Combining tv antennas
my plot is
http://www.tvfool.com/?option=com_wr...9038eeccf587af having problem with channel 28. Signal is 50 to 65 in strength. When attaching tv antennas, should they be attached in a "series", not parallel? |
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Hello, user name
Thanks for the signal report. Quote:
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What two antennas are you attaching, and why do you want to attach them? There are many ways of attaching antennas. Do you mean attaching them to the mast or do you mean connecting the coax cables together? I see a lot of trees in your area that can block TV signals. Are there trees in the signal path from channel 28? http://forum.tvfool.com/attachment.p...6&d=1530455531 Please tell us more details so that we can give you good advice. |
2 large uhf antennas using coax
maybe 3 large uhf antennas using coax if necessary trying to combine antennas, using coax, to increase overall gain. using digital to analog converter box to find signal strength strong stations such as channel 6 are ok I and antennas are in the attic |
http://www.hdtvprimer.com/antennas/ganging.html
Read the above link. Perhaps it will help understand stacking antennas. |
so combining antennas in series ............
So combining antennas in series won't work?
Combining must always be done in parallel? |
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I can't answer you question until I know what you mean by connecting antennas in series or parallel. Can you draw a diagram to show us what you mean? You can combine two IDENTICAL UHF antennas aimed in the SAME direction with a splitter in reverse for more gain; the two coax lines from the antennas to the splitter must be the SAME length. |
Or you could buy a large high gain antenna like the DB8e.
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No just go with a king Jack it will out perform that hi price lol
With a built-in sign finder 32dbg.And it's not just uhf? It all so a hi&low band Vhf.That receive ATSC,03 Come on antennas Direct marketing just uhf tv antennas Like the 91 XG,IS THE BEST ANTENNA TOO BUY!!WHEN IT COMES TOO UHF?BROADCASTING TOWER'S,WITH A CHANNEL MASTER 7777AMP YOU WILL RECEIVE WITH THE ANTENNAS DIRECT 91XG,90miles with it And less of a wind sail.And a better price and free shipping and don't forget The tilt feature on that 91,too get them broadcasting tower's this antenna Will OUT performan the Db8,all the way around.lol no stacking boy that is a lot of money For DB'8'S .ps I suggest that the trees are a problem that is why I suggest the 91, And get the ANTENNA up about 40ft off the roof linen or get a chainsaws lol And the Db8,is not a good idea |
ant - ant - tv = series
ant |--tv = parallel ant |
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This is the only way I know how to do it: https://i.imgur.com/zY9iOto.jpg The above method uses off-the-shelf parts, but there is also a lowest-loss method for an additional 0.5 dB gain, and it requires special DIY connections. |
It's for all stacking up ANTENNAs
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Put 2 of the same antennas together!! In less you have an amp with 2uhf in then It you can do it that way too. Good luck 3,Feet apart frum one another And see if you can adjust the ANTENNA to a 35,DGAGL Will all so help out with your receive. |
I believe user name for the stacked antennas is HighTower ?
And like's too start trouble on an OTHER form,telling people that He is going to cut their RG11,CABLE Rabbit pleas don't Help this person out thank you. |
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I don't think HighTower will actually cut your RG11 coax; he is just giving you a hard time. Ignore him, please. The poster that started this thread is user name. He is having a difficult time describing his reception problem and only gives short answers. I am finding it difficult to understand him, but I am doing the best I can to help him. |
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http://forum.tvfool.com/attachment.p...7&d=1531780500 This method is used by Calaveras of AVS for his two 91XGs. http://www.aa6g.org/DTV/index.html https://i.imgur.com/EWH9LI1.jpg https://i.imgur.com/BQ6FLNV.jpg |
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This would be one way to connect two antennas in series, but it is not a good idea.
http://forum.tvfool.com/attachment.p...9&d=1531784332 |
rabbit 73 correct me if I am wrong. One could build an open line feed harness between two antennas, or use ladder line. Placing the balun at the center point between the antennas. While I've not yet tried such an array. I plan to to try such an array in the near future. While most TV antenna stacking is done horizontally, stacking vertically will give different results, but in some cases could work better.
73 Steve KC7--- |
Hello, Steve
Yes, it can be done that way. The hard part is determining the impedance of the open-wire lines from each antenna to the combining point so that when they are connected in parallel, you have 300 ohms for the balun. Forum member holl_ands on AVS and digitalhome.ca does modeling; he might be able to help you with that. He has worked out an open-wire harness to combine the two 4-bay antennas of the CM4228HD, which he calls the HHH. https://imageevent.com/holl_ands/mul...dshorizharness Quote:
73 W4... ex-W2... ex-DL4.. |
Vertical in the US does not work so if you don't want too be back on the roof
For get that open line feed with all the new stuff out there to day why!! Would You it's a waste of time and one big mess I will stick with the T they work so well Better than a combines. |
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FWIW, many US stations who did not previously do so will be adding a vertical component to their signal to create either circular or elliptically polarized broadcast signals. In those specific cases, an antenna rotated so that it is vertically polarized will, in fact work just fine. However, since the default polarization of all TV broadcast signals is required by regulation to be horizontally polarized, the default polarization of the receiving antenna should also be horizontal. Quote:
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Yes it's for the brodband? Not sure but not for regular broadcasting?
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