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    Help spec'ing an OTA HDTV solution


    This is a discussion on Help spec'ing an OTA HDTV solution within the DTV | HDTV Reception and Antenna Discussion forums, part of the Over-the-Air (Antenna TV) category.

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    1. #1
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      Hi, I just registered, this is my first post. Looks like a great forum, thanks in advance for the help! I am about to "cut the cord" with Direct TV and go to a TV solution based on a Tivo Premiere box (DVR for OTA broadcasts, plus Netflix/Hulu/Amazon for streaming cable shows and movies). I currently have an HDTV, but no OTA HD antenna or associated equipment. My plan was to connect an antenna to my Direct TV dish (roof mounted) and use one of the coax cables coming off the dish to connect to the OTA antenna. That's my introduction. Below I'll try to answer the questions from the stickied post at the top of this forum...

      What is your primary objective (check the line applicable) :
      I want as many as I can reasonably get (i.e. all the major networks, cbs/nbc/abc/fox/pbs)

      Main Assembly:
      What kind of Terrestrial Antenna do you presently have:
      no
      ne

      Is the Antenna to be/or installed:
      roof top, on a direct tv dish/tripod

      If in Attic, Roof or outside separate Mast/Pole:
      How high above ground is your Antenna installed/proposed:
      the base/mounting-point of the antenna would be about 12 ft off the ground.

      Do you have an Antenna Rotator:
      no


      Are you presently using a Pre-Amplifier:
      no


      Interior:
      How many linear Cable feet is it between your Antenna and the most far TV:
      24 ft

      How many TV sets will be/are presently being used, on this system:
      one.

      How many Splitters are in use in your system:
      none

      Are you using a Distribution Amplifier:
      no

      Additional Information:
      Are you/do you plan to integrate Cable or Satellite Services with this system:
      no

      Is there anything else you would like to provide concerning construction, obstructions or geographical issues?
      My house is surrounded by large trees. Specifically, there are 50-60ft tall pine trees to the south and west of my house, about 50ft away from the antenna. And then there are 100ft tall cottonwood trees behind those pine trees, about 75ft from the antenna. Beyond that, in general, I am surrounded by 100ft cottonwood trees throughout my neighborhood.

      Here is a link to the TVFool signal analysis based on my specific address:
      TV Fool

      Thanks for the help!
      Scott

    2. #2
      The Graveyard Shift
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      From a quick look a bowtie antenna pointed due south will pick up a fair bit. Ill come back after work (7am here) and post a report if noone else has, or I have anything to add.
      nbound-au is a qualified Antenna, Satellite, and MATV installer.

      I live in DVB-T land.


    3. #3
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      Scott,

      You have an excellent antenna survey (I wish mine was even close to it). You have stations available from several compass directions and personally, I would include an antenna rotator to try to capture as many as possible on a single Yagi-style combination high-band VHF / UHF antenna.

      An example of a good combination antenna for your location is a Channel Master CM-3016. Channel Master CM3016 Suburban Advantage TV Antenna (CM-3016) from Solid Signal Antennas&sku=

      Jim
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    4. #4
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      The first few stations on the report you will probably get no matter what antenna you have or where it's pointed - very close and strong signal. But they aren't your "important" stations. You need the "Big 6": ABC, NBC, CBS, Fox, PBS, and CW. Everything else is just icing on the cake.

      For the channels you "need", it's all a mix of UHF and VHF-hi. I would go with either a combo antenna like the HBU-33 pointed south, or a 2 antenna solution like a 4 bay UHF and a VHF-hi antenna like a Winegard YA-1713, both pointed south. The second option of 2 antennas is what I would go with - a wide beam on the 4-bay gets you quite a few channels and the possibility of picking up a few stronger channels from the north (30/27/44) off the back, while the VHF-hi antenna could be precisely aimed towards the weaker ABC 7/ NBC 9 channels you need.

      I am surrounded by 100ft cottonwood trees throughout my neighborhood.
      I'm sorry. I HATE cottonwoods! But there's not much you can do about that, is there?

      You'll have to deal with the trees to your south, also. You might consider trimming enough branches off the pines to make a "window" if they are your trees. If not, seek a location with minimal obstruction for your antennas.
      Last edited by MrPogi; 03-26-2013 at 09:08 PM.

    5. #5
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      Quote Originally Posted by Fringe Reception View Post
      I would include an antenna rotator
      A rotator.

