Thanks. Aerial on roof. Lead into lounge where there is a small splitter (about half the size of a fag packet). One lead then goes into YouView box and the other under flooring to another room in back of house.
From box the rf lead goes under floor to tv in window. Aerial installed about 15 years ago. Was originally going to have 2 aerials but installer said it wasn't necessary and a small splitter was sufficient . He was right. I am in north London.
Possibly a group A (and possibly not as few work at all well on 55/56, unlike widebands)
BUT re-arrange the cabling like this:
Aerial -> You view box direct (remove splitter)... Do the COM7/8 muxes now work reliably? What signal strength/quality do you get on all 8/9 muxes on box? Repeat numbers for TV attached to You View box.
Next try: You view box RF out -> splitter and feed the two TVs from the splitter that way? Do both TVs still work OK?
Relocating splitter gives You View box +4dB input and the other two sets should still be at more or less the same level.
You may, of course, need to get additional connecting cables etc.,.
NB. The splitter has one INput and two OUTputs. They
should be marked but sometimes people can get it wrong when using cables to join things up and that messes up one TV set completely while the other is perfectly fine! Be careful not to do that.
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a single aerial on the roof to a simple splitter, one output to the TV, one to the Youview. Yet the YV box doesn't get some of the channels, along with BBC News HD, that the TV picks up fine. I'm on the Belmont Tx
Belmont has yet to move COM 7/8 frequencies to outwith a group A aerial (still 33 & 35 from Belmont).
The obvious thing to do (after checking for damaged aerial cables and dodgy plugs and sockets) is to lose that splitter which reduces the signal in to the box and TV by 4 dB (i.e. less than half to each).
Instead, utilise the RF pass through outlet from the box to feed the TV. You will need to disable the (default) power save in standby feature on the box to do so. But that's likely to pull the wanted signal from out of the noise floor for reliable reception (for a time at least). It will consume a little more electricity as a result, of course.
Belmont has three muxes at 150kW erp, two at 100kW one at 50kW and then COM7 at 37 & 8 41 kW. In fact not a bad signal level variation (a tad over 6dB at most).