and converse with each other. JS8 was created to allow the basic principles of FT8 to be applied to sending actual messages (instead of just the bare minimum QSO information that FT8 limits operators with).’
- Wikipedia