[mythtv] HDTV Reception (was: DVB Driver for the pcHDTV HD-3000)

[Cory Papenfuss]

>> 	Yagi's wide enough for all your channels... or do you only get one or 
>> two contiguous?
>
> I get every channel broadcast out of Seattle, as well as a few others from 
> nearby areas (FOX comes in fine from a hilltop across the Puget Sound from 
> Seattle and I pick up a few channels out of Bellevue).
>
 	Wide enough bandwidth is what I meant.  Basically yagis work best 
at a fairly narrow bandwidth.  They'll work well for a channel or two, but 
too far different channels won't work as well.

>> Yagi's don't have a very wide bandwidth but they can have good gain.
>
> This one certainly does well on gain. I honestly haven't a clue what impact 
> not having very wide bandwidth has. Are you basically saying they aren't very 
> good at omni-directional reception? That's certainly true with this one, a 
> few degrees can make a big difference in signal quality. Fortunately, 
> everything I care about is within 304 to 307 degrees from me.
>
 	Remember that antenna "gain" is defined as a ratio of signal 
strenth to that of an isotropic radiator.  That pretty much means it *has* 
to be directional.  If you've got stations in different directions, that's 
a problem, but for you they're apparently all in the same direction.

>> Amp as close to the antenna as possible?
>
> There's some component of it that attaches to the antenna mast itself, so 
> there's maybe 6 to 12 inches of cable from the antenna to that, then the 
> other portion sits inside the house right where the connection comes inside.
>
 	Maybe an amp on the mast with power injector inside the house?  A 
pretty good way to go.

>> SNR's, noise figures, and LNAs bringing back horrible undergrad 
>> calculation memories... :)
>
> Ooohh, sounds fun... ;-)

 	Right.... :)

>> P-shaw!  Try living in Juneau (or worse yet, Ketchikan), AK! People up 
>> there go to Seattle to dry out... :)
>
> Yeah, I have a few college buddies from Juneau and Anchorage who have some 
> stories...
>
 	I've never lived in Anchorage, but Juneau's definately quite 
"moist."

-Cory

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* Cory Papenfuss							*
* Electrical Engineering candidate Ph.D. graduate student               *
* Virginia Polytechnic Institute and State University 			*
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