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Full Freeview on the Chesterfield (Derbyshire, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps53.283,-1.429 or 53°16'60"N 1°25'43"Wsa_postcodeS18 4BT

 

The symbol shows the location of the Chesterfield (Derbyshire, England) transmitter which serves 25,000 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 Chesterfield (Derbyshire, England) mast?

Chesterfield transmitter - Chesterfield transmitter: Possible effect on TV reception week commencing 06/12/2021 Screen may go black on some or all channels Digital tick


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

Which Freeview channels does the Chesterfield 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 -3dB
C31 (554.0MHz)230mDTG-3400W
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 -3dB
C37 (602.0MHz)230mDTG-3400W
Channel icons
3 ITV (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, 30 E4 +1, 35 ITV +1 (Yorkshire Emley Moor),

PSB3
BBCB
 V max
C29 (538.0MHz)230mDTG-6800W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 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 -3dB
C43 (650.0MHz)236mDTG-8400W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 Pop Player, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 V -3dB
C46 (674.0MHz)231mDTG-8400W
Channel icons
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, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 V -3dB
C40 (626.0MHz)231mDTG-8400W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 91 Classic Hits, 235 Aljazeera English, plus 18 others

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
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 0 Freeview HD channels?


The Chesterfield (Derbyshire, England) mast is not one of the extended Freeview HD (COM7 and COM8) transmitters, it does not provide these high definition (HD) channels: .

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 Chesterfield transmitter?

regional news image
BBC Look North (Leeds) 1.9m homes 7.4%
from Leeds LS9 8AH, 58km north (353°)
to BBC Yorkshire region - 56 masts.
regional news image
ITV Calendar 1.9m homes 7.4%
from Leeds LS3 1JS, 59km north (351°)
to ITV Yorkshire (Emley Moor) region - 59 masts.
All of lunch, weekend and 80% evening news is shared with Belmont region

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

1984-971997-981998-20112011-135 Feb 2020
A K TA K TA K TK TK T
C23ITVwavesITVwavesITVwavesD3+4
C26BBC2wavesBBC2wavesBBC2wavesBBCA
C29C4wavesC4wavesC4wavesBBCBBBCB
C31BBCA
C33BBC1wavesBBC1wavesBBC1waves
C37D3+4
C40ArqBArqB
C43SDNSDN
C46ArqAArqA

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 2kW
BBCB(-4dB) 800W
SDN, ARQA, ARQB, BBCA, D3+4(-7dB) 400W
Mux 1*, Mux 2*, Mux B*, Mux C*, Mux D*(-17dB) 40W
Mux A*(-20dB) 20W

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. Chesterfield 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
Monday, 6 December 2021
Transmitter engineering
sentiment_very_satisfiedOwner

6:09 AM

Chesterfield transmitter - Chesterfield transmitter: Possible effect on TV reception week commencing 06/12/2021 Screen may go black on some or all channels [DUK]

link to this comment
Transmitter engineering's 138,015 posts GB
Monday, 14 February 2022
G
Greg
9:43 PM

I have no C31, but I am receiving BBC SD (PSB1) on C47 @ 681.972MHz.
Can you explain this please, as this C47 and frequency appear not to exist!
Otherwise, everything is correct C29 C37 C40 C43 C46 (Plus C47)
Aerial is in the loft.
Chesterfield Transmitter does not transmit COM7, but all other frequencies are received OK.

Thanks

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Greg's 11 posts GB
G
Greg
10:01 PM
Chesterfield

Apologies for multiple posts!
Seems I am getting C47 from Emley Moor Transmitter ?
But all other frequencies from Chesterfield?
Thanks

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Greg's 11 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

11:32 PM

Greg:

Unfortunately posts can sometimes take an inordinate amount of time to appear on this site!
I can't find any faults listed fro Chesterfield and it's not currently listed for Planned Engineering, so why C31 was missing is a mystery at present.

Yes, C47 is BBCA/PSB1 from Emley. As you haven't given a full postcode I can't tell you at which compass bearing your aerial should point, but it should be vertical polarisation whereas Emley is horizontal. I'd check it hasn't tipped over or accidentally been disturbed.
If you retuned when the recent channel changes took place, there was weather related interference issues affecting some people and that might be how you accidentally got tuned to C47.

