Author Topic: Does the Brookmans Park Transmitting Station present a health risk?  (Read 34667 times)

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Offline GWGCGWGC

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I'm sure i'm not the only person in Brookmans Park to suffer this.I recently spent £1000 on a new computer and unfortunately when plugging in my 5.1 amplifier I'm hearing , very loudly sunrise radio through my speakers.Someone has informed me it could be †through the input leads.I've contacted the computer supplier who were most unhelpful.Has anyone else had this problem and could anyone point me in the right direction.Thanks
« Last Edit: February 19, 2004, 07:18:54 pm by GWGCGWGC »
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #1 on: February 19, 2004, 07:57:16 pm »
 >:(I HAVE THIS PPROBLEM TOO!!!!!!  also through my dolby digital processor - but the radio only comes through the processed channels for me - the centre and rear speakers, not through the main ones powered by my stereo.

I don't want to upset you, but I have tried almost EVERYTHING to get rid of it with no sucess yet, but I am still trying.

Next on the list is screened speaker cable and ferrite rings.  

MOving the equipment didn't help me (but did cost me lots of money to buy new cables).

Apparently there is a Radio Interference form you can get from the post office to complain about this sort of thing (don't try the village post office - they don't have any) but I haven't been able to get one yet.

This interference is driving me close to madness and I am not far from throwing the whole lot out the window or firebombing the radio station.  Can I second the motion that if anyone knows how to cure this I will pay handsomely!!!!!!!!!!!!!!!!!!!!

>:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:(
 

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #2 on: February 19, 2004, 10:43:49 pm »
Could it be something to do with the Brookmans Park Transmitting Station. There were a few posts regarding this in the site's old forum. Click here. Not sure they are relevant, but the problem was being discussed there four years ago.

:-/
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Offline Alfred the Great

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #3 on: February 19, 2004, 11:10:50 pm »
It must surely be the BP transmitting station, I suppose the first thing you have to do is find out if they transmit that programme from there.

We used to get big trouble from radio waves over the telephone line until a kindly BT engineer gave me a couple of filter sockets. Once we got radio from a delicately balanced saucepan lid in the kitchen! Spooky!

On the same subject, we have great trouble in our household in getting CD players to work without interference, unless they are serious metal encased jobs (like the ones sold in Hi fi shops). Sometimes it helps if the thing is tilted or if the radio aerial is earthed to a window frame. Any ideas folks?

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Offline Alfred the Great

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #4 on: February 19, 2004, 11:13:37 pm »
And I forgot to mention that when Queenswood School got their new organ a few years back, the switching circuitry kept going on the blink due to massive gamma rays (or something like that) coming from the transmitting station. The organ builder eventually lined the inside of the console with lead to overcome the problem.

So there's your solution Aidan, get across to Bryans, buy up a few dozen rolls of lead, and get sticking!

ATG
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Offline Johnny Redd

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #5 on: February 20, 2004, 12:14:02 am »
If it helps this is a list of stations that transmit from the Brookmans Park site as of 1998.

Radio Five Live (909khz)
Virgin Radio (1215khz)
Talk Radio (1089 khz)
and
SUNRISE RADIO (1458khz)

All use AM on medium wave.
 

Offline trinity

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #6 on: February 20, 2004, 12:21:24 am »
You can get ferrite RF chokes from places like Maplin (I think there is one in Fleet Street, London). Or you could try the RSGB in Potters Bar, because they have pamphlets that are aimed at radio amateurs who sometimes end up with this sort of problem, too.
 

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #7 on: February 20, 2004, 11:46:47 am »
Lets be clear about this: the source of the interference is the transmissions emanating from the BP Transmitter Station. That makes it RADIO waves not gamma waves (the entire population of BP would be dead if they were).  :'(This is not a new problem by any means: neither are the solutions. The trick is to avoid long cable lengths as they can act as an arial to pick up the signal. Also avoid circular coiling of cables as this can amplify any demodulated radio signals: use figure of 8 coils. BT and other comms companies are used to dealing with this problem. The trick is to use an RF filter to knock out the transmission. I have one fitted to the terrestrial TV arial otherwise I would be watching 'snow' on the box. BT have a filter fitted on the telephone line to cut out Virgin radio. The TV shop in the village would be a good place to start. Shielding cables or equipment can be done but there are problems. The shielding on a cable is normally metal to block the RF signal but it too then becomes an arial. I use tinfoil covered cardboard between my video and DVD player to prevent interference. I would also watch the quality of any connections at the ends of cables: bad soldering can also demodulate a signal.
On another tack you could also write to the owners of the site, Crown Castle Transmission (the BBC sold the site in about 1998). They are causing the problem and the staff at the site have plenty of expereince in dealing with it. A friendly approach seeking their help may well get you some assistance in dealing with the problem. Hope this helps. ;)
 

