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1080i T.V. format.

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Old 12-05-2016, 12:33 AM   #16
High Definition is the definition of life.
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Join Date: May 2013
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Yup meant 1080p, old brain, ready for the recycle bin.
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Old 12-12-2016, 09:35 AM   #17
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Originally Posted by Terryl3 View Post
Old bandwidth rules with a new format, all TV stations have a 10 MHz channel bandwith, this is based on the old channel rules.

When they went to digital with the new ATSC format they should have doubled the channels bandwidth, this would have solved a bunch of problems, however the number of available TV channels would have been cut in half.

The available RF spectrum out there is very very very crowded, and everyone wants RF spectrum.

Here is a little goody that shows what is what in the RF spectrum.

If the TV stations wanted to they could go to 1080i, but it would be like putting 7 pounds of poop in a 5 pound bag, 720 P is great for some as they can go with 3 sub-channels,(TV channels 2.1 the main channel, 2.2, 2.3 and 2.4) this quadruples their programming.

Thanks for sharing that.

That spectrum chart is truly complicated. Leave it to the government. I always wondered why they couldn't just keep the televisions channels all together, especially when things were more simple in the 40's and 50's.

The way stuff is so interspersed like FM in the middle of VHF. UHF several hundered Mhz separated from VHF with all kinds of crap in between.

And they couldn't find a better place for Radio Astronomy?

Wow, I knew it was complicated but I never it was that intensely convoluted.

Thanks, Bob
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