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All posts by Jon
Below are all of Jon's postings, with the most recent are at the bottom of the page.Thanks for the replies jb38 and Charles. I have tried to tune ch 33 manually and there is no signal on my Humax HD PVR. The reason I say needing a wideband aerial is a pain is because it is on the end of a long pole on a very high chimney! I have reached it in the past, but I really don't fancy it now, and it isn't worth paying an aerial installer just to get BBC Four HD.
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Hi jb38, yes, I did do the test correctly on ch33, and it showed nothing at all. I also tried ch58, and after manually selecting DVB-T2 it showed 54% strength and 100% quality. I rechecked ch33, made sure I had selected DVB-T2, and it definitely shows nothing. I think I need a wideband aerial.
Thanks, Jon
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Hi jb38,
Thanks for your persistence and suggestions; I have solved the problem, and the answer is very silly. I didn't blank my Humax, I borrowed an HD signal analyser so I could check the whole of my system from the aerial down. I connected the analyser in the loft, and it said 46dBuV on ch33 direct from the aerial, and gave a decent picture of BBC News HD. I wasn't expecting that!
The aerial goes to a 20dB loft amp, then a long downlead, a passive splitter under the ground floor then to an aerial socket in the living room. There was a huge signal loss in the living room, which was due to the socket. At first I thought the socket was faulty, and then I realised what I'd done. My excuse is that the socket is in an awkward position behind a cabinet, but it is a dual outlet socket (TV/FM) and I had put the plug into the FM hole! It passed enough signal for the higher channels to work, but not channel 33. Now I have 80% signal strength on ch49 and 70% on ch33.
I was convinced there was nothing wrong with my system, so it is only because of your prodding that I actually checked it properly.
Thanks for your help,
Jon
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Friday 25 July 2014 10:45PM
Nothing on the com7 multiplex (BBC Four HD etc) from Mendip is receivable by me in Bristol. Because it is on channel 33 a wideband aerial is probably required, which is a bit of a pain.