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Chris.SE's 3,034 posts GB
Tuesday, 15 February 2022
G
Greg
10:59 AM
Chesterfield

Thanks Chris
Postcode is S42 6LA, aerial is set vertical. I have a strong signal on all channels except C31 which is missing.
Then I have another strong signal on C47 which comes from Emley Moor which provides the missing signal C31.
Seems strange. Years ago aerial was horizontal and presumably picking up Emley, but when we went digital I found better reception vertical from Chesterfield. They are both in a very similar direction from here.
A 5G mast has been approved for Chesterfield, will this affect my C47?

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Greg's 11 posts GB
G
Greg
11:09 AM

Is there any possibility that Chesterfield is transmitting on C47 in place of C31 ?

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Greg's 11 posts GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

3:22 PM

Greg: Freeview's detailed coverage checker shows that you should get good reception from both Emley Moor and Chesterfield. The PSB1/BBCB multiplex is broadcast on C47 from Emley and C31 from Chesterfield. Interference from a 5G mast is unlikely unless it is very close by and in the same direction as the Chesterfield transmitter, and even then C31 is in the lower part of the UHF band and is almost the furthest away from the 700MHz band being used for 4G and 5G services of all the frequencies used at Chesterfield (only PSB3/BBCB on C29 uses a lower frequency).

link to this comment
StevensOnln1's 3,356 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

4:10 PM

Greg:

Compass bearing 356 degrees (almost due N) for Chesterfield, and 340 degrees (fractionally N of NNW) for Emley. Of course polarisations of received signals change change a bit due to local nearby objects, trees, buildings, walls, chimneys etc. (it's that sort of thing that can make RF a bit of a black art at times!).

Have you looked in your 800 LCNs for any BBCA mux channels. It will be dependant on set brand/model as to how you can view which UHF channels you are tuned to, and if for some reason your Emley signal was/is being picked up a bit stronger when you tuned, it may choose that instead of Chesterfield!
Predicted reception across your postcode shows a bit of variability on random checks, but Emley mainly seems to come out stronger with C55 being variable/poor to non-existent! But they are only predictions, things can be different on the spot!
Manual tuning would be the thing to do, for specific UHF channels.

It's not at all likely that Chesterfield is using C47 (apart from a lot of DUK/Freeview & OFCOM documentation being wrong) they'd have to operate as a SFN and they are listed by OFCOM as two different news regions (North for Emley, South for Chesterfield), so no, highly improbable IMHO.

As far as 5G is concerned, there's a bit of confusion as at present it's mainly operating on much higher frequencies. It could be 4G or 5G operating in the 700MHz band, it depends on the coverage needed to fall in line with OFCOM agreements. Whichever it is, it will depend on how close the mast is, and whether it's on the line-of-sight. Any very strong signal (including Freeview itself) can overload and desensitise a receiver's front end. The most likely impact (initially) would be C55 which in any event being a temporary mux is closing by end of June 2022 in line with the current licence. If the signal strength were to be strong enough to be affecting channels lower down (C48 and lower) you would most likely receive a postcard from restoretv.uk (was at800/DMSL) and be entitled to a free filter.

Ha, seems like I was typing my reply at the same time as StevensOnln1 ;)




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Chris.SE's 3,034 posts GB
G
Greg
8:15 PM
Chesterfield

Thanks both
The new 5G transmitter (upgraded from current 4G on that site) will be directly in line about halfway between me and the Chesterfield TV Transmitter. I am right on the edge of the coverage map for both Emley & Chesterfield. I hope C47 is not impacted by the 5G
So my (new) TV can tune to the best signal from either & both Emley & Chesterfield Transmitters ?
Just odd that I can't find C31.
The main thing is that I am covered, the HD channels news is from the wrong region, so I sometimes switch to the SD channels. I am unable to get COM7 (Quest HD) from Emley as it is much lower powered.

Without anything changing at my end, roughly a year or so (maybe more) ago I lost BBC1 from my old TV (presumably C31) and had to manually rearrange from channel 814 on my TV (presumably C47). The new TV stops at 800. Something has happened to prevent me receiving C31 from Chesterfield. I am glad the TV picks up C47 from Emley to replace it.

Many Thanks both for replies.


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Greg's 11 posts GB
G
Greg
8:32 PM
Chesterfield

Just to say I have scrolled back through the comments and found another post with the same problem.
C31 has strong signal strength but poor quality, that is what I found previously as the TV would autotune to it every time, meaning I had to manually sort it.
That post thinks interference from the mast at Waltham was to blame.

Regards

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Greg's 11 posts GB
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