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Full Freeview on the Sheffield (Sheffield, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps53.379,-1.514 or 53°22'44"N 1°30'52"Wsa_postcodeS10 5GL

 

The symbol shows the location of the Sheffield (Sheffield, England) transmitter which serves 120,000 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.

Are there any planned engineering works or unexpected transmitter faults on the Sheffield (Sheffield, England) mast?

Sheffield transmitter - Sheffield transmitter: Possible effect on TV reception week commencing 18/09/2023 Pixelation or flickering on some or all channels Digital tick


Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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Which Freeview channels does the Sheffield 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 -0.4dB
C27 (522.0MHz)290mDTG-1,000W
Channel icons
1 BBC One (SD) Yorkshire, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 16 others

PSB2
D3+4
 V -0.4dB
C24 (498.0MHz)290mDTG-1,000W
Channel icons
3 ITV 1 (SD) (Yorkshire (Emley Moor micro region)), 4 Channel 4 (SD) North ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 North ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Yorkshire Emley Moor),

PSB3
BBCB
 V -0.4dB
C21+ (474.2MHz)290mDTG-1,000W
Channel icons
46 5SELECT, 101 BBC One HD Yorkshire, 102 BBC Two HD England, 103 ITV 1 HD (ITV Granada), 104 Channel 4 HD North ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 V -0.4dB
C42 (642.0MHz)287mDTG-81,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 Great! Movies Action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 69 HorrorXtra, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 16 others

COM5
ArqA
 V -0.4dB
C45 (666.0MHz)287mDTG-81,000W
Channel icons
 Smithsonian Channel, 11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 70 Quest +1, 71 That's 60s, 74 Yesterday +1, 75 That's 70s, 233 Sky News, plus 9 others

COM6
ArqB
 V -0.4dB
C39+ (618.2MHz)287mDTG-81,000W
Channel icons
 Quest Red +1,  Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 73 HobbyMaker, 76 That's 80s, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 90 Together TV +1, 235 Al Jazeera Eng, plus 19 others

LS
 V -10.4dB
C35 (586.0MHz)287mDTG-12100W
Channel icons
from 22nd December 2014: 7 Sheffield Live,

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)

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

regional news image
BBC Look North (Leeds) 1.9m homes 7.4%
from Leeds LS9 8AH, 47km north (359°)
to BBC Yorkshire region - 56 masts.
regional news image
ITV Calendar 1.9m homes 7.4%
from Leeds LS3 1JS, 47km north (356°)
to ITV Yorkshire (Emley Moor) region - 59 masts.
All of lunch, weekend and 80% evening news is shared with Belmont region

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

1969-80s1984-971997-981998-20112011-135 Feb 2020
VHFA K TWWK TW T
C1BBCtvwaves
C6ITVwaves
C21C4wavesC4wavesC4waves+BBCBBBCB
C24ITVwavesITVwavesITVwavesD3+4D3+4
C27BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C31BBC1wavesBBC1wavesBBC1wavescom7
C35_local
C37com8
C39+ArqBArqB
C42SDNSDN
C45ArqAArqA
C55tv_offLS
C67C5wavesC5waves

tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - 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 10 Aug 11 and 24 Aug 11.

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

Analogue 1-4 5kW
Analogue 5(-3dB) 2.5kW
com8(-6.6dB) 1.1kW
SDN, ARQA, ARQB, com7, BBCA, D3+4, BBCB(-7dB) 1000W
Mux 1*, Mux 2*, Mux A*, Mux B*, LS(-17dB) 100W
Mux C*, Mux D*(-20dB) 50W

Which companies have run the Channel 3 services in the Emley Moor transmitter area

May 1956-Jul 1968Granada Television†
May 1956-Jul 1968Associated British Corporation◊
Jul 1968-Oct 2002Yorkshire Television
Oct 2002-Dec 2014ITV
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only.

