Might be worth picking up Practical Television magazine if it's still 
being published.

UK analogue was/is

PAL I = IF 39M5Hz - Sound 33M35Hz - 6MHz below.  Modulation is 
negative going, transmission horizontal or vertical (Bluebell Hill my 
local transmitter was vertical if I recall correctly.) polarisation.

Video bandwidth 5M5Hz

Vision is AM vestigial sideband

Sound FM Nicam same as NZ!

Sources - my memory, RSGB handbook of yonks ago and splurge written by 
University of St. Andrews 
(http://www.st-andrews.ac.uk/~www_pa/Scots_Guide/RadCom/part21/page2.h
tml)

Amateur TV uses full AM and can be slow or fast scan.


Colin
--
cdb, colin@btech-online.co.uk on 30/07/2009
 
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