Freeview: Dover (Kent, England) full-Freeview transmitter
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Freeview on the Dover (Kent, England) transmitter

Google StreetviewGoogle mapBing mapGoogle Earth51.112,1.247 or 51°6'41"N 1°14'51"ECT15 7AQ

4G at 800MHz (at800) Freeview reception issues

When 800MHz 4G mobile broadband services start there will be 1 multiplex in the higher risk range (C21-23, C30, C59-60): C59: ArqA
See How do I know if the 4G broadband will overload my Freeview? and Full UK map of 4G issue areas for details.

Transmitter fauls and engineering works



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The symbol shows the location of the Dover transmitter which serves 190,000 homes.

Other maps:Dover DABDover AM/FMDover regionBBC South EastMeridian (East micro region)

Radiation patterns

Radiation patterns withheld

Map key

The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.

Dover transmitter Freeview broadcasts

If you have any kind of Freeview fault, follow this Freeview reset procedure first.

Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below. The rating shown takes in account the output power level and the various Freeview transmission modes and do not indicate an ongoing fault.

MuxEffective power level, aerial positionRatingModeWatts
PSB1
BBCA
 horizontal
Maximum64QAM 8K 2/3
24.1Mb/s
DVB-T MPEG2		80,000
Channel icons
1 BBC One South East, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 301, plus 12 others
• as a digital multiplex transmitted on frequency C50 (706.0MHz) from 370m datum.
PSB2
D3+4
 horizontal
Maximum64QAM 8K 2/3
24.1Mb/s
DVB-T MPEG2		80,000
Channel icons
3 ITV (Meridian (East micro region)), 4 Channel 4 South ads, 5 Channel 5 Part Network ads, 6 ITV 2, 13 Channel 4+1 South ads, 14 More 4, 28 E4, 33 ITV +1 (Meridian south coast),
• as a digital multiplex transmitted on frequency C51 (714.0MHz) from 370m datum.
PSB3
BBCB
 horizontal
Maximum256QAM 32KE 2/3
40.2Mb/s
DVB-T2 MPEG4		80,000
Channel icons
101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, plus 1 others
• as a digital multiplex transmitted on frequency C53 (730.0MHz) from 370m datum.
COM4
SDN
 horizontal
Above average64QAM 8K 3/4
27.1Mb/s
DVB-T MPEG2		40,000
Channel icons
10 ITV 3, 20 G.O.L.D. (not free), 25 Dave ja vu, 26 Home (not free), 27 ITV 2 +1, 30 5*, 31 5USA, 34 ESPN UK (not free), 38 Quest, 39 The Zone, 44 Channel 5 +1, 72 CITV, plus 22 others
• as a digital multiplex transmitted on frequency C55 (746.0MHz) from 370m datum.
COM5
ArqA
 horizontal
Above average64QAM 8K 3/4
27.1Mb/s
DVB-T MPEG2		40,000
Channel icons
 TV News,  TV Stars, 11 PICK TV, 12 Dave, 17 Really, 29 E4+1, 32 Movie Mix, 46 Challenge, 48 Food Network, 82 Sky News, 87 Community Channel, plus 9 others
• as a digital multiplex transmitted on frequency C59 (778.0MHz) from 370m datum.
COM6
ArqB
 horizontal
Above average64QAM 8K 3/4
27.1Mb/s
DVB-T MPEG2		40,000
Channel icons
15 Film 4, 18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 41 Sky Sports 1 (not free), 42 Sky Sports 2 (not free), 47 4seven, 83 Al Jazeera English, 85 RT English , plus 21 others
• as a digital multiplex transmitted on frequency C48 (690.0MHz) from 370m datum.


Regional news from the Dover transmitter


BBC South East Today 0.8m homes 3.2%
from Tunbridge Wells TN1 1QQ, 69km west
to BBC South East region - 45 masts.

ITV Meridian News 0.8m homes 3.1%
from Maidstone ME14 5NZ, 52km west-northwest
to ITV Meridian (East) region - 39 masts.