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #8 on: February 20, 2004, 11:50:04 am »
Oh and I forgot to say that there is a clause in the deeds of most houses in BP that states you must not interfere with the operation of the transmitter site in any way - so as ide from the criminal aspect, forget firebombing!
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #9 on: February 20, 2004, 11:56:38 am »
Thanks for all the replies - obviously when I stripped the 30 year old paint off my lounge walls when I moved in, all that lead shielding that I lost is causing me troubles now...

I have been looking on Maplin and they do ferrite cores, so this should sort the problem out.

I will let everyone know my success rate (or otherwise)

Aidan
 

Offline GWGCGWGC

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #10 on: February 20, 2004, 12:17:16 pm »
thanks for all your assistance i shall also give it a go
 

Offline shads

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #11 on: February 20, 2004, 03:18:39 pm »
i also had this problem when i connected my broadband up,i eventually called an engineer out from BT who upgraded my filters on my phone sockets and everything was fine afterwards.Took the engineer a bout 2 mins for the job,but then i had a 20 min history lesson ftom him about interference and then about his wife and kids and their holidays.............
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #12 on: March 25, 2004, 03:21:16 pm »
Ho Hum - I've bought the Ferrite cores and they are  in residence on both ends of all speaker cables - with no change in the radio interference at all.

>:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:( >:(

Am now going to be trying to move them around on different cables.  I'll let you know progress...

Aidan
 

Offline GWGCGWGC

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #13 on: March 25, 2004, 03:40:28 pm »
I STILL HAVEN'T BEEN ABLE TO SORT IT EITHER...HELP !!!!!!!!!!!
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #14 on: March 25, 2004, 03:43:43 pm »
I have just written to Crown Castle International asking their advice, so will let you know what sort of reply I get.

Aidan
 

Offline Neville Hobbs

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #15 on: March 25, 2004, 07:09:35 pm »
Aiden,
I am pleased to see that you are not blaming the estate agent who sold you your property!
 

Offline trinity

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #16 on: March 25, 2004, 10:27:37 pm »
Quote
I am pleased to see that you are not blaming the estate agent who sold you your property!


:-) One is inclined to wonder if said agent mentioned it though, or would have done had he known... ;^)

Aidan, have you tried either shielded or balanced cable ?

Or, indeed, putting a low pass filter on the cable -  putting "low pass filter" into Google will return a fair number of hits (10+ pages) from which you can select your level of understanding and what you want to filter. They'll come with circuit diagrams so that you can build your own if you want - or at least so that you can go to a decent electronics shoppe and let them know what you're after.
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #17 on: March 26, 2004, 11:00:46 am »
I imagine on the estate agents sales doc for the flat it would have been written as "Excellent quality radio recepition in all rooms of the house"   ;D

Shielded cables are the next on the list, but I may take your advice and try the low pass filter first, sicne I'm sure this is going to be much cheeper...

Thanks,
Aidan
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #18 on: April 29, 2004, 02:09:48 am »
Praise the lord of all things Dolby - I'M CURED!!!

Crown Castle have made my month.  I wrote to their website and stated the problem, expecting to get a general 'Dear Person' reply.  But no, they mailed me back quickly, booked for two engineers from the transmitting station on the GNR to come round (they arrived to the minute today) and help with it.

They tried a few things out and had it sorted within 30 minutes.  "We've never been beaten yet" was what one of them said, and they weren't.

The problem, as it turned out, was an earthing one.  There was some [laymans terms] 'weird thing going on' between my DD processor and my main stereo amp.  By earthing the cases together whe problem imediately disappeared.  Bl**dy marvelous.

So for anyone else who suffers this problem, I strongly recommend getting in touch with them.

Also, out of interest, they told me, when looking at my ferrite rings with 4 to 5 turns of cable on them, that you need at least 30 turns to cancel out MW.  Shortwave interference (ham radio, taxi firms, etc) can apparently be sorted out with a lot less, but not MW.

Hope this is of help and interest to the long suffering folk of Brookmans Park...

