[mythtv-users] Time Warner: MythTV channel scan differs from Silicon Dust listings

Douglas Peale Douglas_Peale at comcast.net
Thu Dec 2 22:22:12 UTC 2010

On 12/02/2010 02:14 PM, Eric Sharkey wrote:
> On Thu, Dec 2, 2010 at 1:35 PM, Dan Wilga
> <mythtv-users2 at dwilga-linux1.amherst.edu> wrote:
>> On 12/2/10 1:25 PM, Steven Adeff wrote:
>>> I'm setting up a house-wide MythTV system for my parents. I've got the
>>> backend set up and built, it's QAM tuner is connected to the cable
>>> line and I've run a channel scan but the freqid's found don't
>>> completely correspond to the listings shown on the silicon dust site,
>>> http://www.silicondust.com/hdhomerun/lineup_web/US:90045#sidebyside
>>> is this more likely due to silicon dusts listing being out of date or
>>> a channel scan issue within Myth?
>> It could be either. The listings on SD's site work by receiving data from
>> the HDHR's of individual users. The data and screen shots are sent during
>> periods of inactivity on the HDHR.
>> Because of this, the listings are dependent upon someone in your area having
>> a HDHR hooked to the same provider as you. If they aren't using the exact
>> same provider, or if they subscribe to different channels, the listing will
>> be out of whack. If they stop using the HDHR, the listings won't get
>> updated.
> I've never gotten a scan that exactly matched the Silicon Dust
> listings on the web.  It's usually close, but there's always something
> in a different spot or another channel here or a missing channel
> there.
> It's not just that the listings are out of date, because they do
> change frequently and you can sometimes tell from the screen shots
> approximately when the data was collected, and they're usually in the
> very recent history, but it's my suspicion that geographic regional
> differences in channel tables don't match precisely with zip code
> boundaries.
> Up to date and accurate channel frequency tables is something I wish
> Schedules Direct was able to supply.
> Eric

Lack of a proper frequency table is the fault of the cable company. Schedules Direct can not supply what the cable companies
refuse to give them.

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