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Thema: OTA HDTV in Austin HELP!!!!!

  1. #1
    baldguy96
    Gast

    OTA HDTV in Austin HELP!!!!!

    I recently moved to Austin TX from LA ( where I got great OTA HD. Here
    ( in Lakeway) I have spent a year screwing with the OTA HD. I went from
    TERK 55 ( no good) ..to now , a 50 Element Channel Master which is
    giving me worse reception than the Radio shack 30 Element I just
    replaced. Particulaly KXAN 36 NBC. Got it before ...now can't recognize
    it. I Have 3 HDTV's.. some get some channels that others don't...Off
    the SAME antenna??? Also I get these numbered channels recognized on
    my scan that don't give me a picture ie 19,27 etc. Is it possible to
    have TOO powerful of an antenna? I can't believe a bigger antenna
    does't get a better picture than a smaller one I had. I used to sell
    video tape equip. and installed cable for a while in my younger
    years..so I'm pretty versed in these maters...but this is driving me
    crazy. any suggestions would be appreciated. Fuzzy in Austin


  2. #2
    DanR
    Gast

    Re: OTA HDTV in Austin HELP!!!!!

    baldguy96 wrote:
    > I recently moved to Austin TX from LA ( where I got great OTA HD. Here
    > ( in Lakeway) I have spent a year screwing with the OTA HD. I went
    > from TERK 55 ( no good) ..to now , a 50 Element Channel Master which
    > is giving me worse reception than the Radio shack 30 Element I just
    > replaced. Particulaly KXAN 36 NBC. Got it before ...now can't
    > recognize it. I Have 3 HDTV's.. some get some channels that others
    > don't...Off the SAME antenna??? Also I get these numbered channels
    > recognized on my scan that don't give me a picture ie 19,27 etc. Is
    > it possible to have TOO powerful of an antenna? I can't believe a
    > bigger antenna does't get a better picture than a smaller one I had.
    > I used to sell video tape equip. and installed cable for a while in
    > my younger years..so I'm pretty versed in these maters...but this is
    > driving me crazy. any suggestions would be appreciated. Fuzzy in
    > Austin


    Have you tried:
    www.antennaweb.org
    Plug in your zip code or even better your actual address. You will see where
    the transmitters are in relation to your home. It looks like there two VHF
    stations KAKW-DT Killeen / JCWX-DT Fredericksburg and the rest are UHF
    stations. See the "street level' map and you'll see the direction you should
    point your antenna for the Austin towers. I've found that proper aiming is
    critical. Again... you need a good UHF antenna to pick up the Austin
    stations.
    Some DT tuners are better than others. My tuner picks up a few weak stations
    when scanning but those weak stations will not display. I just ignore them.



  3. #3
    Wes Newell
    Gast

    Re: OTA HDTV in Austin HELP!!!!!

    On Fri, 24 Nov 2006 22:40:47 -0800, baldguy96 wrote:

    > I recently moved to Austin TX from LA ( where I got great OTA HD. Here
    > ( in Lakeway) I have spent a year screwing with the OTA HD. I went from
    > TERK 55 ( no good) ..to now , a 50 Element Channel Master which is
    > giving me worse reception than the Radio shack 30 Element I just
    > replaced. Particulaly KXAN 36 NBC. Got it before ...now can't recognize
    > it. I Have 3 HDTV's.. some get some channels that others don't...Off
    > the SAME antenna??? Also I get these numbered channels recognized on
    > my scan that don't give me a picture ie 19,27 etc. Is it possible to
    > have TOO powerful of an antenna? I can't believe a bigger antenna
    > does't get a better picture than a smaller one I had. I used to sell
    > video tape equip. and installed cable for a while in my younger
    > years..so I'm pretty versed in these maters...but this is driving me
    > crazy. any suggestions would be appreciated. Fuzzy in Austin


    All the Austin stations are within 10 miles of you. All but one are UHF
    and the other is channel 13, which should be picked up ok with a UHF
    antenna. Your antenna should be pointed at 106 degrees for best reception
    of the Austin stations. You probably shouldn't be using a large antenna.
    The Houston stations are only about 100miles the other side of the Austin
    stations in the same direction. Too large of an antenna may cause
    interferences. I would think a small indoor/outdoor antenna should work
    well pointed in the right direction. With the trouble you're having you
    might want to inspect your cable connections.

    --
    Want the ultimate in free OTA SD/HDTV Recorder? http://mythtv.org
    http://mysettopbox.tv/knoppmyth.html Usenet alt.video.ptv.mythtv
    My server http://wesnewell.no-ip.com/cpu.php
    HD Tivo S3 compared http://wesnewell.no-ip.com/mythtivo.htm


  4. #4
    lnh
    Gast

    Re: OTA HDTV in Austin HELP!!!!!

    Two points.

    A bigger antenna is (usually) MORE directional and more picky in
    pointing. You may need a rotor.

    A bigger antenna (should) mean more signals. ALL signals. Not only can
    your desired signals overload a digital TV tuner, but the rest (such as
    powerful FM stations) will desensitize your receiver. Attenuators are
    your new friends. In fact, most digital tuners are much more troubled by
    too much signal than too little.

