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signal

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  1. A

    Relays and Contactors

    Hey, I don't quite understand Relays and Contactors previously ive worked for a company and if we ever needed a contactor they just said heres a contactor wire it (For example we used contactors for the air conditioning switching) I know how to wire them and that but i dont UNDERSTAND why they...
  2. N

    Looking at a complete taillight LED retrofit do - help

    So I"m looking to replace all my rear lights with arrays of LEDs. Now my question is this: when I turn on my parking light, some of my lights light up dim, but when I hit the turn signals or brake lights, they light up bright, how do I achieve this effect with LEDs? Well, from what I gather...
  3. A

    Signal problems In the hot weather

    Basically, everytime it gets hot or very sunny i lose freeview signal. Then when it cools down agiain in the evening the signal returns. Just wondering if anyone else has come across this problem and knows how to resolve it.
  4. michaelw6

    freeview in swindon and wiltshire

    hello all yocals! im after some of your info. 1) does any one know of any good websites dedicated to finding compas bearings for it. as we seem to be in the middle of mendip and oxford with no good signal. (looking for a site that will tell me height of recommended aerial and settings) 2) i...
  5. L

    Radio Regenerator for communication over long distance

    Hi, Looking for brief explanation about Radio regenerator and communication over long distance and maybe someone could write example where and how it is used. Thanks
  6. P

    phone problem's

    Hi,I have a blackberry curve,for the last couple of weeks it's been disconnecting during calls have all bars showing,seems fine calling land lines,no problems with emails or text. Any body out there had same problems,I'm on vodafone.
  7. C

    MY TV`s FREEVIEW CHANNELS HAVE WORSE PICTURE QUALITY AFTER SWITCHOVER !

    "Hello All", I have had Freeview on all of the TV`s in My Home since Freeview became available - all with a Great Picture. I live in London as We have just had the `Switchover` on 4th and 18th April - Since then the TV Pictures have been NOT Great and have been adversely affected by the...
  8. La Poste

    satellite and aerial signal strength meters

    Greetings. I have a few questions about satellite and freeview. I have a freesat dish and also an aerial on the roof on a property and I want to make sure they are working OK. I have connected up the freesat using a Goodmans free sat box that is not particularly reliable so I am ditching the...
  9. sythai

    Installing Co-Ax points and testing....

    Hi Chaps... Just want see if there is a bit of kit out there that I would be able to test co-ax points with once I've installed them. To check the signal is good and that the TV will work. Bit tricky carrying round a spare freeview tv in the back of the van thats all. Cheers Sy....
  10. D

    Lost signal!!!

    I recently had Sky+ installed (shotgun cable) and was working fine until I chased into the wall and terminated dual connection socket. I don't think it's kinked anywhere, the connection in the sockets looks ok too. What's my best way forward?? Having read the advice on here I'd been better to...
  11. M

    Wanted: 868MHz Wireless Signal Strength Meter

    Hi all, I don't suppose anyone has one of these they no longer use / require. At present, I can't quite afford the prices of new ones. Ebay doesn't have anything and so I thought I'd ask my favourite electricians... Please PM me with details if you do. Many thanks, Simon
  12. trypod

    Smart meters with alarm signal

    The new smart meters are being designed to give a "last gasp" alarm signal if the supply to the meter is cut. This will immediately alert the authorities to any unauthorised removal of a cut out fuse:innocent:
  13. N

    3g gsm signal tester

    I have a brand new mobile phone network signal tester. These retail for just under £300. 3G Signal Analyser - The D2376 is a Handheld GSM and 3G Signal Analyser that displays the available GSM and 3G networks in a particular location
  14. C

    SMA 4000TL inverter causing radio signal interferance to Economy 18 metered supply!!

    We have recently installed a system on a customers house that’s using a Sunny boy 4000TL and its causing the Economy 18 meter to disconnect the supply at random for a few minutes each day. We know it’s the inverter that’s causing the interference because it only does it when the inverters...
  15. i=p/u

    burglar alarm!!!!

    hi all looking into installing a burglar alarm for my sister, im 2nd year apprentice , do you think id be able to install 1, and what brands would you reccomend and any good sites to purchase.. do they come with wiring diagrams.... they try break in last night..... just know the go to fused spur...
  16. M

    Distance Calculation to find fault

    Does anyone know or where to find the calculation you do to find a fault/break in a circuit that can't be physically traced.I'm sure i've seen it somewhere in one of my books but can't remember. Cheers
  17. W

    Signal Strength Tester

    Can anyone recommend a fairly decent digital/analogue signal strength tester? Im not looking for anything expensive, sort of the £15 or less mark :D
  18. L

    any ariel engineers out there i need help

    Ive having problems recieving the freeview channals, ive have a pace ariel, but was fitted 5 years ago , is it the ariel or the a booster box i need Thanks LEE
  19. E

    TV Signal Meters (Dragon-AV perhaps)

    Hi does anyone on here install TV aerials??? I get asked now on nearly every new build or rewire and always seem to be let down by aerial installers (4 out of 5 times). I did my working at height qualification and have bought the nescessary harness, ropes etc and am now looking for a reasonably...
  20. T

    long distance transfer of analogue signal

    I have to pick up an analogue current 0-20mA from a transducer that converts steam pressure to current, and transfer it over 200 metres to a boiler house, and then convert it back to either 0-10v or 0-20mA or even 4-20mA (trying to find out exactly what they want). Whats the best way to do it.

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