How the transmission frequencies change over time

years1960~851984-971997-981998-20122012-132013-182013-182019-
aerial groupVHFC/D EC/D EC/D EC/D EC/D EC/D EK
C10ITV
C22SDN
C25ArqA
C28ArqB
C39BBCB
C42D3+4
C45BBCA
C48ArqBArqBArqB
700C50BBC1BBC1BBC1BBCABBCABBCA
C51D3+4D3+4D3+4
C53C4C4C4BBCBBBCBBBCB
C55-ASDNSDNSDN
C56BBC2BBC2BBC2
C57+Clocal
C58+B
C59ArqAArqAArqA
C60-D
800C61+2
C66ITVITVITV
C681

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 13th June and 27th June 2012.

Comparison of old analogue and current digital signal levels

Analogue 1-4 100kW
BBCA, D3+4, BBCB(-1dB) 80kW
SDN, ARQA, ARQB(-4dB) 40kW
Mux 2*, Mux A*, Mux B*(-17dB) 2kW
Mux 1*, Mux C*(-20dB) 1000W
Mux D*(-23dB) 500W

History of Channel 3 in the Dover transmitter area

Aug 1958-Jan 1992Southern Television
Jan 1982-Dec 1992Television South (TVS)
Jan 1993-Feb 2004Meridian
Feb 2004-Dec 2014ITV plc
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only.


Your comments: most recent posts are at the bottom

firstFirst comments prevEarlier comments  ◊ 

Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

Transmitter engineering
Monday 24 September 2012 4:56PM
DOVER transmitter - Freeview BBC Digital TV Wrong Region from 09:06 today to 09:17 today BBC Digital TV Wrong Region from 09:00 today to 09:05 today [BBC]
Transmitter engineering
Tuesday 25 September 2012 7:56AM
DOVER transmitter - Freeview BBC Digital TV Wrong Region from 09:06 yesterday to 09:17 yesterday BBC Digital TV Wrong Region from 09:00 yesterday to 09:05 yesterday [BBC]
Transmitter engineering
Tuesday 25 September 2012 1:56PM
DOVER transmitter - Freeview BBC Digital TV Wrong Region from 09:00 yesterday to 09:05 yesterday BBC Digital TV Wrong Region from 09:06 yesterday to 09:17 yesterday [BBC]
Transmitter engineering
Wednesday 26 September 2012 4:55AM
DOVER transmitter - Freeview BBC Digital TV Wrong Region from 09:06 on 24 Sep to 09:17 on 24 Sep BBC Digital TV Wrong Region from 09:00 on 24 Sep to 09:05 on 24 Sep [BBC]
debbie edwards
Tuesday 23 October 2012 9:22PM
Hi - this evening I was having problem with ITV3 - it kept breaking up or disappearing altogether. I re-tuned, and now ITv3 on Channel 10 has completely disappeared - how do I get it back?! Debbie
David
Thursday 25 October 2012 12:07PM Sandwich
HI debbie edwards looks like you have SDN missing. try to do a rescan today. & see if it comes back. the next time you lose channels from SDN dont recan as this mite have have been down to the fog we have been have here.i say this as i lost channels to but got them back.
Transmitter engineering
Saturday 22 December 2012 1:49PM
DOVER transmitter - Freeview BBC Digital TV Off Air from 10:33 today to 10:36 today [BBC]
Transmitter engineering
Sunday 23 December 2012 4:49AM
DOVER transmitter - Freeview BBC Digital TV Off Air from 10:33 yesterday to 10:36 yesterday [BBC]
Transmitter engineering
Monday 24 December 2012 4:50AM
DOVER transmitter - Freeview BBC Digital TV Off Air from 10:33 on 22 Dec to 10:36 on 22 Dec [BBC]
Transmitter engineering
Tuesday 15 January 2013 8:02PM
DOVER transmitter - Freeview - No reported problems -. [BBC]
Transmitter engineering
Tuesday 15 January 2013 8:50PM
DOVER transmitter - Freeview No problems on any service. [BBC]
David
Friday 18 January 2013 6:53AM Ramsgate
Hi just been installed with talktalk freeview box. Ariel is on (roof)chimney its a small basic ariel & is connected to a signal booster in house & splits into 4 wired ariel cables supplying 4 freeview tvs.
Can I split the ariel again using a y connection to run FM & Dab radio & my talktalk freeview box.
will this effect quality of signal
do I need a Gain ariel replacement for quality
could you suggest any thing?
Thanks
Jon
Saturday 2 February 2013 4:33PM
I've noticed breakup on all hd channels since early January, all other channels appear to be fine. I renewed all cabling and the aerial during the summer and apart from the high pressure problems we all had, the reception has been excellent. I'm in the Palm Bay Area of Margate. Has anyone else noticed anything similar?
Dave Lindsay
Saturday 2 February 2013 6:24PM
Jon: The Margate relay on the top of Invicta House is a Single Frequency Network with Dover's PSBs, although it is vertically polarised. Perhaps it is this which is driving your signal strength up too high.

