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Will RG59 support HD?

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Old 09-05-2006, 08:47 AM   #1
What is HD?
 

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Default Will RG59 support HD?

After months of waiting for Charter Cable to supply me with an HD box, I had DirecTV out at the house yesterday. The would-be installer saw my RG59 cable, and said he wasn't sure whether it would support HD (that the picture might be really good, but not "true" HD, or it might be terrible). I have no problems with my current cable reception, but don't have HD yet because Charter is terrible.

According to this guy, the setup in my house makes snaking an electrician-level job. Alternatively, they can punch a small hole to the exterior of the house, and run a new RG6 cable along the molding on the floor directly to my big screen.

Thoughts/suggestions/comments are greatly appreciated.
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Old 09-05-2006, 09:07 AM   #2
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Quote:
Originally Posted by dgersh
After months of waiting for Charter Cable to supply me with an HD box, I had DirecTV out at the house yesterday. The would-be installer saw my RG59 cable, and said he wasn't sure whether it would support HD (that the picture might be really good, but not "true" HD, or it might be terrible). I have no problems with my current cable reception, but don't have HD yet because Charter is terrible.

According to this guy, the setup in my house makes snaking an electrician-level job. Alternatively, they can punch a small hole to the exterior of the house, and run a new RG6 cable along the molding on the floor directly to my big screen.

Thoughts/suggestions/comments are greatly appreciated.
RG59 is more lossy than RG6. RG59 is meant to use for short runs, while RG6 is used to long runs. Your answer is yes it will support HD, but fr long runs there would be too much signal loss.
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Old 09-05-2006, 09:18 AM   #3
What is HD?
 

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Quote:
Originally Posted by stchman
RG59 is more lossy than RG6. RG59 is meant to use for short runs, while RG6 is used to long runs. Your answer is yes it will support HD, but fr long runs there would be too much signal loss.
Thanks. How long is "long"?

Here's the thing...the previous Owner did a lot of good work on my house, which is 5-6 years old. Did a really nice job finishing the basement, pre-wired it for surround sound. In the upstairs family room, he installed rear speakers and outdoor speakers, and wired both so they come out behind the logical tv space. It seems like someone who did that much good and conscientious work on this new of a house wouldn't have screwed something like this up. Based on your response, I'm inclined to think my run might be short enough.
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Old 09-05-2006, 12:32 PM   #4
What is HD?
 

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Default Will RG59 support HD?

After months of waiting for Charter Cable to supply me with an HD box, I had DirecTV out at the house yesterday. The would-be installer saw my RG59 cable, and said he wasn't sure whether it would support HD (that the picture might be really good, but not "true" HD, or it might be terrible). I have no problems with regular cable reception.

I've read that RG59 is meant to use for short runs, while RG6 is used for long runs, but can anyone give me an idea of how "long" or "short" we're talking here?


Here's the thing...the previous Owner did a lot of good work on my house, which is 5-6 years old. Did a really nice job finishing the basement, pre-wired it for surround sound. In the upstairs family room, he installed rear speakers and outdoor speakers, and wired both so they come out behind the logical tv space. It seems like someone who did that much good and conscientious work on this new of a house wouldn't have screwed something like this up...
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Old 09-05-2006, 01:15 PM   #5
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This may not help, but...

True purists will tell you that you must have RG6, that RG59 just won't work. But I have also seen posts that say RG59 will work just fine. My understanding is that RG59 is just an older technology, not "short run" vs. "long run."

I can tell you this: I have a 26 year old Radio Shack antenna in the attic, with about 100 ft of RG59 via a 3-way splitter between the antenna and my HDTV, and the OTA HD picture is terrific!

My Verizon FiOS distribution is via RG6, which Charter put in a number of years ago to replace their 20+ year old RG59, so I cannot tell you for sure about cable or satellite distribution via RG-59. But I bet it will work just fine, unless the cable has deteriorated badly.

Does DirecTV offer any kind of 30- day guarantee or something? And I thought the satellite companies were offering "free" installation to multiple rooms, that would have to include the cabling wouldn't it?
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Old 09-05-2006, 01:32 PM   #6
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Originally Posted by Justin
This may not help, but...

Does DirecTV offer any kind of 30- day guarantee or something? And I thought the satellite companies were offering "free" installation to multiple rooms, that would have to include the cabling wouldn't it?
Allegedly too complicated a snake job for them to do. I would have to get an electrician to snake it, or they can punch a hole in an exterior wall, run a cable along the floor against the molding directly to my tv. Not a terrible option, but you have to special request white cable. So I figured in the interim I'd see what I can find out about RG59, to see whether either is actually necessary.
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Old 09-05-2006, 02:44 PM   #7
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Quote:
Originally Posted by dgersh
Thanks. How long is "long"?

