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Full Freeview on the Hannington (Hampshire, England) transmitter

first published this on - UK Free TV
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The symbol shows the location of the Hannington (Hampshire, England) transmitter which serves 470,000 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 Hannington (Hampshire, England) mast?

Hannington transmitter - Hannington transmitter: Possible effect on TV reception week commencing 25/03/2024 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
_______

Which Freeview channels does the Hannington 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
 H max
C45 (666.0MHz)362mDTG-50,000W
Channel icons
1 BBC One (SD) South, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 17 others

PSB2
D3+4
 H max
C42 (642.0MHz)362mDTG-50,000W
Channel icons
3 ITV 1 (SD) (Meridian/Central (Thames Valley micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Meridian south coast),

PSB3
BBCB
 H max
C39+ (618.2MHz)362mDTG-50,000W
Channel icons
46 5SELECT, 101 BBC One HD South, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H -3dB
C40 (626.0MHz)362mDTG-825,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

COM5
ArqA
 H -3dB
C43 (650.0MHz)359mDTG-825,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

COM6
ArqB
 H -3dB
C46 (674.0MHz)359mDTG-825,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

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

regional news image
BBC South Today 1.3m homes 4.9%
from Southampton SO14 7PU, 46km south-southwest (194°)
to BBC South region - 39 masts.
regional news image
ITV Meridian News 0.9m homes 3.4%
from Whiteley PO15 7AD, 48km south (179°)
to ITV Meridian/Central (Thames Valley) region - 15 masts.
Thames Valley opt-out from Meridian (South). All of lunch, weekend and 50% evening news is shared with all of Meridian+Oxford

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

1984-971997-981998-20122012-1318 Apr 2018
EEEB E TW T
C32com7
C34com8
C35C5wavesC5waves
C39BBC1wavesBBC1wavesBBC1waves+BBCBBBCB
C40SDN
C41SDN
C42ITVwavesITVwavesITVwavesD3+4D3+4
C43ArqA
C44ArqA
C45BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C46ArqB
C47ArqB
C51tv_off_local
C55tv_offcom7tv_off
C56tv_offCOM8tv_off
C66C4wavesC4wavesC4waves

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 8 Feb 12 and 22 Feb 12.

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

Analogue 1-4 250kW
Analogue 5(-6.2dB) 60kW
BBCA, D3+4, BBCB(-7dB) 50kW
com7(-8.3dB) 36.7kW
com8(-9.8dB) 26.2kW
SDN, ARQA, ARQB(-10dB) 25kW
Mux 1*, Mux 2*, Mux A*, Mux B*(-11dB) 20kW
Mux C*, Mux D*(-14dB) 10kW

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

Aug 1958-Jan 1992Southern Television
Jan 1982-Dec 1992Television South (TVS)
Jan 1993-Dec 2006Meridian
Dec 2006-Feb 2009ITV Thames Valley
Feb 2009-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. Hannington 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
Saturday, 7 April 2012
K
KMJ,Derby
sentiment_satisfiedGold

9:01 PM

trevor: Since 4th April 2012 analogue ITV1 from Crystal Palace is transmitted on C33 instead of BBC2. Digital Mux BBCA is transmitted on C23 instead of analogue ITV1. This means that your analogue TV now has ITV1 on button 2 and nothing on button 3.

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KMJ,Derby's 1,811 posts GB flag
Monday, 9 April 2012
S
shen shkavvie noel penop
6:17 PM

hello im havving trouble in c41 no citv for my children and theay get realy peed of help

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shen shkavvie noel penop's 1 post GB flag
A
Adrian
sentiment_satisfiedBronze

7:37 PM

Shen:

You posted at 6:17PM - CITV only broadcasts from 6AM to 6PM.
Have you followed the re-tune instructions here below? :

My Freeview box has no EPG, is blank on FIVE, ITV3, ITV4, ITV2+1, has no sound or the channel line up is wrong | ukfree.tv - independent free digital TV advice
(RG415DA)

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Adrian's 56 posts GB flag
Tuesday, 10 April 2012
Transmitter engineering
sentiment_very_satisfiedOwner

10:29 AM

HANNINGTON transmitter - Over the next week Hannington main transmitter: TV (digital) working normally, Radio (analogue) Possible weak signal, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,822 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

10:29 AM

HANNINGTON transmitter - Over the next week Hannington main transmitter: TV (digital) working normally, Radio (analogue) Possible weak signal, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,822 posts xx flag
Saturday, 14 April 2012
T
tim welby
sentiment_satisfiedBronze

11:18 AM

Wondering if anyone can explain something. I have been looking at the levels for the different groups of channels. We are receiving PBS1 perfectly- my question is why are we not receiving PBS2 at all? According to the information at the top on levels PBS2 should be at 50,000 already - ie the same signal strength as PBS1.

