Re: Punch cards

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 2008-04-10 at 00:23 +0930, Tim wrote:
> Tim:
> >> If you're talking rabbit ears, I'm not surprised you see a difference.
> >> They're a rotten antenna system.  But I'd be very surprised if you don't
> >> see some other nasty problems with your digital reception (freezes,
> >> blocky picture breakups, etc.).  A bit of snow, even ghosting, is still
> >> bearable on analogue TV, but digital TV that breaks up and loses sound
> >> and picture once every 20 seconds (i.e. repeatedly) due to poor
> >> reception issues is unbearable.
> 
> Aaron Konstam:
> > You have been right too often lately. Well here again you are right.
> 
> You make it sound like I'm tempting fate, and the grim reaper is lurking
> around the corner just waiting to tell me it's his turn now...  ;-)
> 
> > On one channel I get this kind of interference. On another channel I
> > get no signal at all. 
> 
> It's really messy with digital television, as the channel assignments
> are all over the place.  We're used to tuning into television stations
> by real channel numbers (e.g channel two, seven, nine, and ten are
> actually VHF channels 2, 7, 9 & 10), so one antenna generally serves
> well enough for all of them.  Later on we got SBS on UHF 28 (usually,
> for major cities), etc., and that sometimes works on the same antenna,
> more by brute force than good design (more about ch 28 below).
> 
> Now, with digital broadcasting, the frequencies are spread about all
> over the place; and to watch all the channels, you may need an antenna
> that covers much of both the VHF and UHF bands.  Even good antennas
> don't always do that well, rabbit ears (an untuned dipole) are really a
> poor way to go about it.
> 
> > But in further investigation I found out that the problem is that
> > nearly a year before the big switch not all stations are operating at
> > full power. But since after Feb. 20o9 that is all we will have we will
> > have to live with it or get cable (the expensive alternative).
> 
> The changeover's been pushed back, yet again, to 2013.  There's
> experiments all over the place.  Here, in Adelaide, the VHF stations
> have been broadcasting for years beyond their license range, using
> masses of power (they can be received across the gulf, but they're not
> meant to, they're licensed for Adelaide and suburbs).  All of us have
> been taking advantage of that, and getting away with mediocre antenna
> systems because there's such a high level of RF in the air to pick up.
> SBS on UHF 28 put out the most power of the lot, ostensibly because when
> they started many had sets with bad UHF tuners and inadequate antennas,
> so they tried to make it easy.
> 
> Now, with extra channels in use, they've got to play around, again,
> trying to work out a balance between not interfering with each other,
> yet giving the public the best signal that they can manage.  They
> certainly haven't got that right, yet, as far as I can see.  Even with a
> strong signal, it still needs to be stronger than unwanted signals
> (reflections, other carriers, interference) to be usable.
> 
> And we'll be dealing with a plethora of set top boxes for a long time to
> come...  One for the lounge, another for the recorder (if you want to
> record something different from what you're watching), another for the
> portable set out the back, and others for the portable set in the
> bedrooms.  Yes, they're still selling TVs and recorders that ONLY have
> analogue tuners, or only have standard definition tuners (which doesn't
> help much - the push is to try and move us up onto high-def, and to do
> so by broadcasting something different that can only be received on a
> high-def tuner).
> 
> I ain't buying a $1,000+ set, and another tuner, just to watch a movie
> with adverts.  Nor will masses of others.  Considering that those masses
> are more than pleased with their low-res set, the approach is just all
> wrong.
> 

Just get a less than $100 HD tuner for the computer if you want to watch
those events. Save yourself 90% :)

> > By the way the quality of rabbit ears depends on where you are in
> > relation to the station. In a Big City they have always been adequate
> > for me, 
> 
> The quality of the rabbit ears really depends on the bunny...  ;-)
> 
> 
> -- 
> (This computer runs FC7, my others run FC4, FC5 & FC6, in case that's
>  important to the thread.)
> 
> Don't send private replies to my address, the mailbox is ignored.
> I read messages from the public lists.
> 

-- 
fedora-list mailing list
fedora-list@xxxxxxxxxx
To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
[Index of Archives]     [Older Fedora Users]     [Fedora Announce]     [Fedora Package Announce]     [EPEL Announce]     [Fedora Magazine]     [Fedora News]     [Fedora Summer Coding]     [Fedora Laptop]     [Fedora Cloud]     [Fedora Advisory Board]     [Fedora Education]     [Fedora Security]     [Fedora Scitech]     [Fedora Robotics]     [Fedora Maintainers]     [Fedora Infrastructure]     [Fedora Websites]     [Anaconda Devel]     [Fedora Devel Java]     [Fedora Legacy]     [Fedora Desktop]     [Fedora Fonts]     [ATA RAID]     [Fedora Marketing]     [Fedora Management Tools]     [Fedora Mentors]     [SSH]     [Fedora Package Review]     [Fedora R Devel]     [Fedora PHP Devel]     [Kickstart]     [Fedora Music]     [Fedora Packaging]     [Centos]     [Fedora SELinux]     [Fedora Legal]     [Fedora Kernel]     [Fedora OCaml]     [Coolkey]     [Virtualization Tools]     [ET Management Tools]     [Yum Users]     [Tux]     [Yosemite News]     [Gnome Users]     [KDE Users]     [Fedora Art]     [Fedora Docs]     [Asterisk PBX]     [Fedora Sparc]     [Fedora Universal Network Connector]     [Libvirt Users]     [Fedora ARM]

  Powered by Linux