If you are not able to receive COM channels from Dover then you might as well use Margate, although the COM channel allocations of Sudbury preclude combining it with Margate using a diplexer.
Dr. John Pritchard
Sunday 17 February 2013 9:04AM Ramsgate
We have three digiboxes, each of a different make and generation. The most primitive, on a basic aeriel, serves a small 20-year old tv and is prone to shifting back and forth from colour to B&W. The other two, less than a year old, worked fine before and after digital switchover but have BOTH become unusuable. All BBC channels, most ITV channels and all news channels apart from Sky News suddenly switched off and on the one digibox that supports HDTV, all HD channels are gone. Some other channels are listed but report no signal. Dover transmitter reports no problems and is 28 miles away but still in line of sight. Maps suggest there are G4 but the maps may be out-of-date. Resets aren't working. Others but not everyone in Thanet are experiencing the same problems. What are our remedies to restore all of our services: do we need to contact trading standards?
Dr. John Pritchard
Sunday 17 February 2013 9:07AM Ramsgate
Correction to my last posting: Maps suggest there are No G4 transmission services in this area (Thanet) but the maps may be out of date.
Dave Lindsay
Sunday 17 February 2013 10:03AM
Dr. John Pritchard: The symptom of changing from colour to black and white is not one of the digital system; this is only a possibility with analogue. Therefore, the issue must be somewhere from your box to the TV and not the aerial. How have you got the 20 year old TV connected to the box?

Have you confirmed that the TV is tuned to Dover transmitter for affected services, and not another transmitter? This is generally the first thing to check for in these circumstances.

There should be no 4G transmitters operating at 800MHz as the licences have not been auctioned off yet. Trading Standards aren't likely to be interested in complaints about TV reception. The propagation of RF signals are governed by the laws of physics, much as politicians may wish to rewrite them in order to cram more services in.


I have made two observations which could potentially affect reception of RF signals:

1. See this terrain plot between you and the transmitter:


Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location

For around a mile, the signal path (the line between the transmitter and you) runs close to the ground. The higher ground approximately half a mile from you corresponds to the Westwood and Northwood areas. Looking at satellite images there are large industrial buildings in Westwood. Are these new and might their appearance coincide with the poor TV reception?


2. The airport runway is perpendicular to the path of your TV signal. Therefore, presumably, airplanes fly across it. They can act to cause issues with reception as they act to reflect the signal back down to earth. If the reflection happens to shine on your location then it could cause difficulties with reception.


Do any of these sound plausible explanations?
Dave Lindsay
Sunday 17 February 2013 10:16AM
Dr. John Pritchard: I will go out and come in again. I now see that you are in Northwood and therefore that the Westwood industrial buildings are not between you and the transmitter.

However, I do note that on satellite images, there are a number of 'stub' of roads off New Haine Road which makes me think that the industrial estate will spread into the fields behind you, which are obviously likely to be in the way as far as reception from Dover is concerned. Or more to the point, perhaps it already has done and the photos are out-of-date.
Dave Lindsay
Sunday 17 February 2013 10:23AM
Dr. John Pritchard: Of course, what I said about the signal path being low to the ground for about a mile still applies. It is just that I hadn't corresponded the terrain to the right location.

So have there been other developments in the area that may be the cause?

Below the terrain plot there is a link to see a line between the two points. Whilst it isn't exact, it should give you a rough idea.

