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gmandual View Drop Down
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Joined: 19 Jul 2009
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Posts: 246 		Direct Link To This Post Topic: 3 tv's
    Posted: 22 Sep 2009 at 2:48am

On a good quality 2 way splitter you have about a -3.5db loss per split.   So you lose -3.5db on the first split, will have lost -7db total on sets after second split, and -10.5db total for sets connected after last split.

So that is 0.447 (under a 1/2) of the original signal for tv hooked up to first splitter
0.200  (1/5) of the signal to tv hooked up to second splitter
0.090  ( under 1/10) of the original signal to tv's after 3rd splitter.
 
If you have signal problems on the TV's you might want to consider getting rid of all the splitters and go with an amplified distribution system like this:
It has adjustable gain, and should allow you to deliver consistant quality video to all your sets, and you won't have the signal loss problems you might have with the splitters chained like you do.
Radio shack usually stocks those in most stores.  Which gives you the benefit you can try it out and if it doesn't work out take it back.  You would need to plug the amplifier into an AC outlet.
 
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Direct Link To This Post Posted: 22 Sep 2009 at 1:12am
somewhere I posted gigantic pictures of all of the splicing. Yes, I lose some of the quality but it didn't look too bad the night the dish pro checked it out. I have ordered a new Westinghouse model-16 inch that can be mounted on the wall or under a cabinet. It looked great in the store. I'll know more when it gets here. I ordered from Amazon.com My large 22 inch has a direct line. It still had a great picture.

Roxy
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Direct Link To This Post Posted: 22 Sep 2009 at 12:14am
Roxy, wow, that's alot of coax splitters.   If I recall correctly, every time you split the signal, you loose between 1.5 to 3 db of signal strength.    I would be interested to know what kind of video quality you get on the televisions.   Please post some pics of the final hookup with TVs and all. 
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Direct Link To This Post Posted: 17 Sep 2009 at 10:42am
Roxy,
as the author of the post you can go back to the post and edit the pic size.  400x300 seems to be a good size (for me because my pcitures come in at 800x600).  The preview will give you and idea of the size.  

So even though you a have a small file size, sometimes the photos can be large.

Thumbs UpGREAT PICS BTW and now that you gone this far, I waiting eagerly for the other PODMODs

Lee
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Direct Link To This Post Posted: 17 Sep 2009 at 10:28am
Sorry about the pics. thought they had been reduced. will try again later.

Roxy
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Direct Link To This Post Posted: 17 Sep 2009 at 12:01am

Here are the pictures of the 3 tv wiring job. The first one shows the wiring for the tv that will be sitting on the still to be made wall unit and will attach to the receiver and tv. The orange one is the direct wire from the satellite to the receiver. The black one is goes into the sat. port on the tv and the white one is plugged into the cable port


THis one is a close up of the switch between cable and satellite.



The last one shows all of the wiring and splits. The wiring to the other end of the trailer was fed through the wiring tube under the shower and then a hole was drilled into the stationary part of the wood base of the bottom bunk. It will be stapled to the wall and upper bunk for my third tv.



Retired Roxy
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Joined: 29 Jul 2009
Location: MD
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Posts: 9059 		Direct Link To This Post Posted: 16 Sep 2009 at 9:37pm
Originally posted by Outbound

..browsing the internet on my laptop while sitting at the campfire...
 
My wife and I do that!  2 laptops, a fire, and the stars...
Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual
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Direct Link To This Post Posted: 16 Sep 2009 at 6:21pm
Outbound: I'm with you, I don't have 3 tv's, but I have a 17" laptop for me (with a HDTV usb connection), my daughter has a 16" laptop and of course the audio thing above the sink.  Plus we both have Blackberries.  Still need to figure out the blackberry modem for the laptop.  But I get emails on the blackberry (have manual not put to use yet).

I think it's a whole new wave.  I'm not camping, I've traveling with comforts of home at a reasonable price.  I have a bucket list and I'm checking it off, IN COMFORT.
 

LeeLOL
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Joined: 25 Feb 2009
Location: Wis. Dells, WI
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Posts: 663 		Direct Link To This Post Posted: 16 Sep 2009 at 4:08pm
We bought a Toshiba 15" TV with DVD player from American of Madison.  Under $300.  Also available at BestBuy.com.  Just the right size.  We put a board on top of the sink when we use it, and store it away when not in use.  

Former owner of 2009 172
Darlene & Jim, Ewok our Lhasa
Roada our 2004 Roadtrek C190Popular


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Direct Link To This Post Posted: 16 Sep 2009 at 1:04pm
Wow... 3 televisions in an 18' trailer Thumbs Up

The next time that someone makes fun of me for browsing the internet on my laptop while sitting at the campfire, I'm going to send them your way, Roxy.
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