22-05-2024, 11:54 PM
A brief description of one line ITS At p2
www.bbceng.info
By the end of analogue tv the line allocation was line 8/321 to 19/332
Teletext Ceefax datacast packets8/30 all dynamically allocated
(Ceefax engine out was on lin7/320 through to line 20 as dynamic allocation
minimised the inefficiencies of page erasure interval)
20/333 Teletext subtitles 21/334 ITS 22/335 usually empty .
www.bbceng.info
By the end of analogue tv the line allocation was line 8/321 to 19/332
Teletext Ceefax datacast packets8/30 all dynamically allocated
(Ceefax engine out was on lin7/320 through to line 20 as dynamic allocation
minimised the inefficiencies of page erasure interval)
20/333 Teletext subtitles 21/334 ITS 22/335 usually empty .