For example, Streetview photos taken in April 2009 show the early development of buildings on Manston Road, with new roads being shown on maps.
Dr. John Pritchard
Monday 18 February 2013 8:34PM Ramsgate
Thank you, Dave Lindsay! The stub roads are still stubs, and you are right in noting that the Westwood Cross development is growing. However, the copse and park to the South of us are scheduled to remain as local amenities for the foreseeable future. My guess is that the stub roads will lead into a new Sainsbury (for deliveries) and out to Newington Road along an existing hedgeline, probably replacing an existing footpath between two schools. All a bit bizarre, but there we are.

From line of sight when sitting on the roof next to the ariels (real sight, not through a telescope) there does not appear to be any obstruction in the way. My cabling is all WF125 with F-plugs so on a presumption, now, that my signal strength is too strong, not too weak, I'm going to try an adjustable attenuator and taking my preamp/splitter out of the circuit with the best aeriel see if that may help in bringing the Dover Transmitter's 80 kw MUCS within tolerances that my HDMI television can accept. I'll also see if the attenuator will do the decent thing in downgrading a less powerful aeriel to our kitchen tv to make to restore domestic harmony there, too. And your suggestion regarding the b&w/colour shifts on our bedroom computer makes sense: I've checked the RF lead to the digibox (it, too, is WF125) and the plugs at each end are fine, but the digibox connects to the tv via a ribbon SCART lead that runs up the back of the tv case to the digibox on top of the set. So the SCART lead now seems to me the most likely culprit as that's the only analogue link in the chain. If that fails, I guess the next suspects are (1) the digibox itself notwithstanding the fact that it is the only one in the house that is now delivering all channels from Dover, or (2) the 20-year-old set which must be getting near its end of life anyway. Anyway, your advice that the b&w/colour shifts must be an analogue problem is hugely helpful. I'll report on the outcome of these changes in case that helps others!
Dr. John Pritchard
Monday 18 February 2013 8:48PM Ramsgate
Oh, one more thing: Manston Airport does lie less than a mile away and the incoming flights do cross my line of sight to Dover. Strangely enough, this has never affected my reception at all, even during Air Shows (and be it remembered that in the distant past, Manston was capable of launching whole squadrons of Hurricanes & Spitfires all abreast, and later the place was used by lumbering great B-52s. Nowadays, while the debate over Boris Island continues, Manston seems fated to remain underused until the powers that be build a parkland station there and upgrade our tracks to suit our existing local Javelin 140mph train services on the line to St. Pancras International via Ashford. At present, however we don't have as much as one single scheduled flight a day into or out of Manston's 8000 foot nunways and the odd freighters that use the airport really cause no perceptible nuisances at all save to a few homes that sit right under the flight paths (most of which end up out over the Channel or the North Sea except for periods that can be measured in seconds.
Dr. John Pritchard
Monday 18 February 2013 11:51PM Ramsgate
The Hi-gain aerial for my HDMI tv is a Televes DAT 45; the aerial for the kitchen tv is a wideband high gain 52-element aerial from a leading supermarket (ahem). The oldest aerial is a straight-forward group C/D 18-element log without any balun but with a "solid" flat-sheet reflector (with slots): I think it might be an old Antiference: not sure. The Televes and log aerials share the same cranked pole, and I'll see if I can increase the distance between them to avoid possible resonances or other interactions between them. Dave, any advice on how far apart they should be?
jb38
Tuesday 19 February 2013 7:51AM
Dr. John Pritchard: Purely on the subject of your older analogue television alternating between B & W and colour, I don't really feel that anything done will rectify this problem as its most likely being caused by either a bad PCB joint on the crystal used in the colour decoder (commonly known as the colourburst crystal) or its the actual crystal itself that has developed a fault, this usually where the wire from the lead in pin is fused onto the crystal, something not exactly unheard of hence their relatively low cost.
Dave Lindsay
Tuesday 19 February 2013 11:30AM
Anything, particularly within the first Fresnel zone (look it up), can affect reception, by refraction. I imagine that it's likely, particularly with the path being close to the ground, that there's quite a lot of clutter in the first Fresnel zone. Reflections can also affect reception because the reflected signal (the echo) is combined, or summed, with the main signal at the receiving aerial. The worst case extreme is that they are 180 degrees out of phase and therefore cancel each other out and you get nothing (I give the extreme merely to illustrate the point). Even the professionals say that RF is a black art.

