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Thread: What's with "our" ABC signal quality.

  1. #1
    Ext User(Spartan613) Guest

    What's with "our" ABC signal quality.

    The bloody picture is always pixilated and dropping out. What's the story?
    Lesser signal strength, or antenna located some different from the
    commercial channels? I never have this problem with the commercials or SBS.


  2. #2
    Ext User(i|||| | | || ||| || |||| 2.0) Guest

    Re: What's with "our" ABC signal quality.


    "Spartan613" <nospam@buggeroff.com> wrote in message
    news:sar6p.10509$gM3.7199@viwinnwfe01.internal.big pond.com...
    > The bloody picture is always pixilated and dropping out. What's the story? Lesser signal
    > strength, or antenna located some different from the commercial channels? I never have
    > this problem with the commercials or SBS.
    >


    For ours ABC is the only rock solid reception.
    Then it is a choice of get SBS and seven, or the others, or wait for the plane/chopper to
    go away.

    It may not be lesser signal power, it could be other interference, paths, reflections,
    echos
    sometimes attenuating actually improves a channel.

    Basically the only suggestion for problems on the official sites is get a professional
    $1000 antenna rig, it -may- be better.

    (ignoreable rant)

    Digital can be reliable but the modulation/encoding they use to get more channels was
    meant for cable and makes it a noise detector thousands of times more sensitive than if
    they had a couple fewer channels or less definition.
    Consumer reception was not a major consideration in the design.
    this isn't a good explanation but gives some pointers.
    http://tech.ebu.ch/docs/techreview/trev_296-dtt_qam.pdf
    http://en.wikipedia.org/wiki/Quadrat...ude_modulation

    Theoretically 'only' 6db down to start with, a couple extra db for phase, a couple for
    echo, a couple for varying paths, a couple from the dog walking past and you fall of the
    digital cliff.
    Your reception goes from a couple of pixelations a day to a dozen a minute ---under the
    same conditions---.
    Consumers be buggered, we want more channels to play more repeats , we only care about
    people in metro areas with the wherewithall for professional antenna installation .
    Oh, lets make the first switchovers in the country.
    :-(



  3. #3
    Ext User(Spartan613) Guest

    Re: What's with "our" ABC signal quality.

    "i|||| | | || ||| || |||| 2.0" <i| || ||| ||||| |||||| 2.0> wrote in message
    news:4d5afb33$0$12979$c3e8da3$9deca2c3@news.astraw eb.com...
    >
    > "Spartan613" <nospam@buggeroff.com> wrote in message
    > news:sar6p.10509$gM3.7199@viwinnwfe01.internal.big pond.com...
    >> The bloody picture is always pixilated and dropping out. What's the
    >> story? Lesser signal strength, or antenna located some different from the
    >> commercial channels? I never have this problem with the commercials or
    >> SBS.
    >>

    >
    > For ours ABC is the only rock solid reception.
    > Then it is a choice of get SBS and seven, or the others, or wait for the
    > plane/chopper to go away.
    >
    > It may not be lesser signal power, it could be other interference, paths,
    > reflections, echos
    > sometimes attenuating actually improves a channel.
    >
    > Basically the only suggestion for problems on the official sites is get a
    > professional $1000 antenna rig, it -may- be better.
    >
    > (ignoreable rant)
    >
    > Digital can be reliable but the modulation/encoding they use to get more
    > channels was meant for cable and makes it a noise detector thousands of
    > times more sensitive than if they had a couple fewer channels or less
    > definition.
    > Consumer reception was not a major consideration in the design.
    > this isn't a good explanation but gives some pointers.
    > http://tech.ebu.ch/docs/techreview/trev_296-dtt_qam.pdf
    > http://en.wikipedia.org/wiki/Quadrat...ude_modulation
    >
    > Theoretically 'only' 6db down to start with, a couple extra db for phase,
    > a couple for echo, a couple for varying paths, a couple from the dog
    > walking past and you fall of the digital cliff.
    > Your reception goes from a couple of pixelations a day to a dozen a
    > minute ---under the same conditions---.
    > Consumers be buggered, we want more channels to play more repeats , we
    > only care about people in metro areas with the wherewithall for
    > professional antenna installation .
    > Oh, lets make the first switchovers in the country.
    > :-(


    Thanks for the info.

