🚀 go-pugleaf

"i|||| | | || ||| || |||| 2.0" <i| || ||| ||||| |||||| 2.0> wrote in message 
news:4d5afb33$0$12979$c3e8da3$9deca2c3@news.astraweb.com...
>
> "Spartan613" <nospam@buggeroff.com> wrote in message 
> news:sar6p.10509$gM3.7199@viwinnwfe01.internal.bigpond.com...
>> The bloody picture is always pixilated and dropping out. What's the 
>> story? Lesser signal strength, or antenna located some different from the 
>> commercial channels? I never have this problem with the commercials or 
>> SBS.
>>
>
> For ours ABC is the only rock solid reception.
> Then it is a choice of get SBS and seven, or the others, or wait for the 
> plane/chopper to go away.
>
> It may not be lesser signal power, it could be other interference, paths, 
> reflections, echos
> sometimes attenuating actually improves a channel.
>
> Basically the only suggestion for problems on the official sites is get a 
> professional $1000 antenna rig, it -may- be better.
>
> (ignoreable rant)
>
> Digital can be reliable but the modulation/encoding they use to get more 
> channels was meant for cable and makes it a noise detector thousands of 
> times more sensitive than if they had a couple fewer channels or less 
> definition.
> Consumer reception was not a major consideration in the design.
> this isn't a good explanation but gives some pointers.
> http://tech.ebu.ch/docs/techreview/trev_296-dtt_qam.pdf
> http://en.wikipedia.org/wiki/Quadrature_amplitude_modulation
>
> Theoretically 'only' 6db down to start with, a couple extra db for phase, 
> a couple for echo, a couple for varying paths, a couple from the dog 
> walking past and you fall of the digital cliff.
> Your reception goes from a couple of pixelations a day to a dozen a 
> minute ---under the same conditions---.
> Consumers be buggered, we want more channels to play more repeats , we 
> only care about people in metro areas with the wherewithall for 
> professional antenna installation .
> Oh, lets make the first switchovers in the country.
> :-(

Thanks for the info.

This appears to be something peculiar to the ABC, and not just where I'm 
living now. It also happened at the previous location, AND happens in 
another capital city I work in. So this is with different TVs in different 
cities.