576i - 582i

582i

The original implementation of the version of the analogue 625 line standard used in Ireland, the United Kingdom and South Africa (System I) specified 582 active lines rather than the 576 used in all other implementations of the 625 line system. However most present day analogue broadcasting (and all non-HD digital broadcasting) in these countries is based on 576i exclusively.

Read more about this topic:  576i