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My noise is back. Bye bye HF for me :(
Topic Started: Monday, 4. July 2011, 21:01 (2,294 Views)
ChrisC
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26 Charlie Tango 437

Joy oh joy.

Sunday I turn the radio on in the afternoon to be greeted to S20 of noise. Oh dear.
Thought I'd leave it for another day but turned the rig on in the night and all was good.

Today I turn the radio on when I get in from work and boom. Noise across most bands :(

Get in the car and drive around the block slowly getting closer to the house and same as before the noise gets louder just outside my house.

I got the rig out indoors and wandered around the house with it to find it was strongest on my new neighbors side.

I had PLT from the original owner before and that got sorted, now I've got it but worse.

http://www.youtube.com/watch?v=6wGnvKcGMxU

I will speak to them tomorrow but I have doubts they'll be friendly. If they're not then I don't think I'll play ball and their satelite dish on the side of their house pointing at mine(ish) might suddenly become very useless ;)
Edited by ChrisC, Monday, 4. July 2011, 21:02.
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Firetrap
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26CT100

Try reporting the interference. If you complain then they are obliged to look into it.

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Mark in Essex
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26 Charlie Tango 037

OFCOM is your friend on this one Chris....ring them ;)
[][img][/img][/url]

https://www.youtube.com/user/26TANGOMIKE037/videos



Nembutol numbs it all
But I prefer alcohol
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ChrisC
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26 Charlie Tango 437

I placed the complaint with ofcom yesterday and I'll be popping round to their house tonight or tomorrow to have a few words and ask them what it might be.
If they don't do anything I'll wait for ofcom.
If ofcom don't do anything I'll be getting a 23cms transmitter and wiping out their satelite reception as they have it pointed directly at my house and it should be quite easy. I will have to ask a few favours but there must be a few locals to me who use 23cms who might loan out some kit for a few days/weeks.
Edited by ChrisC, Tuesday, 5. July 2011, 19:52.
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Listener
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I know they are not easy to get hold of now. But I can highly recommend a T1154. These were AM & designed for use in Lancasters where RFI over Germany was not in general considered to be a problem.
Following a GPO visit to an area I was also visiting back in the 70's. I felt a need to use a different radio. Mainly because my old radio was no longer where I had left it. So I brought a couple of cheap MOD radios, one of which was a T1154 & did some tests into a dummy load.
The coils on the 1154 were moving & resonating against each other so much that it almost sounded musical :cheers: :cheers: :muppetanim:
Further tests whilst next door had loud late night parties showed that few electrical items within 200 yards were immune to the charms of the 1154's RF & any TV regardless of whether it was connected to a video or ariel was unusable within about 1000 yards & as for CB, PMR & amateur equipment. An T1154 can shut half a town down.
The biggest advance in radio technology EVER, was the invention of the credit card.
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Firetrap
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26CT100

Just to point out that CT does not condone the use of any type of radio equipment or transmitter to cause interference to others.

Proceedures are in place by ofcom and we recommend following them to solve any problems. Otherwise you face having your licence or equipment taken from you if a complaint is raised against you.

Not forgetting the heavy fine! And even your disposable income would struggle to pay off.

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ChrisC
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26 Charlie Tango 437

understood that ct does not condone any bad behaviour. Nor do I.
I think what I meant was that I'd quite like to experiment on the 23cm band :)

Oh and I don't have a lot of disposable income!
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Listener
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The thing with modern digital technology is that not only does it create masses of RFI problems to others. But when it is the victim it's self, unlike analogue where the offending RFI is often audible. Digital TV & radio just shuts down. There is nothing to indicate to those, without the expensive test kit needed to indicate what the problem is.
A TV engineer friend, who I did my RAE with & I were chatting about this a few days ago.
Few TV antenna installation people have much of an idea of what they are talking about, fewer still have the thousand pound plus analysers needed to do the job properly in this digital age & as a TV engineer can no longer look at the picture & diagnose the many problems that showed themselves via picture quality on analogue. TV, owners are all too often now being told to replace or upgrade when neither are the correct response & where neither will solve the issue.
The digital age has created a real problem for it's self when it comes to RFI. And it's a cowboy's charter to print money.
The biggest advance in radio technology EVER, was the invention of the credit card.
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VoG
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ChrisC
Tuesday, 5. July 2011, 08:08
getting a 23cms transmitter and wiping out their satelite reception as they have it pointed directly at my house
While we are all sympathetic to your noise problem, that sort of response really isn't displaying the Spirit of Radio Enthusiasts and the Positive Side of the Hobby that we want to promote is it? Especially as you apparently have not yet even tried to see if the neighbours will be co-operative or helpful.

Some people have a very low opinion of anyone that is involved in TX radio, and a lot of us do what we can to counter that opinion and promote CB and Amateur Radio as a Socially Acceptable hobby. Some of the anti-brigade could quote simply be as a result of having an experience similar to that which you're plotting on your neighbours, or even having heard of it happening to friends or family. I know that, as Ron has pointed out, it is difficult to accurately trace RF interference into digital media but I rather think there might be a conversation along the lines of, "all these problems with the TV satellite started right after that fuss with the bloke next door about his blasted radios".

