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Problems scanning

Added by Chris Coles almost 3 years ago

Hello

I am new to tvheadend; and I am having some problems.
The location is in the UK, Lancaster (North West).

Hardware
The card is Hauppage WinTV-HVR-5525
https://www.hauppauge.co.uk/site/products/data_hvr5525.html

The aerial is: SV9460
https://www.oneforall.co.uk/tv-aerials/sv-9460-amplified-indoor-tv-aerial#/step-1
(Enabled as a LNA enabled in parameters)

I am using a docker container in UNRAID, with a driver /dev/dvb/adapter1 [Silicon Labs Si2168 #1 DVB-T #0]
  I have disabled DVB-C and DVB-S currently in Configuration > TV adapters.
  It is intended to be eventually used for Kodi, once setup.

Problem
Using the pre-defined mux UK - Lancaster; I pick up no channels at all, I get six Muxes's and Force Scan.

When I use the default-auto predefined; I get a considerable more amount of fails but it does pick up about 50-80 services from 57 muxes.
I have noticed there are no DVB-T2 (HD channels) - both the card and aerial which I think has good signal is not picking anything up.

Last night I spent a few hours trying to update the frequencies (using a site I found), putting stuff in AUTO and setting 8MHz, even trying to adjust the QAM/256 etc. I did not get very far at all...
  I probably made myself more confused as the Freeview website suggests Winterhill mux not Lancaster for my post code.  I believe my aerial is in the direction of Whitehill, and I tried with LNA on and off
I set the networks to advanced options: New muxes + changed muxes.
  The DVB-T channels I do find seem strong and very clear - BBC, Dave, SkyNews etc - perfectly clear, sharp, no audio/video cutout.

It be great if someone can help me, possibly give step by step or basic instructions especially how to get DVB-T2 HD in my area.
I sort of hoped it would be a case of hitting go and it do all the work.

Thanks
Chris


Replies (2)

RE: Problems scanning - Added by Dave Pickles almost 3 years ago

The DTV scan tables supplied with TVH are notoriously unreliable, but in the case of the Lancaster relay they do appear to be correct - or at least they agree with https://ukfree.tv/transmitters/tv/Lancaster

If you are receiving the Lancaster relay BBC1 should be on 521.833MHz and Dave on 530.167MHz. The one HD mux available is on 474.167MHz.

I suspect that your indoor aerial is not receiving enough signal for the HD mux.

RE: Problems scanning - Added by Chris Coles almost 3 years ago

Thank you Dave

That was the website I found last night and I couldn't be sure it was working or up to date (more difficult when your working with a incomplete picture of what a good scan looks like).
I've realised my general scan auto is picking up services on
  • 538MHz
  • 554MHz
  • 562MHz
  • 578MHz
    They are all winterhill frequencies.

I also tried the 3 frequencies you mentioned (I know they come up in Lancaster pre-defined but I did a manual addition but with different settings QAM/auto and same Auto settings as the four above just changing the frequencies and it failed too)
I think your right now, that my indoor aerial is not able to pick up the HD and the less powerful Lancaster transmitter (that surprised me).

Thank you for your help.
I now need to sort some long leads out to the loft.

Once I've tested it, hopefully mark the post as solved.

    (1-2/2)