Just to confuse things more we are picking up Coms 5 (not as well as PBS1 but alright) and that is only broadcasting on 10,000.

Why are we picking up channels broadcasting at 10,000 but failing to pick up some of the channels at 50,000. This may all be resolved on the final switch over date but just seems strange. Any explanation?

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tim welby's 40 posts GB flag
Dave Lindsay
sentiment_very_satisfiedPlatinum

4:18 PM

tim welby: I believe that the above is not entirely correct.

The Digital UK Tradeview predictor says that the positive offset is on PSB3 (i.e. C39+) and not PSB2. Furthermore, COM4 does not have a positive offset either. Briantist, you might like to look at this.

The Ofcom document, apparently updated January 2012, also says that Hannington's channels are not offset except PSB3:
http://stakeholders.ofcom….pdf

Also, COM5 is on its full DSO power of 25kW. COM4 and COM6 remain on low power until 18th April when the Guildford transmitter relinquishes use of these channels.


Tim, before I started, having simply looked at the channels at the top of this page, I was going to suggest that your problem may be that your receiver can't cope with the positive offset employed by PSB2, but I don't believe that this is the case.

I have been reading through your earlier postings that you made since switchover. You seem to have been having alot of issues since switchover.

As Mike Dimmick explained ( Freeview on Hannington TV transmitter | ukfree.tv - independent free digital TV advice ) the difference between pre-switchover signal strength and post-switchover strength in your direction is huge. You may have had an aerial installed that was sensitive enough to pick up the pre-DSO signals, but which is now drawing in too much signal and overloading your tuner.

The reason for the marked difference is due to the fact that pre-DSO signals were considerably weaker in the general direction of Guildford (the "Guildford notch") in which you reside. This was so as to protect those using Guildford transmitter against interference as the two shared channels. So you have gone from having low low low signals to high ones.

Have you tried fitting an attenuator?

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Dave Lindsay's 5,724 posts GB flag
T
tim welby
sentiment_satisfiedBronze

8:29 PM

Thanks for your thoughts.

Pre first switch over date we didnt get any signal on any digital channel at all- so there has obviously been a huge improvement. However as you rightly point out, while some of our issues since switchover can probably be attributed to issues to do with Hannington, there are probably some problems within our system as well.

We are waiting till the completion of switch over before we worry about changing our system in any way. After this point we will look into an attenuator and other things.

I was looking up the positive offset (my background is pure mathematics not anything technical) is there something I should do to deal with that.

In my post it was really something that I found interesting that channels I got perfectly (the bbc multiplex) and PSB2 claimed to be the same power yet one comes through perfectly and the other not at all. I hadn't considered that the information at the top could be wrong- you may well be right. It was really a matter of interest rather than anything else.

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tim welby's 40 posts GB flag
Sunday, 15 April 2012
Malcolm H
10:12 AM
Hook

tim welby:

Me too. I am also going to leave things alone until CP DSO is complete. We seem to be on a similar bearing from Hannington, which also seems to be co-linear with Guildford, and our symptoms seem to be similar to yours. I prematurely thought it was all over but last Monday Hannington dropped out completely (all six), and yesterday both Hannington and CP PSBs were pixellating, both with painful audio interference (not good mid-Grand National...)

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Malcolm H's 10 posts GB flag
Malcolm's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
T
tim welby
sentiment_satisfiedBronze

11:36 PM

Malcolm H

Great to know that it is not our system (at least not only our system to blame).

We have found that the PBS1 multiplex (basically BBC) is fine at pretty much all the time. Looking at the levels, it is no wonder that some of the others are having problems being as they are at such a lot lower signal strength.

Thanks for posting, am hoping that means it will not cost to get this working right

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tim welby's 40 posts GB flag
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