    This appears to be something peculiar to the ABC, and not just where I'm
    living now. It also happened at the previous location, AND happens in
    another capital city I work in. So this is with different TVs in different
    cities.


  4. #4
    Ext User(Michael Bednarek) Guest

    Re: What's with "our" ABC signal quality.

    On Wed, 16 Feb 2011 17:07:39 +1100, "Spartan613" <nospam@buggeroff.com>
    wrote in aus.tv.digital:

    >"i|||| | | || ||| || |||| 2.0" <i| || ||| ||||| |||||| 2.0> wrote in message
    >news:4d5afb33$0$12979$c3e8da3$9deca2c3@news.astra web.com...
    >>
    >> "Spartan613" <nospam@buggeroff.com> wrote in message
    >> news:sar6p.10509$gM3.7199@viwinnwfe01.internal.big pond.com...
    >>> The bloody picture is always pixilated and dropping out. What's the
    >>> story? Lesser signal strength, or antenna located some different from the
    >>> commercial channels? I never have this problem with the commercials or
    >>> SBS.

    >
    >Thanks for the info.
    >
    >This appears to be something peculiar to the ABC, and not just where I'm
    >living now. It also happened at the previous location, AND happens in
    >another capital city I work in. So this is with different TVs in different
    >cities.


    I have observed the same behaviour in Brisbane for a number of weeks
    now: only on all the ABC channels, others are fine.

    --
    Michael Bednarek http://mbednarek.com/ "POST NO BILLS"

  5. #5
    Ext User(Spartan613) Guest

    Re: What's with "our" ABC signal quality.

    "Michael Bednarek" <ROT13-zo@gtz.pbz.nh> wrote in message
    news:tq1nl6d7o6l4qj3ljmi4thrfuvsftho5ub@4ax.com...
    > On Wed, 16 Feb 2011 17:07:39 +1100, "Spartan613" <nospam@buggeroff.com>
    > wrote in aus.tv.digital:
    >
    >>"i|||| | | || ||| || |||| 2.0" <i| || ||| ||||| |||||| 2.0> wrote in
    >>message
    >>news:4d5afb33$0$12979$c3e8da3$9deca2c3@news.astr aweb.com...
    >>>
    >>> "Spartan613" <nospam@buggeroff.com> wrote in message
    >>> news:sar6p.10509$gM3.7199@viwinnwfe01.internal.big pond.com...
    >>>> The bloody picture is always pixilated and dropping out. What's the
    >>>> story? Lesser signal strength, or antenna located some different from
    >>>> the
    >>>> commercial channels? I never have this problem with the commercials or
    >>>> SBS.

    >>
    >>Thanks for the info.
    >>
    >>This appears to be something peculiar to the ABC, and not just where I'm
    >>living now. It also happened at the previous location, AND happens in
    >>another capital city I work in. So this is with different TVs in different
    >>cities.

    >
    > I have observed the same behaviour in Brisbane for a number of weeks
    > now: only on all the ABC channels, others are fine.


    Yep, there you go.

    Same here. Channels 2, 21, 22, 23 and 24 all on the blink most of the time,
    all the other channels are fine.

    I want my money back (from the ABC).


  6. #6
    Ext User(DonH) Guest

    Re: What's with "our" ABC signal quality.

    "Spartan613" <nospam@buggeroff.com> wrote in message
    news:_t47p.10522$MF5.8458@viwinnwfe02.internal.big pond.com...
    > "Michael Bednarek" <ROT13-zo@gtz.pbz.nh> wrote in message
    > news:tq1nl6d7o6l4qj3ljmi4thrfuvsftho5ub@4ax.com...
    >> On Wed, 16 Feb 2011 17:07:39 +1100, "Spartan613" <nospam@buggeroff.com>
    >> wrote in aus.tv.digital:
    >>
    >>>"i|||| | | || ||| || |||| 2.0" <i| || ||| ||||| |||||| 2.0> wrote in
    >>>message
    >>>news:4d5afb33$0$12979$c3e8da3$9deca2c3@news.ast raweb.com...
    >>>>
    >>>> "Spartan613" <nospam@buggeroff.com> wrote in message
    >>>> news:sar6p.10509$gM3.7199@viwinnwfe01.internal.big pond.com...
    >>>>> The bloody picture is always pixilated and dropping out. What's the
    >>>>> story? Lesser signal strength, or antenna located some different from
    >>>>> the
    >>>>> commercial channels? I never have this problem with the commercials or
    >>>>> SBS.
    >>>
    >>>Thanks for the info.
    >>>
    >>>This appears to be something peculiar to the ABC, and not just where I'm
    >>>living now. It also happened at the previous location, AND happens in
    >>>another capital city I work in. So this is with different TVs in
    >>>different
    >>>cities.

