Nigerian Television

(May 1977-1978)
(Fifth image in https://www.youtube.com/post/Ugkx--YkgnRzn5FicBSfehY0neoEuUqt1vAQ)

Logo: On a black background, we see the text "NTV" in a large font, which is above a transmitter tower and an emblem.

Technique: Unknown.

Music/Sounds: Unknown.

Availability: Completely extinct. It was only recently discovered by TeleRarities in one of his community posts as a TV-DX capture.