16 Dec
2011
16 Dec
'11
2:51 p.m.
[NTSC colour encoding, analogue video, etc]
Technically it's not obsolete; translators, low
power stations and
class A stations are still authorized to broadcast analog; I don't
believe the FCC has specified a cut-off date for such stations.
Is there anything to stop radio amateurs transmitting such signal after
it's no longer used by the broadcasters? (on appropraite amateur bands,
of course). Over here, the regualtions only relay prohibit 'secret codes
and ciphers', I don;'t see how a publsihed video standard would come
under that, and I know that a few such enthuiasts over here have
transmitted 405 lien System A signals to each other (totally legally).
If you made such a transissionm using 625 line/ 50Hz verticla video
timing but NTSC-like colour encoding (PAL-without-the-filp) what do you
call it?
I also beleive that ther were a few tests done over here using
BNTSC-liencolour encoding on 405 line System A (before it was decided to
use 625 lines and PAL). and that there is one of the experiemental
receivers in a msueum collection over here. Whad do you clal that signal?
-tony