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Full Freeview on the Emley Moor (Kirklees, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps53.611,-1.666 or 53°36'41"N 1°39'57"Wsa_postcodeHD8 9TF


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The symbol shows the location of the Emley Moor (Kirklees, England) transmitter which serves 1,550,000 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 Emley Moor (Kirklees, England) transmitter.



List by multiplex|List by channel number|List by channel name|See terrain plot

Which Freeview channels does the Emley Moor 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
C47 (682.0MHz)578mDTG-3174,000W
Channel icons
1 BBC One Yorkshire, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 13 others

PSB2
D3+4
 H max
C44 (658.0MHz)578mDTG-3174,000W
Channel icons
3 ITV (Yorkshire (Emley Moor micro region)), 4 Channel 4 North ads, 5 Channel 5 The North ads, 6 ITV 2, 13 Channel 4 +1 North ads, 14 More 4, 15 Film 4, 28 E4, 33 ITV +1 (Yorkshire Emley Moor),

PSB3
BBCB
 H max
C41 (634.0MHz)578mDTG-6174,000W
Channel icons
45 Film 4 +1, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Granada), 104 Channel 4 HD North ads, 105 BBC Three HD, 123 CBBC HD, plus 1 others

COM4
SDN
 H max
C51 (714.0MHz)566mDTG-8174,000W
Channel icons
10 ITV 3, 20 Drama, 26 ITV Be, 27 ITV 2 +1, 30 5*, 31 5USA, 34 ITV 3 +1, 37 Quest, 44 Channel 5 +1, 55 Channel 5 +24, 61 True Entertainment, 62 ITV 4 +1, 66 CBS Reality, 122 CITV, plus 20 others

COM5
ArqA
 H max
C52 (722.0MHz)565mDTG-8174,000W
Channel icons
 BBC Red Button 2, 11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Movie Mix, 41 Food Network, 42 Travel Channel, 46 Challenge, 48 Movies4Men, 63 Community Channel, 68 truTV, 69 truTV +1, 126 Tiny Pop, 132 Sky News, 242 Vintage TV, plus 16 others

COM6
ArqB
 H max
C48 (690.0MHz)565mDTG-8174,000W
Channel icons
18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 25 Dave ja vu, 38 Quest +1, 47 4seven, 58 BT Sport 1 (not free), 59 BT Sport 2 (not free), 70 CBS Action, 133 Al Jazeera English, 135 RT English , plus 18 others

LLS
 H -15.4dB
C56 (754.0MHz)565mDTG-125,000W
Channel icons
from 22nd September 2014: 8 Made in Leeds, 125 Pop, plus 1 others

com7
 H -5dB
C32 (562.0MHz)578mDTG-654,800W
Channel icons
71 Motors TV, 106 BBC Four HD, 107 BBC News HD, 108 Al Jazeera HD, 109 Community Channel HD, 110 Channel 4+1 HD, 111 4seven HD, 124 CBeebies HD, 134 Al Jazeera Arabic, plus 1 others

com8
 H -10.2dB
C34 (578.0MHz)578mDTG-616,700W
Channel icons
starts sometime during 2014/5:



DTG-3 64QAM 8K 2/324.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/340.2Mb/s DVB-T2 MPEG4
DTG-8 64QAM 8K 3/427.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/48.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Which BBC and ITV regional news can I watch from the Emley Moor transmitter?

regional news image
BBC Look North (Leeds) 1.9m homes 7.4%
from Leeds LS9 8AH, 22km north-northeast
to BBC Yorkshire region - 56 masts.
regional news image
ITV Calendar 1.9m homes 7.4%
from Leeds LS3 1JS, 22km north-northeast
to ITV Yorkshire (Emley Moor) region - 59 masts.
All of lunch, weekend and 80% evening news is shared with Belmont region

Are there any self-help relays?

