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Full Freeview on the Redruth (Cornwall, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps50.210,-5.239 or 50°12'37"N 5°14'20"Wsa_postcodeTR16 6QZ

 

The symbol shows the location of the Redruth (Cornwall, England) transmitter which serves 97,000 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 Redruth (Cornwall, England) mast?

Redruth transmitter - Redruth 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 Redruth 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
C44+ (658.2MHz)400mDTG-20,000W
Channel icons
1 BBC One (SD) South West, 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
C41+ (634.2MHz)400mDTG-20,000W
Channel icons
3 ITV 1 (SD) (West Country), 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 (West Country),

PSB3
BBCB
 H max
C47 (682.0MHz)400mDTG-20,000W
Channel icons
46 5SELECT, 101 BBC One HD South West, 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
C48 (690.0MHz)400mDTG-810,000W
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
C33 (570.0MHz)400mDTG-810,000W
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
C32 (562.0MHz)400mDTG-810,000W
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)

The Redruth (Cornwall, 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 Redruth transmitter?

regional news image
BBC Spotlight 0.8m homes 2.9%
from Plymouth PL3 5BD, 82km east-northeast (78°)
to BBC South West region - 107 masts.
regional news image
ITV West Country News (West) 0.8m homes 2.9%
from Plymouth PL7 5BQ, 89km east (79°)
to ITV West Country region - 107 masts.
All of lunch, weekend and 50% evening news is shared with West Country (East)

Are there any self-help relays?

CoverackTransposer15 km S Falmouth70 homes

How will the Redruth (Cornwall, England) transmission frequencies change over time?

1950s-80s1984-971997-981998-20092009-131 May 2019
VHFB E TB E TB E TB E TK T
C1BBCtvwaves
C32ArqB
C33ArqA
C37C5wavesC5waves
C41ITVwavesITVwavesITVwaves+D3+4D3+4
C44BBC2wavesBBC2wavesBBC2waves+BBCABBCA
C47C4wavesC4wavesC4wavesBBCBBBCB
C48SDNSDN
C51tv_offBBC1wavesBBC1wavesBBC1wavesArqB
C52tv_offArqA

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 Jul 09 and 5 Aug 09.

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
Analogue 5(-15.2dB) 3kW
Mux D*(-16.6dB) 2.2kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*(-18dB) 1.6kW

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

Apr 1961-Dec 1981Westward Television
Jan 1982-Dec 1992Television South West (TSW)
Jan 1993-Feb 2004Westcountry Television
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. Redruth 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.

Is the transmitter output the same in all directions?

Radiation patterns withheld

Comments
Friday, 31 July 2020
C
Chris.SE
sentiment_very_satisfiedPlatinum

10:36 PM

J. KENYON:

I take it you mean yesterday, Thursday 30th.
There is some variable intermittent "tropospheric ducting" around at present - https://www.bbc.co.uk/rec….jpg affecting different areas at different times & not all channels are necessarily affected at the same time or at all.
It was particularly strong yesterday over parts of Cornwall, Devon and the South Coast.

Retuning when you have no signal (for whatever reason) is generally a bad idea as it just clears correct tuning and may indeed pick up signals from distant transmitters which disappear again as conditions change.
You'll need to retune again as conditions stabilise, unfortunately you may have to try several times.
(There are no reported transmitter faults and it's not listed for Planned Engineering).

link to this comment
Chris.SE's 4,102 posts GB flag
Monday, 28 September 2020
R
Royston Dower
7:05 PM

Hi, I have very poor reception on channel 33 multiplex from the Redruth transmitter, all the other multiplexes are fine all approx the same with at least 90% signal strength and near 100% signal quality,
Any ideas would be gratefully received

link to this comment
Royston Dower's 1 post GB flag
Tuesday, 29 September 2020
C
Chris.SE
sentiment_very_satisfiedPlatinum

2:09 AM

Royston Dower:

There doesn't appear to be any currently listed faults for the Redruth transmitter although there was one on the 24th where the transmitter was briefly off air due to a fault in the early hours.

There has been some "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation.
It's been affecting various parts of the UK at different times and there is currently still some that may be affecting reception in parts of mainly the south of the UK. It can be quite variable, come and go within seconds, minutes or hours. It doesn't necessarily affect all multiplexes at the same time or at all. At times it can wipe out your reception.
You are not advised to retune when you have lost signals or they are badly pixellated as this usually just clears correct tuning and you have to repeat a retune when signals are stable. You may have to repeat a retune several times if signals are still disrupted.

If you have continuing problems please post back with more detail and a full postcode so that we can look at predicted reception at your location.

link to this comment
Chris.SE's 4,102 posts GB flag
Wednesday, 11 November 2020
Transmitter engineering
sentiment_very_satisfiedOwner

12:12 PM

REDRUTH transmitter - AM: Off the air due to essential engineering from 11 Nov 11:16. . [BBC]

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Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

4:26 PM

REDRUTH transmitter - AM: Off the air due to essential engineering from 11 Nov 11:16 until 11 Nov 13:37. . [BBC]

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Transmitter engineering's 149,799 posts xx flag
Friday, 20 November 2020
Transmitter engineering
sentiment_very_satisfiedOwner

11:14 AM

REDRUTH transmitter - AM: Off the air due to essential engineering from 20 Nov 10:06. . [BBC]

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Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

12:39 PM

REDRUTH transmitter - AM: Off the air due to essential engineering from 20 Nov 10:06 until 20 Nov 11:39. . [BBC]

link to this comment
Transmitter engineering's 149,799 posts xx flag
Tuesday, 24 November 2020
Transmitter engineering
sentiment_very_satisfiedOwner

10:29 AM

REDRUTH transmitter - AM: Off the air due to essential engineering from 24 Nov 10:06. Off the air due to essential engineering from 20 Nov 10:06 until 20 Nov 11:39. . [BBC]

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Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

6:11 PM

REDRUTH transmitter - AM: Off the air due to essential engineering from 24 Nov 10:06 until 24 Nov 15:42. Off the air due to essential engineering from 20 Nov 10:06 until 20 Nov 11:39. . [BBC]

link to this comment
Transmitter engineering's 149,799 posts xx flag
Wednesday, 25 November 2020
Transmitter engineering
sentiment_very_satisfiedOwner

1:31 PM

REDRUTH transmitter - AM: Off the air due to essential engineering from 24 Nov 10:06 until 24 Nov 15:42. . [BBC]

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Transmitter engineering's 149,799 posts xx flag
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