Is the mast too crowded or should it not make any difference? or is it a crap uhf aerial (its meant to be a high gain uhf aerial). both the uhf and the combination aerial (behind it) come together in a diplexer (junction box) so if anything i wld think it wld boost the uhf signal since theres uhf coming from the combo aerial as well.
I've had issues lately with pictures not appearing even though they've been uploaded properly too.....
From memory, that aerial is intended for areas where you might not get line of site to the transmitter and might be getting a bounced signal off other buildings etc.
Is the diplexer configured correctly, ie are the aerials going into the right inputs?
Do you have a need really for the VHF signal as well? -Personally I'd try running the UHF only to the TV just to test.
Also, the two aerials appear to be at 90 degrees to each other, so is the combo one aligned properly? Sorry, just a bit hard to tell from the photo is all.
How many TV's is this feeding, and are there any splitters etc downstream?
thanks. its feeding two tvs and im pretty sure ive connected up the diplexer correctly but yeh im thinking maybe ill remove the vhf aerial and see how that goes. i guess i cld just get one of those indoor vhf aerials if i need it (one of our tvs is not freeview enabled).
I'd ditch the multiband antenna (or relocate to a different position) and diplexer, and run the coax from the uhf direct to the TV. The multiband one seems to be pointing straight up which won't help but as previously mentioned its hard to tell from the photo. It may be a UHF over a VHF phased array? I don't think mixing that with the new UHF in a diplexer is a good idea as one antenna is already multi band. Judging from the size of the old antenna you appear to be in a good signal area in which case it looks like you have a coax wiring problem.
Ok so 2 TV's right. One with freeview, one without.
And you have two aerials, one multi band VHF/UHF and one UHF only.
Run two separate coax feeds. One full run with the new UHF only aerial straight to the freeview HD capable TV. One completely independent run to the older TV off the multiband aerial.
im not sure if this will help anyone but my reception strangely improved when i removed the aerial cable between the tv & the freeview box - so now i just have the hdmi cable connecting the tv with the freeview box. i cant see how it would affect the signal strength but worth a try if youre having problems ...
pogostickconz: my reception strangely improved when i removed the aerial cable between the tv & the freeview box - so now i just have the hdmi cable connecting the tv with the freeview box. i cant see how it would affect the signal strength ...
It could affect the signal that the Freeview box "sees" as when it's feeding the TV as well the signal is effectively split two ways - one for the Freeview tuner and one for the TV. Some, but certainly not all, boxes have an amplifier built-in to try to compensate for that.
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