Phase Alternating Line (PAL) is a colour encodin seestem for analogue televeesion uised in broadcast telly seestems in maist kintras broadcastin at 625-line / 50 field (25 frame) per seicont (576i).

Televeesion encodin seestems bi naition; kintras nou uisin (an ance uisin) the PAL seestem are shawn in blue.