Derwent BActive deflector74 homes
Derwent CActive deflector (second level)
Dunford BridgeActive deflector14 km S Huddersfield15 homes
Hmp LeedsTransposer30 homes
ThixendaleTransposer25 km ENE York40 homes

How will the Emley Moor (Kirklees, England) transmission frequencies change over time?

years1956~851984-971997-981998-20112011-132013-182013-18
aerial groupVHFB EB EB EB EB EW
C10ITV
600C32com7
C34com8
C37C5C5
C40-2
C41C4C4C4BBCBBBCBBBCB
C43-A
C44BBC1BBC1BBC1D3+4D3+4D3+4
C46-B
C47ITVITVITVBBCABBCABBCA
C48ArqBArqBArqB
700C49-D
C50-C
C51BBC2BBC2BBC2SDNSDNSDN
C52+1ArqAArqAArqA
C56LLS

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: possible 4G in 2019 more
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 7th September and 21st September 2011.
Click/touch here to read How do the old analogue and currrent digital signal levels compare?Analogue 1-5 870kWSDN, ARQA,
Click/touch here to read Other mapsEmley Moor (U) FreeviewEmley Moor (U) DABEmley Moor (U) AM/FMEmley Moor TV regionBBC
Click/touch here to read Which companies have run the Channel 3 services in the Emley Moor transmitter area May 1956-Jul 19
Click/touch here to read Is the transmitter output the same in all directions? Internet Explorer 9+, Firefox, Opera, Chrom

Comments
Friday, 30 January 2015
MikeP
10:16 PM

Dave Lindsay:

It's worth noting that if a passive splitter is used then all the outputs need to be connected to the input of a tuner all the time or have a 'dummy' load connected. This because a splitter is designed so that the impedances of inputs and outputs remain at 75 Ohms to ensure proper matching and that can only be maintained with all outputs having the correct 75 Ohms load connected. Leaving just one output unconnected will give rise to unexpected results and may cause partial or total loss of reception being reported.
That was a problem in analogue days and seems to be worse, or at least more critical, with digitally encoded signals - perhaps because of the way the decoding is performed.

link to this
MikeP's 610 posts Gold Gold GB
Dave Lindsay
10:34 PM

MikeP: Thanks. Impedance matching has always been one of those things I haven't got my head around.

Is it possible to buy 75 ohm load IEC male aerial plugs? I see F-connector ones are available, but this would require an adapter.

link to this
Dave Lindsay's 5,393 posts Platinum Platinum GB
Saturday, 31 January 2015
MikeP
9:17 PM

Dave Lindsay:

When I was working in TV Servicing during the analogue days we had male and female plugs with 75 Ohm loads built in, but I haven't seen them advertised for some years. Correct termination is crucial when dealing with RF. An aerial is designed to present a 75 Ohm impedance at the connections and the input to any TV tuner is designed to 'see' that 75 Ohms so that the full amount of signal passes into the first stage of the tuner, usually a tuned RF amplifier. If the tuner does not 'see' 75 Ohms, there is a significant loss of signal being transfered into the tuner. Added to that is that mismatching can give rise to internal signal reflections in the cabling, which can mean total loss of signal at the tuner input! And that loss could be frequency specific so you might get good signals at, say, 500 MHz but little or nothing at 510 MHz! Plus you can get some very strange effects due to standing waves in the cables! (Isn't RF fun to play with?!)

Passive splitters are always designed to maintain the impedance matching but only when all outputs and inputs are connected to 75 Ohm devices. Unplug any one and the matching is lost, often resulting in the mismatch effects I described above. Using Ohm's Law you can calculate the values of resistors needed for each leg of the splitter, remembering that all of them must be the same value else the signal is not shared equally.

You can make a terminating plug easily though, all you need is a plug of whatever gender you require and a 75 Ohm wire-ended resistor. One lead is connected to the inner and the other to the outer - simple but can be a bit fiddly. Depending on the actual construction of your chosen plug you may want to solder the wires to the centre pin and the star-shaped fitting that usually connects the outer sheathing of the coax cable to the outer body of the plug. The centre pin wire can usually be passed right down the bore of the pin so there is no risk of it shorting to the outer and it can be trimmed so it does not protrude beyond the pin.
When you assemble the terminating plug don't worry that the end of the resistor and its wire are a little visible, they are at 'ground' potential.

If though you don't want to fiddle with a plug and resitor, you could always get a 75 Ohm F terminator and an F-Coax adapter, such as the ones shown at http://www.softel-optic.com/p-488/IEC-Spiral-Connector-75-Ohm-Terminator.html (other sources are available).

Note that all references to 75 Ohms in this context is to the presented impedance of the device(s) at the rated RF and not to any DC resistance (an aerial often measures as a short circuit to DC!).

Does that help?

link to this
MikeP's 610 posts Gold Gold GB
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