"Bob_Villa" wrote in message
...
On Monday, April 21, 2014 2:22:40 AM UTC-5, micky wrote:

I'm sure it's smart enough that, if the signal is at 70%,
it doesn't just call everything below 50% zero and everything between 50

and 70 one. Instead it would note the maximum signal strength of 70,

and call everything 35 or above 1, and everything below 35 zero. (or

use a method parallel to whatever method or standard is used with

stronger signals. )

Hey, don't strain yourself! The digital information is delivered by a
carrier frequency...if that carrier is within limits all the digital
information will be intact.

That is right. Analog signals get snowy if the signal level is weak. The
digital signal strength does not mater as to quality of the picture. You
either have enough signal for the receiver to work or you get a blank
screen. Under some fading conditions you may see the picture look like
square blocks and frozen up. That is where the signal totally goes away.
It does not mater if you have 100% 0r 10 % signal, if it is enough for the
circuits to get the information, the quality will be the same.




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