--- Robert Gammon  wrote:
> One last point to this discussion follows:
> 
> the LARGE dish satellite feeds are in a frequency band that is rerely
> 
> affected by rainfall.  There is very little atmospheric attentuation
> of 
> the signal due to the presence or absence of rainfall.  That's why
> remote 
> feeds for TV stations look so good even in extreme weather, also why
> Cable 
> TV is almost (if properly installed and good feed from the plant -
> very, 
> very poor luck with that here, so abandoned cable for DSS a LONG time
> ago) 
> always clean and stable.

That's a stretch. I've never been impressed with DSS TV. Of course if
you've had bad experience with cable, I see your point.

> 
> The small dishes (18" to 36") are in a different frequency band.  
> Unfortunately,  this frequency band is VERY highly attenuated by the 
> presence of rainfall in the line of sight to the satellite.  Two
> dishes 
> WON'T help.  This is physics at work.  An additional 3db of gain from
> a 
> larger dish won't help either, the signal is lower than the noise
> level  
> of the amplifier on the dish.  Fortunately, for TV reception, the
> rain has 
> to be of the very intense sort that thunderstoms produce. 
> Interruptions 
> rarely last for more than 5-10 minutes, and may be just a 30 second
> period 
> when the decoder makes errors (screen brakes up into blocks, and
> audio 
> develops loud chirps).

Well you might have me here. The majority of the viewing I do in both
analog and digital is in C-Band. I do have some Ku 4dtv channels  I
could view the next time we have a gully washer here and let you know
if it drops :-)

It's amazin' They use a 30 to 40 ft. dish to send up the signal, and
we're supposed to recieve it perfectly with an 18" dish. 

Well I've been bordering off topic here (ok smashed the fence), but
you've enlightened me on a few things and it's been fun. By the way, I
was driving out of town here and went by a Direcway dish set up
alongside the higway. Someone's already bought into it.

Franklin


	
		
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