Brookmans Park Newsletter
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Transmitter


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Radio intereference: Having recently purchased a new video recorder, we have been hearing Indian music through our television, this is obviously coming from the Brookmans Park transmitter. Does anyone else have this problem and does anybody know how to solve this or who to contact? Thanks Gary Clifford.
GARY CLIFFORD
brookmans park, herts, u.k - 22:00:22 Sunday 24 June 2001


Former BBC Transmitter site nuisance: I have recently come across the previous comments on the website regarding radio interference and low frequency noise from the various installations which now occupy the old BBC transmitter site. We are told by the operators that these transmissions are within safety limits and are not a hazard, but is it not possible to carry out some local research to provide some definitive reassurance?
For example:
-Are the sleep patterns of the local population affected?
-What is the comparison of incidence of cancers in animals and humans with the national average?
-Has anyone checked whether effect on vehicle electronics is a factor in local road accidents?
For some time it has been Council policy to support the development of the transmitter site by all sorts of broadcasting and telecommunications companies. I understand it is now one of the most powerful transmitters in Europe. We have all seen recently what threatened litigation on safety of mobile handsets has done to the share price of Vodaphone. We all like the benefits these technologies can bring, but surely we in Brookmans Park need more than bland reassurance that the effects are just a trivial nuisance.
R Jowett <
No town/city, No county/state, No country - 18:54:01 Monday 01 January 2001

Editor's Note: This reply to the concerns expressed above was sent to the site by Bob Horrocks of the North Mymms Green Belt Society.

First of all I am a layman so all I can do is apply what is loosely call common sense. Secondly, it is important to avoid confusion between three types of transmissions.

1: The mobile phones, from the aspects of the thing next to your ear which could be the means of radiation entering into your brain, and the antennas which are transmitting signals in all directions. There are no mobile phone antennas or dishes at the BBC site.

2: The BBC radio station transmissions which go out in all directions, and have done so since the late 1920's causing radio programmes to be picked up on domestic wiring, car radios when close to the site etc.

3: Signals to and from the satellite dishes at Brookmans Park. Signals from the satellites to the dishes should cause any problem to local people, animals, or electronics unless the satellite is sending the signal on a fairly narrow beam towards where the dishes are located.

It might be argued that an area, or unknown diameter around the dish, is in the path of the signal and might be affected by it. I do not know why some dishes have a bigger diameter than others except that the bigger dishes may be needed because the satellite is further away, or is sending a weaker signal.

Signals from the dishes are sent on narrow beams to the satellite, in order to conserve power lost if the signal went everywhere. If a house or tree got in the way it would most likely distort the signal.

So, even though the dishes are at a very shallow angle and appear close to houses in Kentish Lane, my logic says that the signal should not actually be hitting the houses. I do not think the dishes ever point towards any other houses except some in Kentish Lane, but correct me if wrong.

Following our Committee meeting on Monday January 8, as Secretary to the Green Belt Society, I wrote to Castle Communications - the satellite dish operator - to see if they would be willing to expand on the 'letter of comfort' sent to Welwyn Hatfield Council in 2000.

The letter can also be read on our North Mymms Green Belt website on the 'actions 2000' page.


Top tip - changing phones from analogue to digital removes all noise from the radio transmitter.
C Nolan <Email address not supplied>
Brookmans Park, Herts, No country - 13:15:49 Monday 03 April 2000


A DETR Inspector recently sought to take account of potential health risks when considering the erection of a new mobile-telephone mast. However this is currently not regarded as strictly a land-use planning factor, so there is some legal and other interest to see if this factor will 'endure' ... Could be interesting.
I assume Bob (Horrocks) is talking primarily about 'transmitting' satellite dishes (etc)...? altho' ALL dishes can verge upon the visually-challenging ...

John Fisher <
RVC Hawkshead, No county/state, No country - 17:49:08 Monday 27 March 2000


Re the interference from the BBC, Daily Express on 28 Feb -Gov't research into mobile phones radiation is likely to be hard hitting. We think there should be a knock-on to the BBC site. In the meantime, we will ask that the District Plan be more specific on any limitation for more satellite dishes, and what can be done about current interference. My computer picks up a radio station, and I disconnect it from the phone line to get a clear line. Any other ideas that work? Bob Horrocks

N Mymms District Green Belt Soc <
Potters Bar, Herts, No country - 19:40:20 Sunday 26 March 2000


May I sympathise with those of our neighbours who are getting radio transmissions from their appliances ...

For years RVC Hawkshead has had to grapple with radio broadcasts coming out of telephones, etc. For example, large-animal clinicians have had signal-interference with their sensitive diagnostic equipment: it's cost RVC a lot of effort and cash to line the current scanning unit (actually three converted loose boxes ... ) with copper to try to 'screen-out', but the problem is still not resolved. Hopefully over-time the new purpose-built facility in the L-ACC will solve that problem ...

I suppose it's a case that with so much of 'progress' (be it more media, mobile phones, road traffic, on-line banking, striving for lower-costs, etc etc) we all have to learn to live with the consequences - because they're bound to end-up in someones 'back yard' in this small island ... ?

John Fisher <
RVC Hawkshead, No county/state, No country - 08:53:32 Tuesday 14 March 2000


Are any residents hearing increased noise from the radio transmitter? We have had trouble in the past but luckily haven't heard anything for a year or more. Suddenly on Saturday February 19th the noise was back and louder than ever. Unfortunately for us it is only heard in the main bedroom and at night but this time it is loud enough to wake us up.
I spoke to the BBC at Brookmans Park today and they were very sympathetic but could offer no solutions. They know what it is like as they can hear the same sounds in their garage playing from the radiator. The most common place for the noise to come from is radiators, although people have reported sounds from microwaves etc.
The man at the transmitter suggested I got an official complaint form from the PO and sent it in, but also said to put something on this web site because maybe someone in Brookmans Park has had the problem and found a way to resolve it. They would be very interested to hear about any solutions.
The other factor which increases the likelihood of sound are the wet conditions.
The transmitter is responsible for 4 radio stations which are transmitted to London and the south east. In the past we have experienced Radio Sunrise which is a station for the Asian Community and the music was quite distinctive. This time there is more talking and he thinks it is more likely to be Talk Sport.
We would be pleased to hear from anyone on this topic and also wondered if anyone had any information about the investigations the North Mymms District Green Belt Society intend discussing at their AGM in March.
8 Upland Drive
Brookmans Park
connolly <>
brookmans park, hatfield, herts - 21:10:12 Friday 10 March 2000


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