      You know, everyone thinks their antenna setup should be universal. I was thinking he could go with an indoor antenna until I read about all the trees...

      RickyBaby
      Last edited by Rickideemus; 03-26-2013 at 09:20 PM.

    6. #6
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      El Cheapo System (HD underlined,VHF Low station, VHF High station, UHF station)
      Small combination antenna (type not too important at these strengths) pointed roughly magnetic west, poor selection of channels, but dirt cheap.

      Likely received (only those in direction pointed listed):
      KFCT - Fox, Antenna TV - (satellite station of KDVR)
      KQCK - MundoFox
      KPXH - Ion, qubo, IonLife, ShopTV - (retransmits KPXC)
      KRMA - PBS, V-me, Create
      K48CG (analog) - TBN - (religious)

      -------------------------------------------------------------------------------------

      Bang for Buck System (HD underlined,VHF Low station, VHF High station, UHF station)
      Large Combination antenna or large UHF and VHF antennas diplexed together (diplexed antennas more powerful but a little harder to install). Antenna should be pointed roughly between 193 and 180 degrees magnetic. Beamwidth of antenna needs to be greater than or equal to ~15degrees and most large antennas can accomodate that just fine, if can get a bit larger beamwidth may produce more reliable reception of other stations stations at 150-160 degrees. (there isnt too much there anyway and most of them are strong enough to come in).

      Im not going below the NBC station (weakest major), as I dont know the affect of the very tall trees on the weaker stations at your location. You will likely get some of them, to maximise what you get a preamp may be a good idea, but I doubt it will be required for reception of ABC/CBS/NBC/Fox/PBS/CW - but as always YMMV.

      Likely received (only those in heading range mentioned above listed):
      KBDI - PBS, Encore, Mhz Worldview
      KRMA - PBS, V-me, Create
      KTVD - MyNetwork, MeTV
      KTFD - UniMas, Bounce TV
      KDVR - Fox, Antenna TV
      KCNC - CBS
      KWGN - CW, This TV
      KMGH - ABC, Azteca America, News
      KUSA - NBC, Accuweather
      and probably various others...
      -------------------------------------------------------------------------------------

      There is always only one way to know for certain what stations you can receive and what channels are currently carried by them; and thats installing your antenna of choice and seeing what comes in!
      nbound-au is a qualified Antenna, Satellite, and MATV installer.

      I live in DVB-T land.


    7. #7
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      Quote Originally Posted by nbound-au View Post
      El Cheapo System
      Bang for Buck System
      (HD underlined,VHF Low station, VHF High station, UHF station)
      Man, you work too hard!
      I think we all appreciate your contribution here.

      Rick
      nbound-au likes this.

    8. #8
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      Scott is definitely going to want to shoot for the main transmitters out of Denver. The main issue is overcoming the losses from the trees. I'd recommend something like a Winegard HD-7695P antenna.
      Snappy Dan Reminds You:

      DO NOT install antennas anywhere where they could fall into overhead power lines!!! An antenna falling into power lines may result in electrical shock or death. All outdoor antennas must be grounded in accordance with the National Electrical Code (NEC). Be careful while working on roofs or towers. Always use appropriate safety precautions!!!

    9. #9
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      Quote Originally Posted by dkreichen1968 View Post
      Scott is definitely going to want to shoot for the main transmitters out of Denver. The main issue is overcoming the losses from the trees. I'd recommend something like a Winegard HD-7695P antenna.
      I think this antenna would be a good solution at a reasonable price, as would nbound-au's "Bang for Buck System" although it's not quite so cheap or easy as Dan's suggestion. The ElCheapo system won't make anyone very happy - it lacks the "Big 3" networks.

    10. #10
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      Quote Originally Posted by MrPogi View Post
      The ElCheapo system won't make anyone very happy - it lacks the "Big 3" networks.
      Figured as much, just the cheapest way to get a few of them...
      nbound-au is a qualified Antenna, Satellite, and MATV installer.

      I live in DVB-T land.


    11. #11
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      Quote Originally Posted by Rickideemus View Post
      Man, you work too hard!
      I think we all appreciate your contribution here.

      Rick
      Between jobs, gotta do something to pass the time :P
      MrPogi and n2rj like this.
      nbound-au is a qualified Antenna, Satellite, and MATV installer.

      I live in DVB-T land.


     

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