[BC] FCC Enforcing DTV Notice to Consumers
RichardBJohnson at comcast.net
RichardBJohnson at comcast.net
Wed Oct 17 18:31:17 CDT 2007
Yes! That is fully explained in:
http://www.crossedfieldantenna.com/
..where Dr. Kabbary's equations refute Einstein and Maxwell.
I understand that this relates to basket-weaving as well.
--
Cheers,
Richard B. Johnson
Read about my book
http://www.LymanSchool.org
-------------- Original message ----------------------
From: "Thomas G. Osenkowsky" <tosenkowsky at prodigy.net>
> > > I've heard more than a few people have been suckered
> > > into the "Need for a
> > > digital antenna" at places like Best Buy.
> > In WalMart....I saw Rabbit ears with "digital ready"
> > on the side of the box.
> > Just like in the 60's the box the conical we got had
> > "color Ready on it. BTW I just earlier this year got
> > a stacked conical antenna new....from 1981.
>
> IBOC has more stringent demands for increased
> and symmetrical bandwidth due to the carriers the
> system employs to convey the digital information.
> It is well known, for example, that self supporting
> AM towers generally exhibit more favorable BW
> characteristics than their thinner-faced guyed
> counterparts.
>
> The same applies to receiving antennas. The diameter,
> spacing and length of the elements influence the
> bandwidth of the antenna. In television and radio
> reception we're dealing with a far greater bandwidth,
> namely the entire spectrum! If the antenna is "digital
> ready" or a "Color TV" antenna, it has been laboratory
> proven to exhibit the proper gain and bandwidth
> characteristics required for optimum reception. We
> must also not neglect the transmission line or coaxial
> cable and connectors. The length of line is critical
> for producing symmetrical sidebands at the demodulation
> or D/A conversion point. The proper selection of line
> can be a "Monstrous" task.
>
> Tom Osenkowsky, CPBE
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