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Full Freeview on the Nottingham (Nottinghamshire, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.987,-1.252 or 52°59'11"N 1°15'8"Wsa_postcodeNG16 2SU

 

The symbol shows the location of the Nottingham (Nottinghamshire, England) transmitter which serves 74,000 homes. 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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Nottingham (Nottinghamshire, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
_______

Which Freeview channels does the Nottingham transmitter broadcast?

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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
C27 (522.0MHz)175mDTG-3400W
Channel icons
1 BBC One (SD) East Midlands, 2 BBC Two England, 9 BBC Four, 201 CBBC SD, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 16 others

PSB2
D3+4
 V max
C24 (498.0MHz)175mDTG-3400W
Channel icons
3 ITV (SD) (Central (East micro region)), 4 Channel 4 (SD) Midlands ads, 5 Channel 5 (SD), 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 Midlands ads, 18 More4, 24 ITV4, 33 ITV +1 (Central west), 45 Film4 +1,

PSB3
BBCB
 V max
C21+ (474.2MHz)175mDTG-6400W
Channel icons
86 More4 +1, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Central West), 104 Channel 4 HD Midlands ads, 105 Channel 5 HD, 204 CBBC HD,

COM4
SDN
 V max
C51 (714.0MHz)175mDTG-8400W
Channel icons
 Spotlight TV, 12 Quest, 20 Drama, 21 5USA, 27 ITV2 +1, 30 5STAR, 34 ITV3 +1, 40 Movies4Men, 44 Channel 5 +1, 54 Paramount Network, 55 5SELECT, 58 ITVBe +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 70 Horror Channel, 76 Quest +1, 77 TCC, 80 Blaze +1, 203 CITV, 211 Ketchup TV, plus 21 others

COM5
ArqA
 V max
C52 (722.0MHz)175mDTG-8400W
Channel icons
11 pick, 17 Really, 19 Dave, 28 E4 +1, 32 Sony Movie Channel, 38 Quest Red, 41 Food Network, 46 Challenge, 72 YourTV, 89 Together TV, 233 Sky News, plus 10 others

COM6
ArqB
 V max
C48 (690.0MHz)175mDTG-8400W
Channel icons
25 Yesterday, 29 4Music, 31 5Spike, 37 DMAX, 39 CBS Justice, 42 Home, 47 4seven, 71 CBS Drama, 73 Sewing Quarter, 79 Dave ja vu, 81 Talking Pictures TV, 235 AlJazeera English (SD), plus 16 others

LNG
 V -6dB
C50 (706.0MHz)175mDTG-12100W
Channel icons
from 27th May 2014: 7 Notts TV,

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 19 Freeview HD channels?

the effected channels
the effected channels

The Nottingham (Nottinghamshire, England) mast is not one of the extended Freeview HD (COM7 and COM8) transmitters, it does not provide these high definition (HD) channels: 4seven HD, 5STAR +1, 5USA +1, Aljazeera English HD, BBC Four HD, BBC News HD, CBeebies HD, CBS Reality +1, Channel 4+1 HD, Forces TV, Freesports, NOW 80s, Now 90s, PBS America, Pick +1, Together TV +1, Quest Red +1, RT HD, Smithsonian Channel HD.

If you want to watch these HD channels, either use Freesat HD, or move your TV aerial must point to one of the 30 Full Freeview HD transmitters. For more information see the want to know which transmitters will carry extra Freeview HD? page.

Which BBC and ITV regional news can I watch from the Nottingham transmitter?

regional news image
BBC East Midlands Today 0.9m homes 3.4%
from Nottingham NG2 4UU, 9km east-southeast (118°)
to BBC East Midlands region - 17 masts.
regional news image
ITV Central News 0.9m homes 3.4%
from Birmingham B1 2JT, 72km southwest (218°)
to ITV Central (East) region - 17 masts.
All of lunch, weekend and 80% evening news is shared with Central (West)

How will the Nottingham (Nottinghamshire, England) transmission frequencies change over time?

1984-971997-981998-20112011-132013-182013-1730 Mar 2018
A K TA K TWW TW TW TW T
C21BBC1wavesBBC1wavesBBC1waves+BBCB+BBCB+BBCBBBCB
C24ITVwavesITVwavesITVwavesD3+4D3+4D3+4D3+4
C27BBC2wavesBBC2wavesBBC2wavesBBCABBCABBCABBCA
C29C
C31C4wavesC4wavesC4waves
C34C5wavesC5waves
C391
C48ArqBArqBArqBArqB
C50tv_offLNGLNG
C51tv_offSDNSDNSDNSDN
C52tv_offArqAArqAArqA
C53tv_offA
C59tv_offD
C63B
C672

tv_off Being removed from Freeview (for 5G use) by 30 June 2020 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 30 Mar 11 and 13 Apr 11.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-5 2kW
SDN, ARQA, ARQB, BBCA, D3+4, BBCB(-7dB) 400W
LNG(-13dB) 100W
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*(-17dB) 40W

Which companies have run the Channel 3 services in the Nottingham transmitter area

Feb 1956-Jul 1968Associated TeleVision†
Feb 1956-Jul 1968Associated British Corporation◊
Jul 1968-Dec 1981Associated TeleVision
Jan 1982-Feb 2004Central Independent Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Nottingham was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Comments
Friday, 23 May 2014
B
bren
sentiment_satisfiedBronze

2:21 AM

Moved the TV a bit and how I have good Sky on the TV and a worse one on the monitor/TV.