    >>
    >> I have observed the same behaviour in Brisbane for a number of weeks
    >> now: only on all the ABC channels, others are fine.

    >
    > Yep, there you go.
    >
    > Same here. Channels 2, 21, 22, 23 and 24 all on the blink most of the
    > time, all the other channels are fine.
    >
    > I want my money back (from the ABC).
    >


    # Ah, thanks for the tip-off.
    Having recently installed a new (digital) TV set, and let it
    automatically tune the channels, only the ABC is the problem.
    Can get all other channels alright, but can only get, eg ABC news at 7pm,
    by switching Input from DTV to ATV - and poor quality picture. But at least
    get a picture, sound.
    On the old analog TV set, it was usually SBS which was the problem.
    Seems the ABC needs to boost its transmission power, re digital? Or,
    something.



  7. #7
    Ext User(Brad) Guest

    Re: What's with "our" ABC signal quality.

    Do you have a new antenna? The ABC broadcasts on CH11 in most capital cities. Most older TV antennas were not made to cover this frequency very well. The lower antenna gain will result in poorer reception and will be completely unrelated to analogue reception of CH2 signals.

  8. #8
    Ext User(Netmask) Guest

    Re: What's with "our" ABC signal quality.

    On 16-Feb-11 17:07, Spartan613 wrote:
    > "i|||| | | || ||| || |||| 2.0" <i| || ||| ||||| |||||| 2.0> wrote in
    > message news:4d5afb33$0$12979$c3e8da3$9deca2c3@news.astraw eb.com...
    >>
    >> "Spartan613" <nospam@buggeroff.com> wrote in message
    >> news:sar6p.10509$gM3.7199@viwinnwfe01.internal.big pond.com...
    >>> The bloody picture is always pixilated and dropping out. What's the
    >>> story? Lesser signal strength, or antenna located some different from
    >>> the commercial channels? I never have this problem with the
    >>> commercials or SBS.
    >>>

    >>
    >> For ours ABC is the only rock solid reception.
    >> Then it is a choice of get SBS and seven, or the others, or wait for
    >> the plane/chopper to go away.
    >>
    >> It may not be lesser signal power, it could be other interference,
    >> paths, reflections, echos
    >> sometimes attenuating actually improves a channel.
    >>
    >> Basically the only suggestion for problems on the official sites is
    >> get a professional $1000 antenna rig, it -may- be better.
    >>
    >> (ignoreable rant)
    >>
    >> Digital can be reliable but the modulation/encoding they use to get
    >> more channels was meant for cable and makes it a noise detector
    >> thousands of times more sensitive than if they had a couple fewer
    >> channels or less definition.
    >> Consumer reception was not a major consideration in the design.
    >> this isn't a good explanation but gives some pointers.
    >> http://tech.ebu.ch/docs/techreview/trev_296-dtt_qam.pdf
    >> http://en.wikipedia.org/wiki/Quadrat...ude_modulation
    >>
    >> Theoretically 'only' 6db down to start with, a couple extra db for
    >> phase, a couple for echo, a couple for varying paths, a couple from
    >> the dog walking past and you fall of the digital cliff.
    >> Your reception goes from a couple of pixelations a day to a dozen a
    >> minute ---under the same conditions---.
    >> Consumers be buggered, we want more channels to play more repeats , we
    >> only care about people in metro areas with the wherewithall for
    >> professional antenna installation .
    >> Oh, lets make the first switchovers in the country.
    >> :-(

    >
    > Thanks for the info.
    >
    > This appears to be something peculiar to the ABC, and not just where I'm
    > living now. It also happened at the previous location, AND happens in
    > another capital city I work in. So this is with different TVs in
    > different cities.

    In the capital cities ABC is on LCN 12 which can fall between the cracks
    if you have an old antenna that generally went from 2 - 10 then the UHF
    section. So check your antenna and cabling from dame into the house

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