Comments
Friday, 26 August 2011
Transmitter engineering
sentiment_very_satisfiedOwner

4:33 AM

SHEFFIELD transmitter - Freeview BBC Digital TV Off Air; DSO related from 00:44 on 24 Aug to 01:50 on 24 Aug [BBC]

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Transmitter engineering's 143,924 posts xx flag
S
Simon
9:46 PM
Sheffield

Hi Mike,
Further to my question a couple of days ago (when I thought I was using Emley Moor), I have worked out that I'm receiving my signal from the Sheffield transmitter. My aerial is vertical but I'm only receiving PSB 1 and 2.
Signal strength is still very strong. You've been very helpful so far, thanks
S5 9LS

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Simon's 2 posts GB flag
Simon's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
Saturday, 27 August 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

1:31 AM

Simon: Did you have digital before switchover started? Did you get Channel 5 analogue clearly?

If the answer to either of those was 'no', you may still have a Group A aerial, which was all that was needed for the four main analogue channels. It's sufficient for the PSB multiplexes, but for the commercial multiplexes, you need a wideband aerial. You would have needed a wideband for pre-switchover digital signals, and for Channel 5. See 'All about aerials' for information on the groups.

A Group A aerial should have a red plastic cap on the end of the aerial boom; a wideband would be black. It may not be very easy to see this, though. If the aerial is more than 15 years old it's likely to be Group A.

People *very* close to the transmitter might still get enough signal in the B-group channels to be usable even with a Group A aerial.

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Mike Dimmick's 2,486 posts GB flag
K
Kathryn
12:25 PM

Hi there,

I wonder if anyone can help. I recently moved house in the S10 Crookes area. I've literally moved 3 streets away from my old house. In my old house I got all HD channels fine. I then moved house and got HD channels for about 5 days until the end of July when one night it just said "no signal" on all of the HD channels. I suspected it to be caused by the messing around with the transmitter so I retuned and then lost all trace of the HD channels. I thought we'd probably get them back after all the work on the transmitter was completed and the switchover was complete but we still can't get any HD channels today.

I have a new (4 month old) LG 37 inch Full HD LED tv. The aerial is in the loft and it's a rented house so I can't really go up there and fiddle about.

I've tried searching to see if anyone else has had the same problem but no one appears to have said anything on any of the forums (that I can find).

I can pretty much see the transmitter from my house so I don't understand why I can't get the HD channels and after an expensive move I can't really afford to pay for any engineers to come out so any advice would be most appreciated.

Many thanks.

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Kathryn's 1 post GB flag
J
jb38
sentiment_very_satisfiedPlatinum

2:50 PM

Kathryn: Without knowing the full post code its a bit difficult to assess where you are receiving your signal from, as indications are that you can get first class reception from either Emley Moor or your local Sheffield transmitter, the latter showing "0" distance on an S10 code, but whether or not that is where you are receiving your signal from isn't for certain.

To check on this, if you carry out a signal check on BBC1 Emley would be Mux Ch52 with its HD Mux being on Ch39, whereas Sheffield BBC1 is Mux Ch27 and its HD Mux being Ch21.

If you hadn't have previously had HD reception I would have been suspicious about the capabilities of your TV, but if its manual states in the tuner spec section DVB-T2 capable, then that can be excluded.

The other great possibility is that the signal is too strong, so "if" you have a set top aerial around carry out a re-tune with that temporarily installed, of course trying it out beforehand to make sure you can actually get BBC1 / ITV etc using it, if HD is received via the set top then you will have to purchase a simple attenuator to place in line with your aerial socket.


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jb38's 7,179 posts GB flag
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

5:00 PM

Kathryn: if you got HD channels before the 24th of August, you got them from Emley Moor, not the Sheffield transmitter. If the new house has an aerial pointing at Sheffield - with elements going up-and-down rather than side-to-side - then you were lucky to get the HD channels at all, as the aerial is designed to reject signals from the other polarization and from a different direction.

The Sheffield relay transmitter exists because Emley Moor doesn't cover the city fully. Check what your neighbours are using, or wait for the Emley Moor switchover to complete on the 21st of September.

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Mike Dimmick's 2,486 posts GB flag
J
jb38
sentiment_very_satisfiedPlatinum

9:18 PM
Sheffield

Kathryn: Just a further bit of info regarding your reception. It seems to be that the further along Crookes you travel the better the reception gets, as a test code of S10 1UA (15 Crookes) gave Emley reception as only being possible on three Mux channels, whereas moving upwards along Crookes through codes of 1UD (181 Crookes) showed 4 Mux channels as good with two zero, then from 214 - 257 Crookes (codes 1TG / 1TE and 1TF) revealed perfect reception being indicated from all six multiplex channels.