So it is all very fickle, it's like trying to get a good signal on a FM radio, a bit of a black art.

But right at this very moment I have a good clear picture on every channel, probably the best it has ever been!!!

Maybe a change in the weather occurred, it was raining, perhaps all the thunder has stopped?

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bren's 50 posts GB
B
bren
sentiment_satisfiedBronze

6:11 PM

lol I've been busy, was looking at a video on how to make a log periodic on youtube, interesting stuff.
Anyway I was still having problems. I believe it is due to interference from other stuff like mobile phone or police or other digital transmissions, sometime I can see a checked patten.

Anyway I connected my spare aerial and laid it on the loft insulation and pointed it in the general direction of waltham to see what the signal was like from there. It was connected up to my PC /TV monitor as I didn't want to have to retune my TV to avoid losing a signal.
Anyway when I got down stair was I was very surprised to see Sky TV displayed on my monitor!!

I was thinking how can that be? I have not retuned it yet!!
I Had a check and all the other channels were there too I was wondering if it had an inbuilt receiver.

Then I checked the signal frequencies and found they were indeed from Waltham.

So I really do not know what happened there, does it have some clever software inside to find the channels?
Did it remember an old tuning from before I bought it? It i have never tuned it to Waltham, unless somehow my initial tuning picked up waltham and magically avoided Nottingham. Rather baffling!!


It is possible it picked up the signal through the back of the aerial after it missed to nottingham Sky Tv muc totally

But my main TV is now tuned to Waltham and I have all the channels with not interference or problems.

So problem solved for me!!!

But my advice for anyone with problems from the Nottingham transmitter is to try Waltham, it worked for me even though it is supposed to be a weaker signal.

I have also discovered I can get all the channels on my DVB-T USB stick, I have never been able to do that before so I am over then money as I can easily record to my PC as opposed to my slows cumbersome PVR type thing.

So problem solved for me, indeed better than ever, from my experience I would suggest the Nottingham transmitter is best avoided. I can get Waltham in the loft on a basic aerial (albeit with a booster) so I expect most can, not tried without a booster yet.


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bren's 50 posts GB
B
bren
sentiment_satisfiedBronze

6:56 PM

OK seem like I spoke too soon,,,, I seem to be missing COM4 ie ITV 3 etc..
I didn't notice before as I don't really watch anything on that much.

What I think I will try is to see if I can can connect in the old aerial and selectively tune in that mux with both connected. I think I had two connect aerial working together before.

Also my PVR missed the BBC mux at the very least

So its not all sorted yet,


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bren's 50 posts GB
B
bren
sentiment_satisfiedBronze

8:04 PM

Fiddled with the old aerial to try and get the missing mux but ended up losing the lot lol.

Back on nottingham on my normal aerial, Sky news is fine atm, however there is a mux with poor/no reception it is the ITV3 one I was hoping to pull in so it is poor on both aerials it seems.

However I have sky back on my main aerial, i could pretty much watch that 24/7 and often do so I am pretty happy, just had a tiny bot of noise on sky.

I am in the unfortunate position that the i am pretty much in a straight lline between the two transmitters.

Maybe if I tilt my aerial to 45 degrees and take the reflector off I can pick up both at the same time lol.

Might have a go at building that log periodic for a laugh :)

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bren's 50 posts GB
Saturday, 24 May 2014
B
bren
sentiment_satisfiedBronze

5:14 AM

Made a new connector for the old aerial pointed it at waltham retuned seem to have pretty
much every thing 140 channel on my HD freeview recorder. Might be missing some local mux
but it might be off air.

Seems to be best ever I have channel 10 mux (itv3 ) which was previously missing.

Results :-

m1 95% 0 bit error psb1 c49

m2 92% 0 bit error psb2 c54

m3 hd psb3 c58 (on HD recorder signal strength 90% signal quality 79) BER 0 (bit error rate?)

m4 93% 0 bit error (itv3) com4 c29

m5 90%% 0 bit error (11 pick) com5 c56

m6 92% 50~100 bit error (18 4 music) com6 c57

lng missing

m7 missing (HD?)

