Coaxial Cable Digital TV Antenna

Location and direction of antenna is key to achieve the maximum number of channels. Check your address and aim via this site:

Channel master

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so to reiterate, I can plug a roof mount antenna into my main cable and feed all tv's?

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Yes.

Now, you will need to disconnect your cable input from the main splitter (it is possible to combine them, but it’s generally the “cable cutting” approach anyway. And you probably don’t have a dual-input splitter and you probably don’t want to add it just for this)

Each TV will plug into the coax port and be set to scan the “antenna” input (not the “cable” input) for channels. I get moderately different results for my fringe stations depending on the TV (which is probably a tuner function rather than a wire function)

Bonus points:
There are some Antenna DVRs. One of the most famous is TiVo’s OTA versions. Channelmaster makes one.
If you have a little know-how or are using streaming services on other streaming devices, consider an HDHomeRun by silicondust. You plug one end to your router, one to your coax, and the little guy broadcasts your antenna channels over your local network (have a roku/AppleTV/FireTV and want to move a tv across the room from the coax hookup? This is your guy! Same if you want an outdoor one without a hookup and want streaming + locals). They also will sell you a DVR software package for $30/year (centralized- you can watch on the app on all the TVs. But it won’t necessarily be on the TV itself (unless it’s a smart tv with the HDHR app)). You can use some other software tuners with this (ChannelsDVR ($80/y), Plex or Emby with lifetime memberships (~$150 once. They do sell annual subscriptions but I have no idea what they run). Or you can roll your own, but no one does that. They buy guide data, usually for around $30/y if this is a useful feature to you.



But more simply: yes. One antenna in your cable hookup = antenna at all your TVs via the coax ports in your wall.

Is there an guide or handbook online for this?

Can I remove my DTV dish and replace it with an outdoor antenna, hooking it up to the coaxial? Where would I need to put the amp? Media server?

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Can I remove my DTV dish and replace it with an outdoor antenna, hooking it up to the coaxial? Where would I need to put the amp? Media server?

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1)Absolutely
2) may not even need one. Try it without one first, add if you’re having trouble. But too many people focus too heavily on trying to amplify a bad signal from a bad antenna than getting a proper antenna and putting it where it needs to be (and a satellite mount would usually be a decent to good spot)
3) media server can go wherever you want it. That’s the beauty of it!


There’s not a guide or handbook for a “which of those to choose,” but that’s a decent enough list that I feel confident enough to tell you just go ahead and pick whichever of those looks best. Google each, read about them, and see which interface you like best.

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Can I remove my DTV dish and replace it with an outdoor antenna, hooking it up to the coaxial?

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I can't say for sure because I haven't had to deal with it, but I thought I remember reading about there being different satellite and cable splitters or some other component within the house that people sometimes need to swap out if they had satellite before. I could have sworn some people were not getting a signal at all when they swapped their dish with the antenna, then changed out the certain component and everything was gravy after that.