(Phase Alternating Line) Standard broadcast signal received by Televisions in many European countries. PAL color is usually used on broadcasts using 625-line (576/25i) scanning systems, mostly in Europe and the UK.
A list of and their TV standards is often difficult to find, but Google found this quite comprehensive one.
PAL comes in 7 variants:
|Parameter||PAL B-G-H||PAL I||PAL D||PAL N||PAL M|
|colour sub carrier freq.||4.433618MHz||3.58206MHz||3.575611MHz|
|audio carrier||5.5MHz (FM)||6.0MHz||6.5MHz||4.5MHz|