🚀 go-pugleaf

Ron T. wrote:
> "John Hines" <john@jhines.org> wrote in message 
> news:rtji545a49152p741khacmo14v9s7uh9ja@4ax.com...
>> On Wed, 18 Jun 2008 10:09:59 -0500, "Ron T." <not@home> wrote:
>>
>>> Being an inquiring mind that wants to know, I was in touch with some 
>>> station
>>> engineers about the digital wave coming, and the fact that their digital
>>> signals were a fraction of their analogs.
>> suppposedly once the analogue signals are shut off, they are gonna
>> crank up the power on the digital ones.
> 
> I was wondering about this, but I'm not crazy about what I'm finding out.
> 
> Where I'm at, the digital side of the stations are from iffy to just not 
> there.
> 
> When I check the database, I see stations running like 100kw ERP, and then 
> the digital side goes from 18kw, 7kw, and 3.4kw.
> 
> The station engineer, stating that the digital signal could "theoretically" 
> go farther, caught me off guard. If you have, say, a 180 mhz signal at 10kw, 
> it doesn't matter if it's carrying an analog or digital content, it's going 
> to be the same damn signal strength under whatever conditions at whatever 
> distance.
> 
> The analog signal, however, will be usuable (though degraded) far beyond a 
> digital signal which I believe drops usability somewhere around 25-30%. 
> 
I'm just guessing, but you may be able to increase the distance of a 
usable digital signal by increasing the number of parity bits.  Then it 
becomes a matter of how big of a buffer the receiver has, and how much 
of a delay is acceptable.