πŸ“±πŸ“‹orπŸ–₯οΈπŸ“Œ

#digitales schwarzes brett #DSB #digital bulletin board #school board #university info #announcements

γ€°οΈπŸ“‘γ€°οΈorπŸ“»βœŒοΈ

#double sideband #DSB #radio modulation #AM radio #telecommunications #signal processing

πŸ‡©πŸ‡°πŸš†

#danske statsbaner #DSB #danish railways #copenhagen