->  TW> NTSC - National Television Standards Committee.
->  TW> Consists of 525 horizontal lines of display and 60 vertical lines.
->  
->  There are absolutely NO vertical lines in any of those systems -
->  none whatsoever.  Who the hell wrote that bunch of malarkey?

I think we have a Translation problem that list was NOT from an English
speaking Country. We can agree that the Vertical Rate is Synched to
the 60 Cycle Line and that the Frame Rate itself is 60.


->  A "field" of 262.5 lines (one half a picture) are scanned every
->  30 seconds, resulting in an interlaced "frame" of 525 lines (the
->  total picture) every 60 seconds.


->  TW> PAL - Phase Alternating Line. Developed by German engineer
->  TW> Walter Bruch and the German electronic corporation Telefunken.
->  TW> Walter Bruch patented his invention 1963 and the first
->  TW> commercial application of the PAL system was in August 1967.
->  TW> Also a 625/50-line display and variant of NTSC.

->  England uses 825 or 925 lines in its PAL, up from 525 lines used
->  in the B&W standard, and increased the bandwidth of color channels.
->  Thus B&W and color were not compatible as was the situation in the
->  U.S.  (NTSC retained the same number of lines and same bandwidth so
->  po' folks who couldn't afford a color TV could still watch a color
->  program in B&W.)

 But there are several Variations of PAL. As I recall the Origional PAL
was a 625 line system. As in the Chart note that there is a suffix
letter to diferentrate between the various PAL systems, As there is with
SECAM.                                                

 A note from another reference, Harper Collins Electronics Dictionary,
since some might think that the Number of scan lines alone is the Full
Story as far as Vertical Resolution.

 "The main disadvantage of both PAL and SECAM systems is that the
Vertical Resolution is Halved compaired to the NTSC system becasue of
the averaging of the contents of adajacent lines"


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