    Digital is harder to troubleshoot without a spectrum analyzer because
    digital doesn't show you the problems like analog did. The quality of
    the analog channels can give a hint of problems, but I have seen
    flawless HD and unwatchable analog.

    In article <1164436847.413816.226300@j72g2000cwa.googlegroups.com>,
    "baldguy96" <Baldguy96@aol.com> wrote:

    > I recently moved to Austin TX from LA ( where I got great OTA HD. Here
    > ( in Lakeway) I have spent a year screwing with the OTA HD. I went from
    > TERK 55 ( no good) ..to now , a 50 Element Channel Master which is
    > giving me worse reception than the Radio shack 30 Element I just
    > replaced. Particulaly KXAN 36 NBC. Got it before ...now can't recognize
    > it. I Have 3 HDTV's.. some get some channels that others don't...Off
    > the SAME antenna??? Also I get these numbered channels recognized on
    > my scan that don't give me a picture ie 19,27 etc. Is it possible to
    > have TOO powerful of an antenna? I can't believe a bigger antenna
    > does't get a better picture than a smaller one I had. I used to sell
    > video tape equip. and installed cable for a while in my younger
    > years..so I'm pretty versed in these maters...but this is driving me
    > crazy. any suggestions would be appreciated. Fuzzy in Austin


  5. #5
    Karl S
    Gast

    Re: OTA HDTV in Austin HELP!!!!!

    baldguy96 wrote:
    > I recently moved to Austin TX from LA ( where I got great OTA HD. Here
    > ( in Lakeway) I have spent a year screwing with the OTA HD. I went from
    > TERK 55 ( no good) ..to now , a 50 Element Channel Master which is
    > giving me worse reception than the Radio shack 30 Element I just
    > replaced. Particulaly KXAN 36 NBC. Got it before ...now can't recognize
    > it. I Have 3 HDTV's.. some get some channels that others don't...Off
    > the SAME antenna??? Also I get these numbered channels recognized on
    > my scan that don't give me a picture ie 19,27 etc. Is it possible to
    > have TOO powerful of an antenna? I can't believe a bigger antenna
    > does't get a better picture than a smaller one I had. I used to sell
    > video tape equip. and installed cable for a while in my younger
    > years..so I'm pretty versed in these maters...but this is driving me
    > crazy. any suggestions would be appreciated. Fuzzy in Austin
    >

    As a rough "rule of thumb", the higher the gain a directional antenna
    has, the narrower its beamwidth. It's comparable to a candle vs a
    flashlight that way. One will illuminate an entire room weakly, while
    the other will illuminate a three-inch spot on the wall brightly.

    If your higher-gain antenna is pointing at one transmitting station,
    another could be outside of your antenna's narrow beam.

  6. #6
    Bruce Tomlin
    Gast

    Re: OTA HDTV in Austin HELP!!!!!

    In article <1164436847.413816.226300@j72g2000cwa.googlegroups.com>,
    "baldguy96" <Baldguy96@aol.com> wrote:

    > I recently moved to Austin TX from LA ( where I got great OTA HD. Here
    > ( in Lakeway) I have spent a year screwing with the OTA HD. I went from
    > TERK 55 ( no good) ..to now , a 50 Element Channel Master which is
    > giving me worse reception than the Radio shack 30 Element I just
    > replaced. Particulaly KXAN 36 NBC. Got it before ...now can't recognize
    > it. I Have 3 HDTV's.. some get some channels that others don't...Off
    > the SAME antenna??? Also I get these numbered channels recognized on
    > my scan that don't give me a picture ie 19,27 etc. Is it possible to
    > have TOO powerful of an antenna? I can't believe a bigger antenna
    > does't get a better picture than a smaller one I had. I used to sell
    > video tape equip. and installed cable for a while in my younger
    > years..so I'm pretty versed in these maters...but this is driving me
    > crazy. any suggestions would be appreciated. Fuzzy in Austin


    You're probably close enough to the towers that you need to aim your
    antenna properly to avoid too much multipath (the equivalent of analog
    "ghosting") interference with trees, hills, etc. The towers are on a
    hill on Loop 360 about a mile south of the big bridge. Here in Anderson
    Mill I have to aim the antenna for most of the local channels, but
    lately I've been able to get KXXV from Waco, even though that's way
    off-axis.

    Also, if you use an amplifier, put it as close to the antenna as
    possible. An amplifier can actually make a digital signal worse if it
    adds distortion.

    The way I figured out which way to aim my antenna was to mount it on a
    stand on the porch and rotate it until I got a good squawk off of my
    (2nd gen) tuner's signal meter. Then I mounted it on the chimney in
    that direction.

    If you've had HD before, then you probably have an older generation
    tuner which has problems with multipath. Multipath for me is so bad
    that _analog_ channel 7 is annoying to watch. When it rains, the
    multipath knocks out one or two digital channels. More than once I've
    wondered what was going on with the signal, then a minute or two later I
    hear the rain. And about every three or four months the wind blows my
    antenna off-axis and I have to climb a ladder and tweak it.

    You can probably even use a rabbit ears antenna as long as you get one
    with a rotatable UHF loop. At my mom's house in San Antonio, she can
    get all the digital stations with rabbit ears, which is good because her
    low-VHF cable TV picture quality is crap.

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