Here's the thing...the previous Owner did a lot of good work on my house, which is 5-6 years old. Did a really nice job finishing the basement, pre-wired it for surround sound. In the upstairs family room, he installed rear speakers and outdoor speakers, and wired both so they come out behind the logical tv space. It seems like someone who did that much good and conscientious work on this new of a house wouldn't have screwed something like this up. Based on your response, I'm inclined to think my run might be short enough.
One foot!!!

And I'm not kidding!!

Cable companies no longer will supply or recommend RG-59 since HD came out.
I bought a isolator for a ground loop problem I was having and needed another section of cable. I had a 18 inch section from something I had boughten in the last year which was RG-59. I used it and right off the bat noticed a large difference in picture noise, that lasted as long as it took to get to the store and back.
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Old 09-05-2006, 02:44 PM   #8
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Quote:
Originally Posted by dgersh
Allegedly too complicated a snake job for them to do. I would have to get an electrician to snake it, or they can punch a hole in an exterior wall, run a cable along the floor against the molding directly to my tv. Not a terrible option, but you have to special request white cable. So I figured in the interim I'd see what I can find out about RG59, to see whether either is actually necessary.
Yes, it would have been better to us RG6 but unless you have cable runs >>100' don't worry about it.
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Old 09-05-2006, 04:28 PM   #9
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RG59 is 75 ohm coax just as is RG6 so signal wise it will pass it. The difference is the cable loss is greater with RG59 than it is for RG6 because it is smaller cable. Here is a loss table for RG59, RG6 and RG11 the 75 ohm cables - small to large:
http://www.pbn.com.au/products/technical/rf7.php
One way to overcome the smaller cable loss would be to use an amplifier at the source end sized to make up for the difference between the RG59 loss and the RG6 loss.
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Old 09-05-2006, 05:58 PM   #10
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I'm not sure what "makes snaking an electrician-level job" means, but I know that cable guys really don't like running cable. I recently replaced all the 15+ year old RG59 in my house with RG6 quad shield. It took a while, but it wasn't all that hard.

You can borrow/rent/buy fish tools to help route the cable. Depending on how the previous owner secured the cables, you might be able to attach RG6 to the RG59 end and just pull the cable thru.
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Old 07-26-2011, 10:22 PM   #11
How can anyone watch standard def?
 

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Quote:
Originally Posted by dgersh View Post
After months of waiting for Charter Cable to supply me with an HD box, I had DirecTV out at the house yesterday. The would-be installer saw my RG59 cable, and said he wasn't sure whether it would support HD (that the picture might be really good, but not "true" HD, or it might be terrible). I have no problems with my current cable reception, but don't have HD yet because Charter is terrible.

According to this guy, the setup in my house makes snaking an electrician-level job. Alternatively, they can punch a small hole to the exterior of the house, and run a new RG6 cable along the molding on the floor directly to my big screen.

Thoughts/suggestions/comments are greatly appreciated.
My RG6 is old and has badly installed connectors. So, I'm going to replace about 100' ft of it with RG11 and factory installed connectors.
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Old 07-26-2011, 11:13 PM   #12
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Maybe I am missing something.

If the cable(s) in question go from the DirecTv Set To Box/DVR and the dish on the roof, there is no "HD" per say. It is a bunch of channels, some HD some not HD, plus DC power and all kinds of data.

For any cable that goes up to the roof antenna, RG-6 is you most reliable path to success. I do not know if it would work with RG-59 or not. I have never heard of anybody trying it. Every installation I know of uses RG-6. I assume there is a reason for that.

You do not need an electrician to pull RG-6 cable. It is a low voltage signal and does not require a contractor's license.

You need somebody with the tools and the expertise (not an electrician's license) to use your old RG-59 as a pull string and pull RG-6 cable in behind it. Check around and see if you can get somebody to give you a quote and will garauntee their work.
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Old 07-27-2011, 01:31 PM   #13
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IMO, Your real concern here is not really whether the RG59 will support HD, its more about if it will support satellite signal frequencies. Since very little RG59 on the market today is swept above 1ghz, and satellite freq is just under 2ghz that rg59 may have some serious attenuation at the higher frequencies. It is also recommended that an RG cable with a SOLID copper center conductor be used since it carries the DC power required to power the LNBs over a greater distance without a drop in voltage compared to a copper covered steel center conductor. As far as the installer wanting to drill through your exterior.. most of those guys are subcontractors paid by the job, if they take an extra two hours to pull wire vs running it on the exterior wall it could be one less job they do that day .. its just a case of economics for them.
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