Can you run 2 Outputs from one antenna?

hobbsholepro

Thread Starter
Member
Jan 29, 2007
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I have a channel master 4228 antenna and it is 55 miles from the towers. Whenever I split it, the signal drops too much. Is it possible to run a second cable from the antenna into another amplifier then to another tv?
Thanks
 

stogie5150

Crazed Cajun Rebel
Jan 7, 2007
3,807
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Slidell,LA
I have a 4228 split with no problems, but then I am at only 20 miles away..so that might be why. :)

But I have read that the correct way to do it is run a single coax to a distribution amplifier from your 4228, then to your tv's. Or alternately maybe run a preamp and then split your signal, but that's just a guess because I don't have that either.

Just a couple ideas to think about. :up
 

charper1

Bourbon Tester
Supporting Founder
May 18, 2004
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I'm Nationwide
Not sure if it makes a difference, but can you tell us the make & model of the splitter you are using?

Are you using RG6; and how long are the cable runs?

What quantity of signal drop; before & after?
 

NightHawk

SatelliteGuys Pro
Jan 20, 2005
506
0
I have a channel master 4228 antenna and it is 55 miles from the towers. Whenever I split it, the signal drops too much. Is it possible to run a second cable from the antenna into another amplifier then to another tv?
Thanks
Are you using an antenna mounted pre-amp? If you use a splitter after a pre-amp, splitting the signal should have no impact if you are using the correct splitter.
 

hobbsholepro

Thread Starter
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Jan 29, 2007
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I have a CM4228 antenna and about a 100 foot cable run of RG6 with an antenna mounted CM7777 amplifier. I get 70% average on signal strength, but when I split it after the amplifier(standard radioshack splitter$6.00 ), it drops to about 50-55%. I don't have a signal strength gauge, I just use the meter on the tv.
If there is a special splitter I need, someone please tell me.
 

NightHawk

SatelliteGuys Pro
Jan 20, 2005
506
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Do you have a receiver/TV/load connected to both output ports on the splitter? Sometimes a port or cable connected to a port with no load can cause problems.

If that's not the case you may have a defective or just plain crappy splitter. The splitter should be a VHF/UHF model good for at least 5 -> 1000 MHz
 

Larry1

SatelliteGuys Pro
Aug 24, 2005
1,565
107
Port Hope, ON Canada
You could try an amplifed splitter aka signal distribution amplifier. That should maintain the same signal strength to all devices connected compared to running it to just one device direct. If a standard 2-way splitter drops your signal too much then you do not have much margin for poor weather or other atmospheric conditions. You may have to look at placing the antenna in a different spot to get more signal captured. Remember, you can only amplify what the antenna receives. If it receives no signal, an amplifier will not make up for the loss of signal.
 

hobbsholepro

Thread Starter
Member
Jan 29, 2007
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Thanks for the input...I really appreciate it. I think I will try the signal distribution amp first and run a 2nd cable second. I have a very touchy setup and have already peeked my antenna position on the roof. I don't even have the option of using a diplexer so I had to make a straight cable run from antenna to booster to tv.
The replys are appreciated.
 

Larry1

SatelliteGuys Pro
Aug 24, 2005
1,565
107
Port Hope, ON Canada
If you don't have a pre-amp, I would try that first, as it will amplify the signal where it is strongest, at the antenna. By the time the signal travels down the cable to the point where it is to be split, there is already signal loss.
 

autiger62

Member
Mar 2, 2008
10
0
Auburn, AL
Your problem MAY be WHERE your splitter is...

If your splitter is between the CM7777 preamp and it's power supply, you'll need to use a splitter that will pass-through power to the preamp. If you're splitting AFTER the power supply, any ol' splitter will work...Just a thought.:) BTW, a distribution amp might be a good investment, rather than using splitters.
 

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