[opendtv] Re: Reading between the lines
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Fri, 13 May 2011 15:56:02 -0500
Craig Birkmaier wrote:
> Neither ATSC TV nor FM are any more reliable than cellular in terms of
> the transmission side of the equation.
Of course they are. In a cellular system, assuming you have indoor coverage at
all, you depend entirely on one or two towers that are close by and within
range. In a broadcast system like radio and TV, there are many more towers that
can reach you, and they do not need to be located right next door.
> As Ken noted, almost all communications were seriously impacted on 911,
As I noted on the day, or shortly after that day, the only system that was not
saturated was broadcast radio and TV. The wired Internet was useless, right
after the attack on the Pentagon, and phone lines were jammed too.
> There are many reasons why you will never see ATSC radios in cellular
> handsets, either for the original 8-VSB modulation of the new MHP
> standard.
Or there may not be. ATSC M/H should not draw excessive power, and if designed
right, it could even be inactive unless deliberately switched on.
> If you want to look for the bad guys here,
I'm not interested in choosing the same one, consistent, supposedly "bad guy"
for all my arguments, Craig.
Bert
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