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I intend to install two tv aerials (to improve signal strength) Do I connect them in series or parallel chasf@eclipse.co.uk

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Neither. If you want to increase the strength of the signal the antennas must be stacked and synchronized by an impedance adapter. Read this
http://www.grantronics.com.au/docs/StkYagis.pdf

Posted on Jan 30, 2010

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Television weak signal how do I fix it?


There are a number of things you can do to improve the quality of the signal getting to your television.

Firstly review your aerial to make sure it is high enough and pointing in roughly the same direction as all the aerials for your neighbours or other buildings around.

If you are using an indoor aerial or portable you will need to move it round the vicinity until you get the best signal. This is mostly trial and error.

Once the aerial is in a good position you need to connect it to your television. The shorter the cable, the less signal loss, and the better the signal reaching your television. You can also use a better quality cable - think thicker with higher shielding - and this will also improve the strength of signal reaching your television.

If your problem is something different leave another message and I'll see what other help I can give.

Dec 21, 2014 | Televison & Video

1 Answer

I have an Alba 16 inch flatscreen tv with built in digital tv. When i try to do initial setup or auto install it says check antenna connection even although ariel is in. Can you help


Do you have an indoor or outdoor aerial?
Indoor aerials will not have the strength to pick up television broadcast signal.
Double check your connections, as you could have a loose wire or connection somewhere.
You might need to speak to someone who, can take a look at your aerial to see if it is configured correctly.
Also to make sure it isn't a problem with the aerial, do you have another TV that you can try using on the aerial. to see if you can get signal?

Jul 19, 2011 | Televison & Video

1 Answer

I have setup a goodmans freeview box model No GDB12X1T to a tv with a scart connection as the setup leaflet shows.The box pulled in a lot of extra channels,but the signal strength on the first time...


hi make sure the scart lead is a tight a fitting also make sure the aerial lead is not to long as you will loose signal strength , thanks


shaun

Jun 15, 2017 | Televison & Video

1 Answer

A box in the lower righthand screen reads "no signal" what to do


You need to check the aerials alignment to the transmitter.
http://www.dtg.org.uk/consumer/coverage.html
visit this site for all the information for your area.
You will have to google DTV checker in your country if not UK.
Also if the aerial is connected to other equipment before the affected unit it will loose signal strength, so use an aerial booster/splitter-e-bay £10-£50 or so.

Jul 24, 2010 | Directv HDTV Receiver

1 Answer

Most of the channels breaking up despite auto retuning


could be one of a few things,
low signal strength, aerial out of line with transmitter.
bad coax connections losing signal strength.
coax broken inside, or old and not low loss.
Get the aerial checked for direction, half a degree out of line over a few miles and you will lose a lot of signal strength, as will old coax (aerial cable) and if you are using an unshielded coax you could be losing signal strength through the cable itself. Replace the connecters and try to use a straight run of cable instead of having joins in it as these joins, even if using connecters, will cause a weak signal. If yiu are running more than one tv off your aerial, invest in a booster.

Feb 06, 2010 | LG 32LG30 32 in. LCD HDTV

2 Answers

Hi retuned my humax pvr9300t and it has retuned but bbc1 and 2 have come up as wales when should of retuned to winter hill as i'm in the granada area my postcode is pr253ss please advise what to do


sounds like you are now picking up 2 transmitters, 1 Winter Hill, 1 welsh- Moel y parc. Due to the increased strength of the new Moel y parc signal
see http://www.digitaluk.co.uk/postcodechecker/main/trade/pr25+3ss/1/0

You can see its the channel 46 in orange thats your problem
Do the same retune but unplug the aerial until it gets past 46 so that it only finds the channels 56 and above that are from Winter Hill.
Bad news is that for you it gets worse when the extra channels come on next month. Looking at the aerial and maybe playing with attenuators might filter out the Welsh one

Nov 06, 2009 | Humax DRT800 TiVo Video Recorder

2 Answers

HAVE GOT A SWISSTEC 15 INCH TV BUILT IN FREEVIEW, BUT CA NOT GET ITV 1 OR CHANNEL 4 ON IT. HAVE TRIED RETUNNING BUT NO GOOD


The model number would usually be on the back of the TV but in this case it's immaterial as Swisstec appear to have had a very brief existence. Their website no longer works (skymediamanufacturing.com, no connection to Sky satellite tv) and the few products which have their brand name on all seem to be at outlets like ALDI and Makro which often specialise in clearance lines and bankrupt stock.

First, check that your missing channels haven't been shifted to 801, 802 etc. This is happening with some equipment and it's just how some slightly incompatible equipment handles the retune.