Digital reception requires a good quality signal, where the digits are intact. A receiver requires the signal strength to be over a lower threshold, but not greater than an upper threshold, over which it becomes unstable. Basically, you need the strength to be within that window. As a matter of good practice, the objective is to have the signal strength sufficiently above the lower threshold such that natural variances in strength (owing to the weather etc.) aren't likely to mean it dipping under. By the same logic, there should be room for the signal strength to increase a bit without putting it OTT. The point is, therefore, that the picture is exactly the same irrespective of strength, and so the objective is *not* to get the strength as high as possible; it is to get the quality high and strength within the window.

The WF125 flylead isn't going to make much difference unless it happens to be sited within lots of interference. WF100 is more than sufficient for terrestrial frequencies, although WF125 does have a PE sheath, rather than PVC, which is better on the odd day that the sun does shine bright enough for the UV levels to be high.

You could try swapping the scart end-to-end. This scart system encompasses several different types signal and not all TVs support all types. RGB is best as all three colours go along separate wires, as opposed to being combined when sent and uncombined when received (which means quality isn't as good). If the set supports RGB, and I'm not sure how likely it might be to do so, then use RGB - it will need activating in the box's setup menu. You can, of course, take the digibox and scart to another TV and see how it works with that, and you may be able to try the old TV with a box in another room; this should give you an idea whether it's the box, the lead or the TV.

I'm not a professional, so can't say how much gap should be allowed between multiple aerials on a mast. However, I think that you should be looking to run all three TVs from a single aerial. It may be that you can do this using an unpowered splitter, or you may need some amplification, but you have some at your disposal anyway!

See www.aerialsandtv.com link icon A.T.V (Aerials And Television) TV Aerial, DAB Aerial, FM Aerial. for lots of information. For a start off, the old C/D aerial you have sounds like a crappy contract aerial; see www.aerialsandtv.com link icon A.T.V (Aerials And Television) TV Aerial, DAB Aerial, FM Aerial. aerials.html

The question you've got to ask is: is this a strength issue or a quality issue? I shall assume that you've looked at strength.

What could be the cause of poor quality, I ask myself. Remember I'm not a professional.

For a start off, the industrial buildings that are around you could be causing reflections. How were the analogue signals before they were switched off? Were there any clues such as ghosting which gradually got worse as more and more units were errected? Obviously before switchover the digital was weaker, so any reflections would also have been weaker and therefore have been less of an issue.

I can see your aerials on Streetview (June 2009) and they don't look very high, whilst your neighbours' are. Height isn't necessarily everything though. Could the single tree at the back be in close enough proximity to have an effect, I wonder?

There is a triangle-shaped clump of trees behind Cherry Tree Gardens and Highfield Road; might they be the cause of poor reception and could increasing the height of the aerial reduce their impact?


The thing with aerials is that the gain, in one direction, is at the expense of greater "loss" in other directions. So, generally, a higher gain focuses on a narrower "beam". This is an important point to bear in mind because you are interested in getting a good quality signal. Imagine you are the aerial looking out over a narrow angle and within that space there is a lot of clutter which is resulting in refracted (poor) light. Having a wider angle might allow you to see, on average, better quality light.

Now consider something like trees which are moving and so it follows that any effect of those trees must be changing. In some cases, these changes mean that the signal, at the receiving point, isn't usuable and so the picture breaks up.

If you have an amplifier, you can boost the strength if it isn't great enough, but you can't rebuild a poor quality signal; quality starts at the aerial. Even with a lower gain aerial, you may find that there is ample signal strength to feed one or more TVs.


See www.aerialsandtv.com link icon A.T.V (Aerials And Television) TV Aerial, DAB Aerial, FM Aerial. polardiagrams.html Log periodic aerials have a much neater polar response whereas yagis tend to have lobes. If the issue is poor quality caused by reflections, perhaps from the nearby industrial buildings, then these would appear to behind you and to the sides. A log may fare better at "rejecting" those reflections.