So as you will see what you receive very much depends on where you are located within relatively short distances, although no matter where it might be reception is always indicated as being good from the Sheffield transmitter, so try a test using manual tuning on the Sheffield HD Mux channel mentioned, that being Ch21.

That said though, "if" your aerial has been set up for Emley then it will be pointing a little too much to the North at about 337 degrees, whereas using all of Crookes as a reference it should be from 208 / 247 degrees for Sheffield, so with the possibility of the direction angle being out coupled to the polarity (V /H)) being wrong then this would have a negative effect on your signal strength received from Sheffield, but one never knows at such as close range, as these errors have much less of an effect as such.

By the way Emley Moor HD on Mux Ch39 is on low power until September 21st, so even although it does show as being good (reasonably anyway) for reception on a number of test codes, I wouldn't really have too much faith in it.


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jb38's 7,179 posts GB flag
jb38's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
K
Kathryn
9:48 PM
Sheffield

Hi

Thank you all for such good information. I was just wondering myself today whether or not we were actually on Emley Moor transmitter as I can today still receive analogue channels. However, I did receive notices via the tv teletext thing saying I had to retune and these notices came up on both the 10th and 24th so I had assumed we were on the Sheffield transmitter.

I am not particularly technological so will need to dig out my tv manual to do a manual retune of the HD channels.

I will also try using an indoor aerial and see if that helps too and will report back asap!

I live in S10 1SS. Previously we were in S10 1RE. We received HD channels fine at S10 1RE and fine at S10 1SS for several days after we moved in, then we lost them around the 25th July.

I was wondering if it could be a problem with my HD freeview box (built into the TV), but then would I not receive any of the channels if that had a fault with it? Just to lose the HD channels seems a bit too selective for it to be a hardware fault but any advice in this regard would be most appreciated (the TV should still be under guarantee).

Many thanks for your help.


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Kathryn's 2 posts GB flag
Kathryn's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
Sunday, 28 August 2011
J
jb38
sentiment_very_satisfiedPlatinum

8:29 AM

Kathryn: Just carried out a check using the post code you provided, indications being that of superior reception being possible to anything previous seen with any of the other codes, this being a good thing in one respect but problem causing in another if tuning using auto-tune, the reason for this being that Belmont now comes into the equation.

The problem is that auto-tuning always starts scanning from the bottom of the entire channel range, slowly travelling upwards locking onto each Mux channel found and storing the programmes from it, then once done travelling on to the next doing likewise on so on. Because you appear to be able to receive Sheffield, Emley Moor, Belmont and possibly two others, this means that when carrying out an auto-tune your TV is liable to store the odd Mux channel from anyone of these other stations if its Mux channel is strong enough for the box to lock onto, storing the stations from it rather than just keeping on the station that you require, being Sheffield.

Lots of people get this problem, although some sets have the option on their tuning menu of being able to select scanning a particular area, but this can be iffy in practice and not always as good as it might appear, so its always best to carry out manual tuning in these circumstances, starting with say BBC1 and using the add channels facility for each additional Mux Channel of the station required.

In your case Sheffield uses Mux Ch's 27 - 24 - 21 - 42 - 45 - 63.

As far as HD is concerned, you might well have possibly been receiving HD from Emley, but for some reason or another it dropped out for a short spell and you just haven't managed to recover it as yet during auto-tuning, possibly because of its lower power not proving enough signal for your TV to lock onto, especially "if" your aerial is pointing at Sheffield.

Anyway, if you see "Set up" on your menu that's where you will (or should) see the options for tuning, that said though, I am aware that some boxes do not allow manual tuning, but best try and find your user manual.

Maybe you could indicate the model number of TV you have.



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jb38's 7,179 posts GB flag
J
jb38
sentiment_very_satisfiedPlatinum

9:19 AM

Kathryn: Just a little addition, as HD was your main issue I would concentrate on trying manual tuning purely on the HD Mux channels, storing anything received.

This can be done without scrubbing anything already stored using the "add channels" facility in your tuning menu.

Sheffield HD - Mux Ch21 / Emley Moor HD - Mux Ch39 / Belmont HD - Mux Ch28.

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jb38's 7,179 posts GB flag
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