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Freeview Light on the Porthtowan (Cornwall, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps50.285,-5.238 or 50°17'6"N 5°14'18"Wsa_postcodeTR4 8HD

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The symbol shows the location of the Porthtowan (Cornwall, England) transmitter which serves less than 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 Porthtowan (Cornwall, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Porthtowan 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 max
C27 (522.0MHz)78mDTG-316W
Channel icons
1 BBC One South West, 2 BBC Two England, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 17 others

PSB2
D3+4
 V max
C24 (498.0MHz)78mDTG-316W
Channel icons
3 ITV (West Country), 4 Channel 4 South ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 South ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 ITV +1 (West Country),

PSB3
BBCB
 V max
C21+ (474.2MHz)78mDTG-616W
Channel icons
45 Film4 +1, 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, 123 CBBC HD,



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 0 Freeview channels?


The Porthtowan (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 Porthtowan transmitter?

regional news image
BBC Spotlight 0.8m homes 2.9%
from Plymouth PL3 5BD, 80km east
to BBC South West region - 107 masts.
regional news image
ITV West Country News (West) 0.8m homes 2.9%
from Plymouth PL7 5BQ, 87km east
to ITV West Country region - 107 masts.
All of lunch, weekend and 50% evening news is shared with West Country (East)

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

years1984-971997-981998-20092009-132013-182013-18
aerial groupA KA KA KA KA KA K
C21BBC1BBC1BBC1+BBCB+BBCB+BBCB
C24ITVITVITVD3+4D3+4D3+4
C27BBC2BBC2BBC2BBCABBCABBCA
600C31C4C4C4

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: 4G from 30 June 2020more
600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 8th July and 5th August 2009.

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

BBCA, D3+4, BBCB 16W
Analogue 1-4(-3dB) 8W

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. Porthtowan 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
Tuesday, 6 September 2011
Transmitter engineering
9:37 AM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 08:39 today HD Digital TV Off Air from 08:39 today [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Transmitter engineering
11:39 AM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 08:39 today to 10:08 today HD Digital TV Off Air from 08:39 today to 10:08 today [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Wednesday, 7 September 2011
Transmitter engineering
4:31 AM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 08:39 yesterday to 10:08 yesterday HD Digital TV Off Air from 08:39 yesterday to 10:08 yesterday [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Thursday, 8 September 2011
Transmitter engineering
4:34 AM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 08:39 on 06 Sep to 10:08 on 06 Sep HD Digital TV Off Air from 08:39 on 06 Sep to 10:08 on 06 Sep [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Wednesday, 1 February 2012
Transmitter engineering
12:30 PM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 10:42 today to 10:43 today HD Digital TV Off Air from 10:42 today to 10:43 today [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Thursday, 2 February 2012
Transmitter engineering
4:30 AM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 10:42 yesterday to 10:43 yesterday HD Digital TV Off Air from 10:42 yesterday to 10:43 yesterday [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Friday, 3 February 2012
Transmitter engineering
4:30 AM

PORTHTOWAN transmitter - Freeview BBC Digital TV Off Air from 10:42 on 01 Feb to 10:43 on 01 Feb HD Digital TV Off Air from 10:42 on 01 Feb to 10:43 on 01 Feb [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Wednesday, 12 February 2014
Transmitter engineering
4:23 AM

PORTHTOWAN transmitter - Freeview: HD Digital TV Off Air from 22:57 yesterday to 23:02 yesterday. [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx
Thursday, 13 February 2014
Transmitter engineering
4:23 AM

PORTHTOWAN transmitter - Freeview: HD Digital TV Off Air from 22:57 on 11 Feb to 23:02 on 11 Feb. [BBC]

link to this
Transmitter engineering's 114,930 posts Owner Owner xx

Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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