Recently (late Feb 2012) had several DTV channels frequently lose signal, whereas over the past few years most channels have basically been quite reliable and fine.
In the Newcastle, NSW area here.
The affected channels lately, i.e. ones frequently reporting "no signal" are:
ABC1, ABC2, ABC3, ABC News
SBS1, SBS2
NBN,
GEM Newcastle,
GO! Newcastle.
Prime 7, 7Two & 7Mate seem occasionally lesser-quality digital reception, whilst
10, OneHD & 11 seem OK.
The aerials on the roof appear to be intact without any obvious damage or broken parts, and everything appears to be plugged in as usual OK.
Anyone else having similar problems?