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Thread: TIP: Combine two antennas for even better reception

  1. #1

    TIP: Combine two antennas for even better reception



    Are your locals coming from two different directions? Are you stuck in the middle? It's a common problem. To solve it, put up two antennas and combine the signals!

    It's easy. All you need is:

    Any two antennas
    Any combiner like this one: Winegard SP 2052 2 Way Splitter for VHF UHF FM HD 40-2050 MHz (SP-2052) from Solid Signal)

    We also recommend an antenna amplifier like this one: Winegard AP8700 Chromstar 2000 Series VHF/UHF Pre Amplifier (AP-8700) from Solid Signal to make sure the signal is as strong as it can be.

    Connect the two antennas to the combiner using equal length cables. This will help avoid phase problems. Note, it is possible that both antennas could pick up the same signal and create interference that could actually make interference worse. Aim carefully to try to avoid that.

    Then, run a cable to the splitter that comes with the amplifier. The power injector should go in the right side of the splitter, so power can flow though properly. Run a cable from the left side to your television.

    Confused? Here's a diagram.


  2. #2
    It's fair to say that this won't work for everyone... if both antennas are capable of picking up the same signals that signal could be completely canceled out. However, if you have two antennas and would prefer not to use something like the upcoming Antennas Direct DB8e Extended Long Range UHF HDTV TV Bowtie Antenna (DB8e) from Solid Signal you may find this is a good solution for you.

  3. #3
    Would this let me get reception in Hartford and New York City at the same time?

  4. #4
    It really depends on your precise location. You may not need two antennas. Send me a private message by clicking on the little quotation mark at the bottom of your post and we can discuss the matter.

  5. #5
    I have a similar experiment - I live in Toronto Ontario close to Lake Ontario with LOS to Buffalo and Toronto. Postal Code L6L 0A5.
    I am currently getting very good reception with a DB8E installed in my attic. One panel pointed towards Toronto 54deg magnetic and the other to Buffalo 148 deg magnetic. (panels separated by 94 degrees) At times, I do lose reception of my US channels (storms) and some times, typically at night, I receive many additional channels but only under perfect conditions.

    Your suggestion on my proposed experiment is appreciated:

    I have since (last week) purchased a DB4E from you with the following intent:

    To get better reception from buffalo, I want to point both panels of my DB8E towards buffalo148deg and join a DB4E that I will point towards Toronto 54 deg.

    My original though was to purchase a good quality 3 way splitter and join all the panels together using identical lengths of RG6Q

    What do you think.

    From reading other blogs, there are recommendations that state that I should have the two antenna separated by as much as 12 feet (horizontal) or minimum 3 feet if i stack them one on top of the other.

    Your insights are appreciated.

    P.S. my current installation (the DB8E) is amplified by a Wenegard LNA 200
    Last edited by Martin G; 09-16-2014 at 08:34 PM. Reason: Forgot something

  6. #6

    Combining a DB8E and a DB4E

    Quote Originally Posted by Stuart Sweet View Post
    It really depends on your precise location. You may not need two antennas. Send me a private message by clicking on the little quotation mark at the bottom of your post and we can discuss the matter.
    Just checking to see if you are still responding. I added the following to an older thread:

    I have a similar experiment - I live in Toronto Ontario close to Lake Ontario with LOS to Buffalo and Toronto. Postal Code L6L 0A5.
    I am currently getting very good reception with a DB8E installed in my attic. One panel pointed towards Toronto 54deg magnetic and the other to Buffalo 148 deg magnetic. (panels separated by 94 degrees) At times, I do lose reception of my US channels (storms) and some times, typically at night, I receive many additional channels but only under perfect conditions.

    Your suggestion on my proposed experiment is appreciated:

    I have since (last week) purchased a DB4E from you with the following intent:

    To get better reception from buffalo, I want to point both panels of my DB8E towards buffalo148deg and join a DB4E that I will point towards Toronto 54 deg.

    My original though was to purchase a good quality 3 way splitter and join all the panels together using identical lengths of RG6Q

    What do you think.

    From reading other blogs, there are recommendations that state that I should have the two antenna separated by as much as 12 feet (horizontal) or minimum 3 feet if i stack them one on top of the other.

    Your insights are appreciated.

    P.S. my current installation (the DB8E) is amplified by a Wenegard LNA 200

  7. #7
    I don't see anything wrong with what you are proposing or with the distances you mentioned. I'll take a more detailed look in the morning.

  8. #8
    Thanks, I was hoping to put them closer together like creating a 12 bay antenna, 8 towards Buffalo and 4 towards Toronto.

    Your guidance is appreciated.

  9. #9
    Hello. I'm new to this blog. I found while researching how to set up two HDTV on air antenna for my TV. I live in northern Arizona about 75 miles, as the crow flies, from Las Vegas (305dg mag). I have a channel master 150 mile antenna for the 'vegas stations and the come in very good. The county where I live has a translator on a hill about 17 miles from me (at 25dg mag), so I set up a second antenna using a combiner and ran the signals thru a Winegard amplifier. I ran auto tune on my TV, found the new stations. All seemed good, until the AZ stations started to drop out. I ran auto tune several times, adjusted the antenna with the same result, all the AZ stations gradually drop out. I found your diagram on connecting two antenna together, so how critical is it for the cables from the antennas to the combiner be the same length? Do I need a pre-amp? Perhaps the tuner in my TV will not accept two sets of signals? I'm a bit lost, any direct/suggestions are welcome!

    Tappett66

  10. #10
    It's really critical that the cables be the same length to avoid interference with two sets of signals.

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