26 May
2010
26 May
'10
6:36 p.m.
I wrote:
There were also tests of 625/25 with NTSC-like colour
encoding using a
4.4296875 MHz subcarrier, and while that was never adopted as a
broadcast standard, it is sometimes seen as a baseband signal and
referred to colloquially as "NTSC-4.43".
Bj?rn wrote:
I have seen NTSC-4.43 used on transatlantic satellite
links as late as
the mid 90's.
Interesting. I suppose I should have written "terrestrial
broadcast
standard". Typically government regulations limit what standards you
can use for terrestrial broadcast or direct broadcast from satellite,
but anything goes for other satellite transmission.
Eric