[mythtvnz] DVB-T signal strength

[Graeme Woollett]

I'm having some issues with my Nova T 500 card.  I can scan and lock to 
channels, but after a while they go jumbled and I get "error encountered 
displaying video"
I suspect that it is a interference or signal strength issue.
I'm running the latest DVB source (it supports for my HVR4000 card).

Is 58% signal strength (from OSD) enough?

What are typical figures?

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