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Freeview Light on the Saltdean (Brighton and Hove, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps50.814,-0.031 or 50°48'49"N 0°1'52"Wsa_postcodeBN2 8HN

 

The symbol shows the location of the Saltdean (Brighton and Hove, England) transmitter which serves 1,500 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 Saltdean (Brighton and Hove, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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Which Freeview channels does the Saltdean 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 -1.9dB
C41 (634.0MHz)64mDTG-326W
Channel icons
1 BBC One (SD) South East, 2 BBC Two England, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 15 others

PSB2
D3+4
 V max
C44 (658.0MHz)64mDTG-340W
Channel icons
3 ITV (SD) (Meridian (South Coast micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5 (SD), 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 24 ITV4, 33 ITV +1 (Meridian south coast),

PSB3
BBCB
 V max
C47 (682.0MHz)64mDTG-640W
Channel icons
101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 204 CBBC HD, plus 1 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
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 58 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected channels
the effected channels

The Saltdean (Brighton and Hove, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 4seven HD, 5SELECT, 5STAR, 5STAR +1, 5USA, 5USA +1, Aljazeera English, BBC Four HD, BBC News HD, Blaze, Blaze +1, CBeebies HD, CBS Drama, CBS Justice +1, CBS Reality, CBS Reality +1, Challenge, Channel 4+1 HD, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama, E4 +1, Film4 +1, Food Network, Forces TV, FreeSports HD, HGTV, Horror Channel, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Together TV +1, More4 +1, NOW 80s, Now 90s, Paramount Network +1, PBS America +1, pick, Pick +1, Quest +1, Quest Red, Quest Red +1, Really, RT HD, Shopping Quarter , Sky News, Smithsonian Channel, Sony Movies Action, Talking Pictures TV, TCC, Together, Yesterday.

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 Saltdean transmitter?

regional news image
BBC South East Today 0.8m homes 3.2%
from Tunbridge Wells TN1 1QQ, 41km north-northeast (28°)
to BBC South East region - 45 masts.
regional news image
ITV Meridian News 0.9m homes 3.6%
from Whiteley PO15 7AD, 86km west (274°)
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 Saltdean (Brighton and Hove, England) transmission frequencies change over time?

1984-971997-981998-20122012-132013-182013-1716 Oct 2019
EEEC/D E TC/D E TC/D E TB E K T
C41BBCA
C44D3+4
C47C4wavesC4wavesC4wavesBBCB
C51tv_offBBC1wavesBBC1wavesBBC1waves
C54tv_offD3+4D3+4D3+4
C55tv_offITVwavesITVwavesITVwavesBBCABBCABBCA
C58tv_offBBCBBBCBBBCB
C66BBC2wavesBBC2wavesBBC2waves

tv_off Being removed from Freeview (for 5G use) by 30 June 2020 - 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 7 Mar 12 and 21 Mar 12.

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

D3+4, BBCB 40W
BBCA(-1.9dB) 26W
Analogue 1-4(-4.6dB) 14W

Which companies have run the Channel 3 services in the Whitehawk Hill transmitter area

Aug 1958-Jan 1992Southern Television
Jan 1982-Dec 1992Television South (TVS)
Jan 1993-Feb 2004Meridian
Feb 2004-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. Saltdean 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, 9 April 2012
A
A
12:28 PM
Brighton

That is, the RX12

link to this comment
A's 13 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

2:34 PM

A: On any Yagi-type aerial, the dipole is immediately in front of the reflector. On this one it must be contained within the plastic box. The cable always connects to the dipole (perhaps via some other electronics first).

There is a rod on the other side of the boom from that plastic box, but I assume that's an oddly-positioned director - a plain dipole is always split in half, electrically.

link to this comment
Mike Dimmick's 2,486 posts GB
Tuesday, 10 April 2012
Transmitter engineering
sentiment_very_satisfiedOwner

10:29 AM

SALTDEAN transmitter - Over the next week Saltdean relay: TV (digital) Service Shutdowns, Radio (analogue) working normally, no digital radio. [DUK]

link to this comment
Transmitter engineering's 130,012 posts xx
A
A
12:08 PM

Thanks for the response.

I thought that the dipole was under the plastic cover, but I have been told by many people that this is not the case!

link to this comment
A's 13 posts GB
D
David George
1:33 PM
Brighton

Given that Saltdean is now using one less Channel than before - why can't it broadcast the Commercial mux cf its Whitehawk parent?

link to this comment
David George's 6 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

2:50 PM

David George: The simple answer is money. The commercial multiplex operators don't want to pay the extra money to install and run equipment at all the relay sites. The PSBs are paying more than double the amount the COMs are paying, to reach only about 8.5% more of the population.

The relay sites may be using one fewer channel than before, but the main sites are using two more than before (at full or near-full power). In addition, the government have taken away one-third of the available spectrum in order to reuse it for other services (e.g. mobile phones, wireless broadband). Previously channels 21-68 [48 channels] were used for TV, channels 31-38 are the 'lower released spectrum' or 600 MHz band [8 channels] and channels 61-68 the 'upper released spectrum' or 800 MHz band [8 channels]. That's 16 out of 48 channels no longer used for TV.

The commercial operators were asked at the outset of switchover planning whether they wanted to transmit from any more sites, and they said no. Therefore the frequency plans do not allow space for the COMs to be added later.

C47 (formerly Saltdean C4) has gone to Heathfield, which loses two of its analogue channels in the upper released spectrum. C51 (formerly Saltdean BBC One) has gone to Whitehawk Hill, which lost one analogue channel. C66 is released.

The other issue is feeding the signals to the transmitter. Relay transmitters rebroadcast the signal they receive over-the-air from their parent. It's easiest to do this if they rebroadcast on a different frequency. There are only a very few Active Deflectors, where the same channels are used. The main transmitters are 'line fed' - the data to broadcast arrives via fibre-optic cable. Renting sufficient fibre-optic capacity is very expensive so only done where off-air relay is impossible.

Digital TV does support 'single frequency networks', where multiple transmitters use the same frequency. They have to be very closely synchronized and emit exactly the same signal. Off-air relays *can* be used but again they're very expensive, and they add a processing delay. The window for transmissions arriving from different transmitters is pretty short already.

Even if the COMs decided to add more sites, Saltdean would be way down the list as it is only predicted to serve 1,500 households. That's 1,500 households who are predicted not to be able to get at least one of the PSBs reliably enough from a transmitter that does provide the COMs. Digital UK's prediction is that you are one of these households (the PSBs are shown as meeting the standard from Saltdean, but not from Heathfield, your best source for the COMs).

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Mike Dimmick's 2,486 posts GB
Wednesday, 11 April 2012
D
David George
8:17 PM
Brighton

Mike Dimmick: Thanks for the information. I hadn't realised how involved this all was.


link to this comment
David George's 6 posts GB
Thursday, 12 April 2012
F
Frank
12:04 PM

what does 64m datum mean?

link to this comment
Frank's 1 post GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:18 PM

Frank: It means "64 metres above Ordnance Datum (OD)". Thus the transmission antennas are 64 metres above OD.

See Ordnance Datum - Wikipedia, the free encyclopedia

link to this comment
Dave Lindsay's 5,724 posts GB
Wednesday, 18 April 2012
R
R.J. Walker
4:20 AM

I am thinking of setting up two aerials pointing to two different transmitters.

I will connect the two cables to a distribution amplifier using a Y piece.

Will the joint siganals be decodable at the set(I use a iDTV).

I am thinking of using a Y piece because I do not have a diplexer.

Thanks

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R.J. Walker's 1 post GB
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