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Full Freeview on the Hannington (Hampshire, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.308,-1.245 or 51°18'28"N 1°14'43"Wsa_postcodeRG26 5UD


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 27/05/2024 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.

 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

 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),

 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

 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 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

 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

 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), 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

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.

Friday, 18 May 2018
11:13 AM

Hi all, I am still unable to get the Com 7 mux. All other channels I get at 100 Strength and 100 Quality, but the Com 7 mux comes in at 70 Strength and 10-15 quality, so keeps dropping out and is unwatchable. I did notice a few days ago it seemed to be working well and I had BBC News HD at 70 Quality, but its back down at 10-15 again. It seems to me a problem with the Hannington Transmission as I had no problem getting all the channels before the latest 'Change' on April 18th. I now have to watch the standard definition BBC and RT News but as Aljazeera is only HD I can no longer watch it. With me positioned at RG7 3EP I am only 10 miles from Hannington, and am over 200ft above it, so I should not really have any issue whatsoever.

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Dre's 7 posts GB flag
Dre's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage

2:38 PM


One of the problems you reveal is that your signal is too strong. It must not be 100% but between 60% and 85%, no less and definitely no higher. It is good if the quality is close to 100%, but not if the signal strength is.

You might have to consider having a high gain wideband aerial, which will naturally have a narrower acceptance angle, and having it carefully aimed so it gets the signals from the wnted transmitter well but not those from the unwanted transmitter. It is a 'trial and error' process best done by measuring the two sets of signals as the aerial is swung towards or away from the transmitters, until the unwanted one is weak but the wanted one is stronger - it may not be full strength but anything within the range given abive will be fine.

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MikeP's 3,056 posts GB flag
Monday, 21 May 2018
11:20 PM

js: Thanks for the link - what does that mean? I assume it means that with the SFN I'm not likely to ever be able to receive those multiplexes?

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Darren's 8 posts GB flag
Tuesday, 22 May 2018

4:12 AM

Basically what js has tried to explain is that with SFNs, there are areas where the transmitters' signals will interfere with one another, which might (and note I said might) mean you cannot get satisfactory reception of them. But according to the Digital UK site for your postcode, you shouldn't have a real problem until sometime between Apr-Jun2019, thereafter it goes downhill !!!

That said, there's a couple of things for you to try/look at.

First, from the Digital UK data for your postcode, there are some mobile phone transmitters very close to you, and these may be giving you some interference affecting channels 55/56. I would contact the AT800 advice line on 0808 13 13 800 and see if you can get a filter which may help.

Second, TV aerials are directional BUT they do pick up reduced signals from the rear and also certain angles on the side (side-lobes). Sometimes a bit of careful alignment can reduce the pickup of unwanted signals, but it may also be that you may need a better quality directional aerial. Do you know anything about the aerial you have (make/model) other than it being wideband?

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Chris.SE's 4,205 posts GB flag

4:25 AM


Looking at both your posts, I tend to agree with MikeP that there's a good possibility you may have too much signal, although I don't agree with him on the preciseness of the 85-100% signal strength. What may be 100% on one receiver may be somewhat less on another, BUT it should be used as a guide, so if you have 100% signal and somewhat less than 100% quality - as you have - then that's one of the first things you should look at.
At 10 miles from the transmitter, you really should not need any amplifier, so I would look at trying to by pass it to see what happens to your signals.

However, I also note from the Digital UK map of your postcode, there are some mobile phone masts quite close and in the same line of sight as the transmitter. These could be providing some interference to channels 55/56 especially with your amplifier! So you should also contact the AT800 advice line on 0808 13 13 800 and see if you can get a filter which may help.

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Chris.SE's 4,205 posts GB flag

12:55 PM

Darren: What it means is the Crystal Palace signal has to be regarded as noise.

It would be possible to increase the guard interval to 1/8 - at the cost of about 2 Mbps.

That would enable transmitters up to 134.4 km apart to function as a SFN.

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js's 827 posts GB flag
Thursday, 24 May 2018
Adrian Jones

12:09 AM

Just lost all channels from Hannington, except That's Thames Valley. What's going on??

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Adrian Jones's 56 posts GB flag
Michael Purches
12:21 AM

Adrian Jones: Same here in Abingdon OX14 1NB: all Hannington gone except Thames Valley, still receiving from Oxford. Same question as Adrian: what's going on?

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Michael Purches's 1 post GB flag
Michael's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Transmitter engineering

6:05 AM

HANNINGTON transmitter - Freeview: BBC Digital TV Off Air; DSO related from 00:02 today to 04:30 today, HD Digital TV Off Air; DSO related from 00:02 today to 04:30 today. [BBC]

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Transmitter engineering's 151,731 posts xx flag

12:29 PM

Adrian Jones & Michael Purches: According to the post which has appears below yours, there was engineering work taking place at Hannington overnight.

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StevensOnln1's 3,639 posts GB flag
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