TV-DX / E3-NTA Sokoto double sporadic E hop

very rare double hop sporadic E reception from Nigeria NTA Sokoto on E 3 transmitter Jaradi with african dance, announcement, african music, identification slide "NTA Sokoto" and a discussion. the french audio sometimes is from RTBF Liege on same channel.... received at 11.06.1983 distance 4234 km