Read the bits on log aerials on the ATV site; the saying is "If you can use a log, use a log."

There are plenty of suppliers out there. I came across this one which sells a range of logs, each for less than £20 including delivery:

www.aerialsat.com link icon Aerials [Aerial Type: Uhf Log-periodic] > AerialSat.com
Dr. John Pritchard
Thursday 21 February 2013 9:40PM Ramsgate
Thanks, Dave. This is exceedingly helpful.

Changing the SCART lead didn't help on the analogue colour shifts: you're right. It did appear to make the colours more intense, which was unexpected. I'll check the other things out, by swopping the ancient tv for another that I can put in that bedroom. Adding the attenuator to the kitchen tv immediately brought back two of the three missing MUCs, including the BBC and ITV stations. I'll fine-tune the adjustable attenuation and see if the fifth MUC can be recovered, too. The power bricks and AC cabling appears to be affecting hum levels on the tv audio in the kitchen: more careful positioning dropped that back to a fraction of what it was. The aerial fly lead to the decoder is very poorly shielded (I'd ignored that before): the rest of the cabling is WF125 but that last two metres is a joke, especially as it is in close proximity to poorly shielded rfi sources. I'll just make up a new MF 125 cable and see what happens. I expect that to sort out the hum problem, at least!

What you say about the height of the aerial is highly relevant. I kept it low deliberately in part because there's a large aerial array not far from us (behind a local fire station on the Margate Road) and I felt keeping the aerials low helps to shield us from any rear lobe on our aerials. But the copse about 100m between us and the route to the Dover transmitter has grown like crazy in the past few years. All you've said on that score and on reflections from other near-ground topographical features between us and our horizon makes sense. In the case of the copse in particular, that extra 15 - 20 feet of height added in the past six years since we moved here won't be doing us any favours. Likewise two tall trees on our property line with our neighbour nearest to my best aerial have grown rapidly, too, and their span as well as their height could be adding all kinds of reflections, not least because there's a catenary cable between the bottom of the aerial pole and outbuildings to the rear: that catenary line carries two CAT 6e signal cables but when the trees and cabling are wet and swinging, well, probably not good. In the spring I hope to be able to put that cabling into underground conduits. One of the trees is also likely to go. Raising the pole will also happen as soon as I get another wall-bracket to take part of the weight and dampen oscillations in windy conditions. But tomorrow I'll also be testing the effect of the adjustable attenuator on our HDMI decoder and main tv: with a little luck that will restore domestic bliss within our household until the other work can be done with the weather improves!

In case all of this helps others, and just to offer further feedback, I'll record here any further developments as I continue to try to sort this out in the days or weeks ahead. Meanwhile, thanks, Dave!
Dr. John Pritchard
Thursday 21 February 2013 9:52PM Ramsgate
PS, Dave: I've taken onboard your observations about Log periodics, Yagis and high-gain one-size-to-fit-all models like my Televes DAT 45 (which to the unitiated is like the model shown on the chimney in the photo to the left of this forum). Having looked at the stats and your remarks, it all does make sense to me. The Televis was probably over-kill, but in the pre-switchover years when freeview was just building up, the Televes was highly recommended by one of our best local electrical supply houses. Very glad I was sensible enough not to go for the DAT 75 model. Those are beautifully crafted products, however, and I did have in mind the possibility of multipath problems that the Televes are said to cope with well.
Dave Lindsay
Thursday 21 February 2013 11:05PM
Dr. John Pritchard: I was looking at the tower you mention on Margate Road. Whilst we obviously can't say for certain, it may be a pretty safe bet though that it will carry 800MHz 4G, particularly as it's so high up and therefore well-place to serve a large area.

This got me wondering whether it is home to a Tetra base station, but according to Ofcom Sitefinder, there are Airwave's base stations elsewhere within a few miles of you.
Dr. John Pritchard
Saturday 23 February 2013 12:00PM Ramsgate
Thanks, Dave. the answer is certainly yes, re. Tetra base stations. I suspect you will be right about 4G. There are certainly 3G aerials on all of the high buildings in the vicinity including the sites of the two vertically polarised television sites for Margate (80 watt) and Ramsgate (50 watt), but as you will know those sites offer a very limited number of channels.
Dave Lindsay
Saturday 23 February 2013 1:19PM
Dr. John Pritchard: The 4G filters that are available will also filter out tetra as they only allow UHF channels 21 to 60 through. All of those I've seen online are the SAC AE5100.