It only takes one person to cause havoc and get the hobby a reputation, but it takes dozens and dozens of people to redress the balance. One person with a loud "eff the neighbours" attitude (as one operator was fond of saying, "you can't work West Coast DX on a neighbour") can do an awful lot of damage to the hobby's reputation

I really hope you reach an amicable solution with your neighbours, but even if you don't, then why not consider using something like a MFJ 1026. I know you can claim to be the aggrieved party and exercise your God-given-Right-to-a-Clean-Spectrum to pursue your Hobby, but as soon as you take retaliatory steps, you're the one in the wrong.
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Black Knight
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Well said Steve, you beat me! Indeed!
26CT003 / 26TM003

CQ CQ This is 26CT003 - Somerset, Calling.........
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ChrisC
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26 Charlie Tango 437

Well all looked good when I got in from work as there was no noise.
I popped over to the suspected culprit to have a chat and sure enough they were friendly. My thoughts of fighting it with different means was just a measure I was preparing to take. I looked around their living room and kitchen area and couldn't see anything obvious but as the noise wasn't there it might be something they didn't have plugged in.

As for the noise canceller I'd have to buy a couple as it'll only work on one antenna feed and that again puts me out.

Ofcom have been called and they are arranging a visit shortly.

I'm now stumped as it certainly sounds like PLT noise as per this video but they don't have any home plugs that I could see!

It could be another neighbor altogether but the signal to me definitely sounded like it was coming from their place.

Its quite funny that I've posted this same thread on two forums, one frowns on CBers and the other actively encourages CBers. The responses are quite opposite from each.

http://www.youtube.com/watch?v=tVEdjT6lqck
Edited by ChrisC, Tuesday, 5. July 2011, 19:04.
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Sgt Bilko
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108 Charlie Tango 302

Chris, this may sound a bit stupid and late but have you turned your own tv/freeview off. I had the same problem,until my neighbours went away for a weekend and i was getting S1 everywhere ( heaven ).When they came home i explained the problem and they were quite helpful and switched off what i thought would be the cause, tv's, satellites ,freeviews,internet and strip lighting,but nothing.Then one day i switched on the freeveiw in my bedroom and the radio went haywire.I used to keep the freeview box on 24/7,but it goes off now if the radio is on.
Just a thought Chris. Cheers.

Paul 108ct302



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Scientist have confirmed alcohol IS a solution
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ChrisC
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26 Charlie Tango 437

I've run the radio from a battery and switched off the mains so i know its not me ;)
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ChrisC
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26 Charlie Tango 437

Update.... They've got 4 laptops in the house. I saw three of them the other day and the other one I didnt know about. I was sat there in their living room switching off all their plugs and lights and everything and the noise was still there.

I stood up and whooomp the signal shot up. I asked if they had something plugged in in the bedroom upstairs and the guy said "yeah, my laptop".

Disconnected laptop and the noise went away.

Only draw back is he doesn't have any other chargers. I've told him I'll find him one and sort it out. The money I waste on beer etc is a proper waste, buying a new charger for him makes a lot of sense!

I might have a spare charger that he can have. I might have to bodge the wiring on it or mine might fit straight away.

RESULT.

The noise is still there at 20+ right now but it was lovely and quiet during the day when he was out!

Fingers crossed tomorrow I can pop round there and my charger will fit. I'm most annoyed as I can't find another one of my spare chargers as I know that'd fit 101% :(
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Wayne1965
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Hi Chris glad you have it sorted and found the fault, out of interest what was you using to find where the noise was coming from please?
I get a S5 of noise at some points day and night some of it was from my sky system in the lounge but would be interesting to find the other culprit which is not in my gaff :headbang:


73 Wayne :cb:
2E0WNM
EmailEQSL ProfileIcom IC7000 & Yaesu FT817NDWouxun KG-UVD1P5 band Cobweb, various Dipoles, Colinear LDG AT-11MP, LDG AT100 Autotuners
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The Bouncer
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26 Charlie Tango 510

Nice one happy ending :clap:
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Listener
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What we need is for someone to go back to basics. When I started on RTTY etc using a Sinclair. It was normal practice to put the pc in a biscuit tin because they were so noisy. What we need is for someone to create a cool box, so that when used with ferrites on the cables it isolates the noise whilst still allowing people to keep their own power supplies etc without them over heating.
I found a ZX81 & something called a Scarab, still in it's modified tin, whilst tidying my mothers loft out earlier in the year. It had been used together with a full size TV to both decode RTTY when connected to a radio & to send messages from tower block to tower block using just the Sinclairs RF. These things use to produce enough signal to make it worth connecting a TV ariel & using them over about half a mile.

my spelling edited.
Edited by Listener, Thursday, 7. July 2011, 06:44.
The biggest advance in radio technology EVER, was the invention of the credit card.
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ChrisC
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26 Charlie Tango 437

Well I got out the cillit bang and BANG the noise is gone!

Down to a S4/5/6 of noise rather than 20+

Woop.

http://www.youtube.com/watch?v=bdKQl-AXq-c

Edited by ChrisC, Friday, 8. July 2011, 19:23.
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Sam WD40
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26 Charlie Tango 747

uum the curse of the switchmode power surply the kid HP lappy psu dose the same to me so soon sorted that out with trial n error !
[marq=Left]STOP READING MY CRAP GO GET SOME DX DONE ![/marq]

M0SRW
26-CT-747
IF YA NEIGHBOURS STILL TALK TO YOU GET A BIGGER ANTENNA !

Failure is not an option! BUT smashing it with a BIG hammer is :bash:

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ChrisC
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26 Charlie Tango 437

my happy ending might have been a little premature (ooh err) as I think but can't confirm that the power supply I gave the neighbour is giving me noise on 27mhz. I'm not sure but all of the other bands have quietened down massively but the 12-10m area is quite noisy. I think I'll let ofcom come out anyway and earn their keep.
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