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Full Freeview on the Darvel (East Ayrshire, Scotland) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps55.579,-4.291 or 55°34'45"N 4°17'26"Wsa_postcodeKA16 9LS

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The symbol shows the location of the Darvel (East Ayrshire, Scotland) transmitter which serves 150,000 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 Darvel (East Ayrshire, Scotland) transmitter.

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

Which Freeview channels does the Darvel 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
C22- (481.8MHz)446mDTG-320,000W
Channel icons
1 BBC One Scotland, 2 BBC Two Scotland, 7 BBC Alba, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 14 others

PSB2
D3+4
 H max
C25 (506.0MHz)446mDTG-320,000W
Channel icons
3 STV (STV Central (Glasgow micro region)), 4 Channel 4 Scotland ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 Scotland ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 STV+1 (STV Edinburgh),

PSB3
BBCB
 H max
C28 (530.0MHz)446mDTG-620,000W
Channel icons
45 Film4 +1, 101 BBC One HD Scotland, 102 BBC Two HD (England), 103 STV HD (STV West), 104 Channel 4 HD Scotland ads, 105 Channel 5 HD, 123 CBBC HD,

COM4
SDN
 H -3dB
C23 (490.0MHz)446mDTG-810,000W
Channel icons
10 ITV3, 20 Drama, 21 5 USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 54 My5, 58 ITV Be +1, 61 True Entertainment, 62 ITV4 +1, 66 CBS Reality, 70 Horror Channel, 83 Blaze, 84 Blaze +1, 122 CITV, plus 25 others

COM5
ArqA
 H -3dB
C26 (514.0MHz)446mDTG-810,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Movie Mix, 41 Food Network, 46 Challenge, 48 Movies4Men, 68 truTV, 69 Tru TV +1, 72 YourTV, 126 Tiny Pop, 132 Sky News, plus 12 others

COM6
ArqB
 H -3dB
C29 (538.0MHz)446mDTG-810,000W
Channel icons
 Al Jazeera English,  BT Sport 1 (not free), 18 4Music, 19 Yesterday, 25 Home, 31 Spike, 38 Quest +1, 42 Travel Channel, 47 4seven, 59 BT Showcase (not free), 64 CBS Action, 73 YourTV +1, 79 Dave ja vu, plus 23 others

com7
 H -4.3dB
C31 (554.0MHz)446mDTG-67,500W
Channel icons
 Buz Muzik, 56 5USA +1, 57 VIVA, 67 CBS Reality +1, 71 CBS Drama, 81 Talking Pictures TV, 82 Vintage TV, 86 VIVA +1, 87 Keep It Country, 106 BBC Four HD, 107 BBC News HD, 108 Al Jazeera Eng HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, 124 CBeebies HD, plus 4 others

com8
 H -3.9dB
C37 (602.0MHz)446mDTG-68,190W
Channel icons
55 5STAR+1, 63 Community, 91 Frontrunner, plus 3 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
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 Darvel transmitter?

regional news image
BBC Reporting Scotland 2.4m homes 9.2%
from Glasgow G51 1DA, 31km north
to BBC Scotland region - 230 masts.
regional news image
STV News 1.3m homes 4.8%
from Glasgow G51 1PQ, 31km north
to STV Central (Glasgow) region - 94 masts.

Are there any self-help relays?

Craigie GardensTransposer1 homes 90 caravans
InversnaidActive deflector35 km N Dumbarton8 homes Hotel caravan park

How will the Darvel (East Ayrshire, Scotland) transmission frequencies change over time?

years1984-971997-981998-20112011-132013-182013-182019-
aerial groupA KA KA KA KA KA KA K
C22-1-BBCA-BBCA-BBCASDN
C23ITVITVITVSDNSDNSDNBBCB
C25-2D3+4D3+4D3+4ArqA
C26BBC2BBC2BBC2ArqAArqAArqAD3+4
C28-BBBCBBBCBBBCBArqB
C29C4C4C4ArqBArqBArqB
C30+C_local_local_localBBCA
600C31com7
C32-A
C33BBC1BBC1BBC1
C34D
C35C5C5
C37com8

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 11th May and 25th May 2011.

