ARQ6-70
From The RadioReference Wiki
A simplex ARQ system with a 70 bit block length using the ITA3 alphabet. A regular user is unknown but the French Diplo service has in the past. No loggings have been found for quite some time.
A simplex ARQ system with a 70 bit block length using the ITA3 alphabet. A regular user is unknown but the French Diplo service has in the past. No loggings have been found for quite some time.