Having spent a lot of time and money erecting a new telly aerial back in December, I've been rather disappointed by the results. My plan was to be able to receive transmissions from Crystal Palace rather than via the Bishop's Stortford relay. This has worked to some extent, but even with a big masthead amplifier the analogue signal is not really acceptable. I can get some of the digital channels with enough signal quality to watch, but until the switchover in three years I would like a better quality picture. With the scaffolding coming down in a week or so I've had to decide what to do - live with the set-up I've got now, or change it. I decided to keep what I've done so far - and add to it. The other transmitter I can use is Sudbury, so I bought a wideband aerial and pointed it over in that direction. This produces a half decent analogue picture, but due to the lower power on the digital side it doesn't give me enough signal to get a reliable picture on Freeview. I've diplexed the two aerials together so that I get channels 21-37 from Crystal Palace and 39-69 from Sudbury, put them through a variable masthead amplifier turned up full and then through a 4-way distributer to feed the loft, lounge, kitchen and the stereo. This gives the main four channels reasonably well from Sudbury, plus a variable channel 5 from Croydon (just behind Crystal Palace) and some of the digital from Crystal Palace. That should be OK up until the digital switchover - then I'll just have to hope that the increased power digital transissions will give me a useable signal from one side or the other. The fly in the ointment is the diplexer, which is not screened (apparantly no one makes a screened UHF+UHF diplexer). I noticed some interferance on the analogue channels, so I hope that won't lead to fatal crashes on the digital.
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