Full Freeview on the Midhurst (West Sussex, England) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 51.017,-0.701 or 51°1'2"N 0°42'4"W | GU28 9EA |
The symbol shows the location of the Midhurst (West Sussex, England) transmitter which serves 94,000 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 Midhurst (West Sussex, England) transmitter._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Midhurst (West Sussex, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which Freeview channels does the Midhurst 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.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
The Midhurst (West Sussex, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .
If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.
Which BBC and ITV regional news can I watch from the Midhurst transmitter?
BBC South Today 1.3m homes 4.9%
from Southampton SO14 7PU, 51km west-southwest (256°)
to BBC South region - 39 masts.
ITV Meridian News 0.9m homes 3.6%
from Whiteley PO15 7AD, 41km west-southwest (248°)
to ITV Meridian (South Coast) region - 39 masts.
All of lunch, weekend and 50% evening news is shared with all of Meridian plus Oxford
How will the Midhurst (West Sussex, England) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2012 | 2012-13 | 2013-18 | 2013-17 | 16 Oct 2019 | |||
C/D E | C/D E | C/D E | C/D E | C/D E T | C/D E T | K T | |||
C29 | SDN | ||||||||
C33 | ArqB | ||||||||
C34 | ArqA | ||||||||
C35 | D3+4 | ||||||||
C36 | BBCB | ||||||||
C48 | BBCA | ||||||||
C50tv_off | ArqB | ArqB | ArqB | ||||||
C54tv_off | SDN | SDN | |||||||
C55tv_off | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | BBCA | |||
C56tv_off | D3+4 | D3+4 | |||||||
C58tv_off | ITVwaves | ITVwaves | ITVwaves | BBCB | BBCB | BBCB | |||
C59tv_off | ArqA | ArqA | ArqA | ||||||
C61 | BBC1waves | BBC1waves | BBC1waves | D3+4 | |||||
C62 | SDN | ||||||||
C68 | C4waves | C4waves | C4waves |
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 29 Feb 12 and 14 Mar 12.
How do the old analogue and currrent digital signal levels compare?
Analogue 1-4 | 100kW | |
BBCA, D3+4, BBCB | (-7dB) 20kW | |
SDN, ARQA, ARQB | (-10dB) 10kW | |
Mux C* | (-16dB) 2.5kW | |
Mux 1*, Mux 2*, Mux A*, Mux B* | (-17dB) 2kW | |
Mux D* | (-20dB) 1000W |
Which companies have run the Channel 3 services in the Midhurst transmitter area
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Thursday, 26 April 2012
K
KMJ,Derby9:57 AM
Ann: A bit of information that you probably won't want to hear- Midhurst is planned to use C56 instead of C61 later this year as part of the clearance for 4G. With regard to Rowridge, the transmitter now transmits all muxes at 200kW with vertical polarisation, this is double the power normally used to cover the former analogue service area, so together with the polarisation difference you might now have a usable signal. It is important to use a group "A" aerial for Rowridge in difficult reception areas.
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A
Ann11:21 AM
So, we will lose even more channels. Great! I can't understand why they are using the same channels for adjacent transmitters.
We have a wide-band aerial, btw. Would that be ok for Rowridge?
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Ann: This has happened in other areas. People who could receive the full Freeview service before switchover (and therefore on low power) found that a relay transmitter adjacent to them which they do not use wiped out any chance of receiving the Commercial channels (which the relay doesn't transmit anyway) when it came on air at switchover.
As an example, Steyning transmitter relays Midhurst's Public Service channels and rebroadcasts them on the same channels as Midhurst uses for its Commercial services. So those living in places where they can receive directly from Midhurst but close to Steyning transmitter will probably find that they can no longer get the Commercial services from Midhurst.
The reason that it's like this is because of scarcity of frequencies and the requirement to fit it more services, albeit that they (the Commercial services) are quasi-national.
In the days of analogue, all transmitters had four channels each. Now the main ones that serve large areas have six and the "filler-in" relays have three.
Midhurst is one of those where the transmission power of the three Commercial channels are lower than that of the Public Service channels. The "re-use" of these channels in closer proximity to the re-use of the Public Service ones is probably the reason for this.
As KMJ,Derby says, a wideband aerial isn't the best for Rowridge in poor reception areas. The sensitivity of these aerials is lower at Group A (bottom third) channels which Rowridge uses exclusively. See these plots:
Gain (curves), Again
See also:
Rowridge Transmitter
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A
Ann12:54 PM
Thanks. There must be a great number of disgruntled viewers, then.
Why is C50 from Horndean not picked up, though - not that I want it, as it is D3+4 and not ArqB (as from Midhurst).
My husband wondered if an attenuator would be sufficient to stop the Horndean interference as it is only 5w. What do you think?
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Ann: You aren't picking up C50 from either because they are corrupting one another. Your aerial faces Midhurst and so picks up some of its C50 signal. However, even in that position, evidently, it picks up enough of Horndean's C50 to render either unuseable. In essence what you have coming down your aerial lead is the sum of both signals.
Remember that the aerial is most sensitive in the direction to which it faces, and is less so in other directions. However, it is probably in such a location that the unwanted signal is so strong that the lesser sensitivity in that direction (than forward facing) is still sufficient to pick up that signal.
I doubt that attenuation would help. The problem is that you would be reducing the level of everything coming down your aerial lead. So now have you a "large" poor quality/corrupted signal. Attenuating it will give you a "small" or "smaller" poor quality/corrupted signal.
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Saturday, 28 April 2012
T
TrevorT1:04 PM
@Dave Lindsay - Tuesday 27 March 2012 10:27AM
I have followed your advice about removing the aerial whilst tuning through unwanted channels and the result is fantastic. We receive all the correct channels perfectly. Thanks
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Sunday, 29 April 2012
J
John Hutchinson4:29 PM
Haslemere
We have a new wideband horizontal aerial installed in the loft under the switchover help scheme pointing at Midhurst with an excellent signal according to the installer. I cleared the tuners on my 2 digital TVs as recommended on 25 April and retuned them . I still receive fluctuating signal quality (0-6 out of 10)on the 3 multiplexes C50, 58 and 59 which makes them unwatchable.
What should I try next?
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John's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Monday, 30 April 2012
A
Andrew9:49 PM
Could someone please let me know when the power for ArqA, ArqB and SDN will be increased. It's very frustrating not being able to receive these FREE channels, missing out on great films etc.
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K
KMJ,Derby10:27 PM
Andrew: The COM muxes are now all transmitting at 10kW from Midhurst, which is full power for the current post DSO network.
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Tuesday, 1 May 2012
T
Tom,Horsham4:59 PM
Horsham
Sorry to contradict KMJ DERBY,still no Tx Channel 50 from Midhurst after several retunes over different days since APR 25th. Getting Tx Channel 28 from Crystal Palace though. RH121SY We have comummal aerial.
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Tom,Horsham's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
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