What you have said about your aerial system does not eliminate the possibility of an aerial fault; as you're running multiple items off one aerial I'd fully expect it to be a high gain aerial, but this does not necessarily mean that it's a wide band aerial. In addition, each time the signal from a single aerial is split there is typically up to a 10dB loss (around 60% each time). Regular analogue reception equipment can cope with this far better than Freeview receivers as the analogue signals are vastly more powerful than the digital ones. One of the most important UK transmitters puts out a 100kW (i.e. 100 000W) analogue signal along with an 800W Freeview one making the analogue signal 125x stronger at the transmitter and far weaker further away.

Realistically, you have limited options. Most Freeview receivers have an onscreen menu in the digital tuner which has a signal strength and quality meter for each channel. If most of the channels have a middling signal with good quality then your reception is most likely ok so look at the aerial cable at the back of the set to see how long the plug into the back of the tv is. If it's longer than about 2cm then it probably has an in-line suppressor fitted onto the end of the plug. Usually there's a marking of either 6dB or 10dB on the suppressor. Remove any suppressor and try retuning.

If that didn't work then check as much of your aerial system as possible paying special attention to the plugs and splitters. No plug should be showing any bare wire, and the external screening braids must not be touching the internal signal wire. You'll probably have to undo each plug to check for this and remake any shoddy work. If you have aerial splitters which are the push together variety then check the connections are tight. Also consider replacing them with the screw threaded F-terminal splitters which all professional installers use. These cost very little more than the useless things sold in most DIY stores and general retail outlets but hugely reduce signal losses. I've posted an online address of a supplier at the end of my post, but you can also get them from your local Maplin store usually at extra cost.

If you have an amplified aerial then try disconnecting the amplifier. These are often inappropriately fitted and cause digital signal meters to show the confusing message of a strong signal with poor quality. A good quality weak signal can be successfully amplified but a poor quality signal requires a better aerial installation.

If you have eliminated all doubt regarding your aerial then the fault is most likely with the receiver itself. The official advice is to try retuning but you've almost certainly done that. There is a list of equipment known to have problems with the retune (see second web address) but it's not comprehensive and misses out minor brands like Swisstec. Clearly you cannot contact Swisstec and they are in no position to rectify the problem themselves any more. Under these circumstances your only remaining option is to buy a new external receiver from around £20 and connect it to your tv as if it never had an internal receiver.

Note that the UK Sale of Goods Act was recently amended to allow purchasers up to six years protection against goods which are not of "satisfactory quality" (replacing the earlier term "merchantable quality"). You've had your tv for eighteen months and the tv itself still works, but as a super-budget unknown brand it's doubtful that you could press your rights regarding the failed Freeview receiver.

Sorry this is not the easy fix you were hoping for but I hope that it's been of some assistance.

1st web address. Supplies and excellent general aerial advice.
http://www.aerialsandtv.com/ampsandsplitters.html

2nd address. List of known incompatible equipment. Not really of use to you but at least shows you're not alone...
http://news.bbc.co.uk/1/shared/bsp/hi/pdfs/01_10_09_freeview2.pdf

Oct 09, 2009 | Televison & Video

1 Answer

Hi there... When it is raining around our house in Elwood, we get signal outages on our LCD screen. I've checked the connections to the wall and everything is OK. But in the last two weeks we have had...


if you are using a satellite dish,then yes the rain is the problem,especially noticeable with heavy downpours,common problem here in the uk.if you are using a standard tv aerial,its quite possible water is gaining entry to the connections on your aerial.picture breakup is usually associated with poor signal reception.you could try replacing the aerial with a high gain type,cheap as chips to buy,and should create a vast improvement.its not the tv...hope this helps and let me know how it goes.....steve

Dec 12, 2008 | Televison & Video

1 Answer

Tv-- signal strength normal but signal on all channels "blipping" down intermittently causing freezing of picture. Have replaced aerial with high gain antennae together with aerial cable and...


When ever the picture freezes intermittendly the problem is usually poor connection on the signal line (antenna or connection on tv) or poor reception. Could be the tuner if the tv has one.To eliminate the tuner possibility try anther tv set if possible.
If you still cannot figure out the problem,let me know what kind of set up you have connected to your tv set.
Do you have a satellite or cable box and if you have splitters.

Jul 11, 2008 | LG Televison & Video

2 Answers

Freeview box (Duraband)


Hi Sandra , it could be poor signal ,worth trying another box on your aerial , also the aerial lead could cause this even the one from the wall plate to the Freeview box ,if your analogue picture is snowy then I would suspect the aerial have you looked for a signal strength meter in the menu , might show how good the signal is
hope this helps
cheers John

Dec 18, 2007 | Televison & Video

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