I have had my TiVo just on a week now and all was working ok, apart from everyday I would get the "line up error has occurred" for the channels. Not too much of a hassle, as I read on here that a fix is in the works.  The problem now is, when I rescan the channels, I only get 10 as opposed to the 20 I was receiving before.  I am running my TiVo from a Digitech Indoor amplified aerial, which I have unplugged and replugged in (power connection) but I don't think that's the problem as I am still able to get 10 channels. I have also restarted the TiVo and done a rescan but still only 10 channels.  

UHF for me comes from Mt Cargill in Dunedin if that is of any use, or if anyone else in Dunedin is having the same problem.