Problems with Channel 10 and One HD in Sydney

Every time I attempt to change the channel to either Channel 10 or One HD, the Tivo instantly loses the signal. When the channel is changed, the picture is there, but it is paused with the message about the signal - then the picture disappears completely while the Tivo searches for the signal. It can sometimes take several minutes before the signal has been re-acquired. Sometimes the paused picture comesback, disappears, comesback, disappears several times before it finally gets the channels.

The other TV's in the house (not connected to Tivo) receive the two channels fine through the same antenna, without any signal issues. The Tivo receives every other channel without problems and indeed, receives channel 10 and One HD fine, but only after it has gone through the process of re-acquiring the signal.

It's so frustrating. Can anybody help??

What signal level is showing for 1/10 and what are the others showing?

Peter.