Aidan
 

Offline GWGCGWGC

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #19 on: April 29, 2004, 02:02:26 pm »
Aidan , you haven't by any chance got a contact name and telephone number please,
 

Offline Aidan Winwood

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #20 on: April 30, 2004, 02:52:42 am »
Hi GWGCGWGC,

I have the mail from the lady on my work computer and unfortunately I am on holiday.  The best thing to do is to send me a personal mail (which will prompt me on my computer when i get back to work that a mail has been sent) and I'll happily send you the details then.  If you want to save time the the Crown Castle website has a "contact us" section.

But it's nice to sort these things out - I now don't have to listen to Bangrar when watching quiet bits in films.

Aidan
 

Offline CarolineB

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #21 on: January 03, 2005, 12:21:46 pm »
Just another comment on a topic that was discussed quite a while ago - Radio Sunrise interference. All our telephones played it louder than any speaker, until all phone sockets had filters applied by BT. There is a new type of filter available that is more effective than the old ones, but BT does not fit this routinely.
Using voice-editing programs on the computer was a problem, since the microphone picked up the radio station rather our voices in front of it. This was solved by getting a specialised type of microphone, details long forgotten.
These problems are a pain but usually can be solved. Getting the address of Crown Castle is going to be helpful.

Caroline
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Offline Bob Horrocks

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #22 on: April 05, 2006, 12:07:49 pm »
When I listen to Classic FM on the mains radio there is interference from time to time, which is most annoying.† When I listen on the Sky digital TV Radio channel for Classic FM there is no interference.†

I have now bought a mains DAB Digital radio and, to see what happens, I have listened to both the FM radio and DAB radio at the same time.† When there is interference on the FM radio the DAB signal disappears so no sound comes out of the DAB radio until the interference ceases on FM.

Does anyone know what is happening?† I have bought a DAB radio thinking it would overcome the problem but it hasnít.
« Last Edit: April 05, 2006, 12:09:08 pm by Bob Horrocks »
 

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #23 on: April 05, 2006, 12:42:22 pm »

Does anyone know what is happening?† I have bought a DAB radio thinking it would overcome the problem but it hasnít.


Hi Bob,

I have two DAB radios and both work fine. There is no loss of sound and I get an excellent signal. I live at the bottom end of Moffats Lane.

(I've merged this with an existing thread about reception issues)

David
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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #24 on: April 05, 2006, 01:42:47 pm »
Hmmmm. Sounds like interference from the BP transmitter is being transmitted through the mains supply.  Again, a mains RF filter will more than likely stop this problem. I suspect that the Sky box has such a filter in it (they are snensitive to spikes in mains supply and supply drop outs). As per the earlier postings, a call / email to Crown Castle over at the transmitter station should get them on the case. I am not sure that a shop bought mains RF filter will do the job, but it could be worth a try for a few quid. Try Maplins or RS Components via the web. Or go straight to the horses mouth - so to speak! ;)
 

Offline sasquartch

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #25 on: May 31, 2006, 10:30:32 am »
I recently bought a pair of BT cordless phones and suffered from strong radio interference.

I bought a couple of ferrite rings from Maplin as previously suggested but these had no significant effect.

I contacted the operators of the transmitter station who are now National Grid Wireless (Crown Castle are no longer the operator). They helpfully explained that the type of ferrite ring is important and the AM transmissions from BP are around the 1MHz frequency. The type of ferrite beads from Maplin have the wrong characteristics for these frequencies (they would be suited to higher frequencies such as CB radio).

I was supplied the correct ferrite ring which I had to tightly thread the power cable through 14-15 loops and am completely cured. They also provided an additional filter for the BT socket which although probably not necessary I used anyway.

If anyone else is having problems I suggest you contact the station - you can just call in to reception from the A1000 - National Grid Wireless couldn't have been more helpful.

 

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #26 on: August 05, 2007, 01:24:21 pm »
thanks sasquartch

im going email them, hopefully can resolve some issues

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Offline Bob Horrocks

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #27 on: August 06, 2007, 10:16:57 am »
Just an update on my previously reported problem, it turned out to be an old central heating boiler control panel at a neighbours house.  They replaced the boiler and there have been no problems since with my DAB radio.  The man from some organisation who came round to find the sourse of the problem said old boilers were a common source of interference.

Offline ADM

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #28 on: August 06, 2007, 11:18:59 am »
My old boiler is always interfering with my radio listening.  When she picks me up from the pub she makes me listen to West End musical CDs in the car!  She even sings along - it's a nightmare.
 

Offline stevea

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Re: Does the Brookmans Park Transmitting Station present a health risk?
« Reply #29 on: August 07, 2007, 06:52:23 am »
Think yourself lucky...........at least yours is confined to the car!!
 

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