[mythtv-users] Tuning problems with 0.22 [UPDATE]

[Mike Dent]

2009/11/29 Mike Dent <mcdent at gmail.com>:
> Hi,
> I'm retuning my newly rebuilt 0.22 mythtv fe/backend. This was
> originally a 0.21 which I took a backup of the DB, fresh install and
> restored the DB.
> I don't *think* that has anything to do with it but thought I'd give
> you the background in case.
>
> I live in an area served by a repeater from Winter Hill. The repeater
> is called 'Lancaster' but is a few miles from my house, also we live
> in
> a dip with several high buildings in that direction. For that reason
> many (including me) round here beam direct towards Winter Hill.
>
> When I've done a retune in the past I've noticed I often seem top pick
> up channels which are weak and broken up, my understanding is that
> these
> are probably from the repeater and not in fact Winter Hill. To get
> round this in the past I used to delete the channels and start another
> full scan.
> I'm sure there is a better way but for the amount of times I needed to
> retune, it seemed to work.
>
> Now with the new system I decided to delete all the channels, delete
> the transports (via mythtv-setup) and start afresh.
>
> What happens now each time I do a tune is that after it has finished,
> 15 mins or so, I end up with about '157 confilicting DVB channels'.
> If I want to add these I must go through each one and give it a new
> channel number?
> However before I begun I made sure there were no existing channels? Do
> I need to do some kind of database magic and delete these?
>
> I'm still not sure if I will then end up picking up channels from the
> Lancaster repeater too?
>
> Is there a sure-fire way that I should do the tuning?
>
> I have 2 x Nova-T PCI cards in the myth box. I assume I do not need to
> do a separate tune on each card?
>
> I'm also looking to add a dual tuner USB stick to the mix but I
> thought I should get this setup working first. When I need to add
> that, must
> I tune that separately?
>
> Thanks for any information.
>
> Mike
>

I've made a post about this on my blog with a couple of photos which
might help explain what is going on.

Thanks

http://www.g6phf.co.uk/2009/11/mythtv-022-tuning.html

Mike