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bren's 50 posts GB
Sunday, 25 May 2014
B
bren
sentiment_satisfiedBronze

5:56 PM

Well I am fine on Waltham tramsmitter, I have every channel without noise.
I suspect if I switched back to nottingham I would get the same (will try later).
But I might as well stick with Waltham, it's easier to deal with I can just lay the aerial on top of the insulation
in the loft. Its much harder mounting a vertical.

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bren's 50 posts GB
Tuesday, 27 May 2014
B
bren
sentiment_satisfiedBronze

3:09 AM

Just an update, I have been fine on Walthan for a while now so I will be sticking with it.
I have not got round to retesting the Nottingham one, but I imagine the recent interference has gone now.
Waltham is still better than Nottingham was.

I was using Nottingham because I thought it was a stronger signal, however Waltham transmits at two different power levels, so they (wolfbane site) may have used the lower power to give the signal strength.

But in the final analysis I now get all the channel pretty much perfect, and that was never the case with Nottingham, I always had some problems on at least one mux, ableit a mux I rarely watched.

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bren's 50 posts GB
Wednesday, 28 May 2014
MikeP
sentiment_very_satisfiedPlatinum

12:29 PM

Bren
The output power (ERP) of a transmitter largely determines the transmission distance, but obstructions between the transmitter and receiving aerial can seriously affect recption. Tall building, hills and mountains all have an effect.
Waltham has different ERP for the PSB muxes from those of the COM muxes, a common variation found at many full service transmitters. Lower power reduces the signal strength, I suspect you are equating 'strength' with 'robustness', which is not correct.
That you now have satisfactory reception from Waltham suggests you have elminated whatever was causing the problem.
A word of warning if you consider bringing the Nottingham transmitter back into your system, you can ruin your reception of all channels if you don't do the connection correctly. I would strongly recommend use of a UHF switch with two inputs and one output such as this at
Two Way F Plug Aerial Switch | Maplin
(others are available), do *not* use a simple splitter/combiner as that will make signal reception much poorer! The F-type connectors are poften preferred nowadays and can be fitted to most good quality coaxial cable as used for UHF TV aerials or satellite LNB feeds.

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MikeP's 2,932 posts GB
Monday, 2 June 2014
B
bren
sentiment_satisfiedBronze

1:26 AM

Thanks Mike, I thoght they might have boosted the power on the higher frequency muxes as I believed those signals do not travel so well, however after a careful look one on the low frequency signals is also high powered so it is indeed as you say the PSB one which are boosted, presumably because public service broadcasts are considered more important, no least because you actually pay for them!

I have no need to connect the Nottingham transmitter now because I get all the muxes with no bit level errors apart form COM6 which has an error level of typically 80, however there are no visible problems on the picture,
the only way I knew there were any errors was by looking at the signal info. Furthermore I am pretty sure the reception on that mux is even worse on Nottingham!

I think in the past I have managed to connect two aerial successfully just by twisting the cores and shielding together. That was before I had a booster in the loft, I found I could pick up some signals on my external aerial ( which was not wide band) which I could not get on the loft aerial.

I seem to remember the tuning on that was rather tricky, I vaguely remember having to unplug the aerial at the right time to avoid picking up the wrong signal! (I don't think I had the ability to selectively tune specific channels) separately.

Also it is much better on Waltham as I can simply lay the aerial on the insulation and get all the muxes (the signal is horizontal unlike Nottingham whcih is horizontal). The Nottingham one is precariously mounted high in the loft, if it was as low as the Waltham one I would probably lose a few muxes, it is also rather obtrusive in my small loft so I plan on removing it completely.
I could get a better signal if I moved the Waltham aerial higher, but there is not point really as there would be no visible improvement and it would be obtrusive.

Note I combined the two aerials, I didn't switch between the two, and they were pointing at different tranmitters.

At one point I did try having both aerials pointing at the same transmitter to 'double' the signal strength but that was the failure a professional aerial fitter told me it would be!! ( I still gave it a go though lol). I thought if I got the cable lengths exactly the same it might work but it was completely hopeless, couldn't get anything at all.

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bren's 50 posts GB
MikeP
sentiment_very_satisfiedPlatinum

8:26 PM

Bren
Twisting cores and sheilding together is *not* the correct way to connect three pieces of coaxial cable together - the impedance mismatch causes horrendous problems. You say the tuning was rather tricky - I'm not surprised as the tuners will have been compromised by the grossly incorrect cable joins.
Pointing two aerials at the same transmitter does *not* double the signal strength, it could in fact ruin reception of several channels! Aerials and the cabling of them do not work the way you seem to think. As you found out eventually!

I strongly suggest you borrow a decent book from the Library about how RF system work with particular attention to impedance matching, standing waves and lead lengths.

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MikeP's 2,932 posts GB
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