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

Analogue 1-5 100kW
BBCA, D3+4, BBCB(-7dB) 20kW
SDN, ARQA, ARQB(-10dB) 10kW
com8(-10.9dB) 8.19kW
com7(-11.2dB) 7.5kW
Mux 1*, Mux 2*, Mux A*, Mux B*(-14dB) 4kW
Mux C*, Mux D*(-17dB) 2kW

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

Aug 1957-Jun 1997Scottish Television
Jun 1997-Dec 2014STV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Darvel 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
Monday, 12 September 2016
C
Craig
1:46 PM Ayr

Help. I have had digital TV for 10 years with no issues, over the last week my TV's has started to have problems, I have reset them both and retuned but to no avail.

My Post Code is KA7 3LJ which according to the above information should have a good signal from rge transmitter.

link to this
Craig's 1 post GB
Craig's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
M
MikeB
2:32 PM

Craig: What do you mean by 'problems'. If you mean signal breakup, look at signal strength - your only 24km from the transmitter. If they are both suffering low signal strength, check the common factor - bad connection from aerial perhaps?

link to this
MikeB's 1,938 posts Gold Gold GB
Wednesday, 12 October 2016
D
David Johnston
11:26 AM Prestwick

KA9 2DY Aerial on roof Distribution amp.

Noticed last night not receiving some hd channels.
Re-Tuned tv youview box etc all to no avail

Noticed on the darvel site the missing channels 45 101 102 103 104 105 123 602 and 603 all are transmitted
via the same mux channel psb3 bbcb.
Previously all working all working now these channels are not being picked up by the channel scan
Dont think problem lies at home as all other channels above and below are workink well
Would appreciate some thoughts.

David

link to this
David Johnston's 3 posts GB
David's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
S
StevensOnln1
3:03 PM

David Johnston: Take a look at the signal strenths on the channels that are working, you'll probably find they are very high (i.e. 90% plus). Having too much signal can cause the tuner to become overloaded, with HD channels being particularly susceptible to this problem. If your amplifier has a gain control, try turning it down, otherwise you may need to fit an attenuator to reduce your signal strength a bit. Take a look at the article titled "Too much of a good thing" on this website for more information.

As you've already retuned, you'll probably find the missing channels have been deleted from your program guide, so you'll have to rescan again to add them back after making adjustments. In future, do not retune if you loose signal as retuning will never cause a channel which is already tuned in correctly to reappear.

link to this
StevensOnln1's 252 posts Silver Silver GB
Thursday, 13 October 2016
D
David Johnston
9:15 AM

StevensOnln1: all the channels were fine with nothing being done to the amp have TV out in garage with freeview box running of an aerial inside the garage and no channel 45 film 4+1 which runs off the same mux channel and isn't an HD channel have feeling that it is a mux problem or some sort of interference any help greatly appreciated

link to this
David Johnston's 3 posts GB
S
StevensOnln1
10:54 AM

David Johnston: I agree that it is a problem affecting the PSB3 mux, however there are no faults with the transmitter so it has to be something within your system. Have you investigated my earlier suggestion of too much signal strength?

link to this
StevensOnln1's 252 posts Silver Silver GB
Friday, 14 October 2016
D
David Johnston
4:24 PM

StevensOnln1: The amp that I put in is from Labgear and for some strange reason all their connections are now
F plugs so think amp is a last resort at the moment. Was up early this morning checked telly and low and behold
channels have reappeared though they disappeared as the day progressed this would indicate a lack of signal strength as propagation conditions are better at night and signals travel farther. Also noticed channel 32 movie mix very pixelatted checked signal strength which was good though quality was poor. Your correct in the fact that the rest of the channel sig strengths are quite high. The mux transmitting frequency of 530 Mhz lies approx in the middle of Darvels transmitting range starting at 480 up to 602 Mhz so an actual fault in the amp is unlikely.
Curiouser and curiouser

link to this
David Johnston's 3 posts GB
S
StevensOnln1
5:04 PM

David Johnston: I wasn't suggesting that there was a fault with your amplifier, which would be very unlikely anyway given that other muxes are fine. I was suggesting that you are experiencing some signal lift which is causing too much signal going in to the tuner and overloading it, which DVB-T2 transmissions are particularly susceptible to and that turning down the amplifier a little (no disconnection required) might resolve the problem. Take a look at the article titled "Too much of a good thing" on this site for explanation.

link to this
StevensOnln1's 252 posts Silver Silver GB
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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.

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