An advantage of changing to a system with only one aerial is that you need only one filter, to be fitted before the amplifier. You have already removed the possibility of interference being picked up in the cables by using WF125. The lowest price I've seen so far is about £8 including delivery on eBay.
Transmitter engineering
Thursday 28 February 2013 1:31PM
DOVER transmitter - DAB: BBC National DAB Radio Off Air from 11:54 today to 11:57 today. [BBC]
Transmitter engineering
Friday 1 March 2013 4:31AM
DOVER transmitter - DAB: BBC National DAB Radio Off Air from 11:54 yesterday to 11:57 yesterday. [BBC]
Transmitter engineering
Saturday 2 March 2013 4:31AM
DOVER transmitter - DAB: BBC National DAB Radio Off Air from 11:54 on 28 Feb to 11:57 on 28 Feb. [BBC]
LandlubberDave
Saturday 30 March 2013 12:58PM Clacton-on-sea
jb38.I have corresponded with you during the last 6 months regarding interference to our TVs due to the new Earls Hall Wind Farm which has become operational in Clacton on Sea between us at CO16 7PD and the Sudbury Transmitter. Renco the owners sent GTechSurveys to monitor our signal, and consequently we have had a larger Wideband Aerial/Splitter Amp/Fixings etc, fitted by Sound & Vision of Frinton on Sea who done an excellent job for us. Our new Aerial has been tuned into the Dover Transmitter. (The opposite direction to the wind farm and the Sudbury Transmitter) We now have perfect pictures, including Freeview and the HD channels, but have lost Anglia news, receiving Meridian instead. They were willing to fit a dish up to enable us to receive Anglia, but we declined this. We are even picking up some French channels as well. I know they have been doing quite a few other homes in our area which have also been affected. Thanks for your help and advice in the past.
jb38
Saturday 30 March 2013 1:31PM
LandlubberDave: Many thanks for taking the time to provided an update regarding the outcome of the problem, the info provided by yourself being filed away for reference purposes as it could well come in useful to anyone else in the unfortunate position of having just found out that they also are going to have a wind farm imposed on them.

Maybe you could so good as to try a small test for me based on what you have said regarding your Freeview transmitter now being Dover, as two of Dovers muxes are only predicted as providing variable reception in your location, and so I wondered what like your reception is on ITV3 and also Film4, these corresponding to mux Ch55 and mux Ch48 respectively? both being 40KW transmitters whereas the PSB muxes are radiating on 80Kw, all of Sudbury's six muxes being 100Kw.

LandlubberDave
Monday 8 April 2013 12:55PM
jb38. In reply to your post on Saturday 30th March I have checked the reception of ITV3 and Film 4 over a couple of days on our three sets, I have also recorded some films, and so far we have had no problems at all. We have been tuned into the Dover transmitter for five weeks now, and have experienced no problems with Freeview or HD.

I dont know the make of the aerial, but it looks similar to a Directional Freeview High Gain Y-1016F aerial that's sold on Amazons site.

I have just received a letter from BayWa r.e. renewable energy (the owners of the wind farm) dated 4th April 2013 stating that they "were not able to conclude that our loss of HD was directly caused by their turbines as the signal quality in our area is not ideal, plus the fact that our aerial does not meet the 10mtr standard height (we live in a bungalow) and they have upgraded our aerial etc "as a gesture of good will" This has really annoyed me as our reception had been really good and we were getting excellent HD untill their turbines became operational!!!
Trevor
Tuesday 7 May 2013 9:11AM
Summer has started on freeview 06:00 7/5/2003 lost bbc1/2 !!
Briantist
Monday 20 May 2013 8:53PM
Trevor: The usual reason for such problems is that something has come into leaf (some trees perhaps).

Check where your aerial points, and if there is foliage in the way, you may need to raise your aerial up to avoid it.
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Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

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