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Full Freeview on the Carmel (Carmarthenshire, Wales) transmitter

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

51.818,-4.067 or 51°49'5"N 4°4'3"W

SA14 7NA

The symbol shows the location of the Carmel (Carmarthenshire, Wales) transmitter which serves 72,000 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 Carmel (Carmarthenshire, Wales) transmitter.

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

_______

Which Freeview channels does the Carmel 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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C23- (489.8MHz)	411m	DTG-	20,000W
	1 BBC One (SD) Wales, 2 BBC Two Wales, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 14 others
PSB2 D3+4	H max	C26 (514.0MHz)	411m	DTG-	20,000W
	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 (Wales), 71 That’s 60s,
PSB3 BBCB	H max	C29 (538.0MHz)	411m	DTG-	20,000W
	46 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD Wales, 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 110 Channel 4 HD (Wales), 204 CBBC HD, 205 CBeebies HD, plus 1 others 66 TBN UK,
COM4 SDN	H -3dB	C33 (570.0MHz)	411m	DTG-8	10,000W
	E4 (Wales), 20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others
COM5 ArqA	H -3dB	C36 (594.0MHz)	411m	DTG-8	10,000W
	11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others
COM6 ArqB	H -3dB	C48 (690.0MHz)	411m	DTG-8	10,000W
	12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 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 Carmel (Carmarthenshire, Wales) 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 Carmel transmitter?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 68km east-southeast (122°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 68km southeast (127°)
to ITV Wales region - 206 masts.

Are there any self-help relays?

Abergorlech	Active deflector	Dyfed	5 homes
Cwmere	Active deflector	11 km NE Aberystwyth	10 homes

How will the Carmel (Carmarthenshire, Wales) transmission frequencies change over time?

	1984-97	1997-98	1998-2009	2009-13	2013-18	2013-17	17 Jul 2019
	C/D E	C/D E	C/D E	C/D E	C/D E T	C/D E T	W T
C23							BBCA
C26							D3+4
C29							BBCB
C33							SDN
C36							ArqA
C48							ArqB
C49_{tv_off}					ArqB	ArqB
C53_{tv_off}	C4_waves	C4_waves	C4_waves	D3+4	D3+4	D3+4
C54_{tv_off}				SDN	SDN	SDN
C55_{tv_off}				_local	_local	_local	_local
C57_{tv_off}	BBC1_waves	BBC1_waves	BBC1_waves	BBCB	BBCB	BBCB
C58_{tv_off}				ArqA	ArqA	ArqA
C60_{tv_off}	ITV_waves	ITV_waves	ITV_waves		-BBCA	-BBCA
C61				ArqB
C63	BBC2_waves	BBC2_waves	BBC2_waves

_{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 26 Aug 09 and 23 Sep 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
Mux A*	(-13dB) 5kW
Mux 1, Mux 2, Mux B*	(-16dB) 2.5kW
Mux C, Mux D	(-20dB) 1000W

Local transmitter maps

Carmel Freeview Carmel DAB Carmel AM/FM Carmel TV region BBC Wales Wales

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

Jan 1958-Jul 1968	Television Wales and the West
Jul 1968-Feb 2004	Harlech Television
Feb 2004-Dec 2014	ITV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV Daybreak•

• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Carmel 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

Thursday, 18 July 2019

MikeP

_{sentiment_very_satisfied}Platinum

7:53 PM

Chris,SE:

As he has 'line of sight' of the , I wanted to see how close he is. I used to live in the East midlands and had 'line of sight' of the transmitter - but was 21 miles away! Last year we rented a cottage in the North York Moors and had 'line of sight' of the transmitter - 27 miles away! But 'line of sight' could also be interpreted as being a mile or so, in which case he could be too close and have too much . That's why it is important to have an indication of the distance from the source.

So please encourage people asking for our advice to provide a full post code so we can get a clear of the situation.

link to this comment

MikeP's 3,056 posts GB flag

Derek Brabrook
9:17 PM
Carmarthen

MikeP: SA31 3NL

its definitely line of sight I was originally pointed at
but is closer and has an unbroken line
of sight, I profiled it.

The is fed into a Johansson 6600 profiler which
Has had all muxs levelled to within acceptable levels
And then fed to the distribution

The media server is fed off a 30db atm

link to this comment

Derek Brabrook's 8 posts GB flag

Derek's: D's Freeview map D's terrain plot D's frequency data D's Freeview Detailed Coverage

Derek Brabrook
9:28 PM

The other mux's are working fine good

but 690Mhz (48) is still dead

I'll give them a ring tomorrow

link to this comment

Derek Brabrook's 8 posts GB flag

Friday, 19 July 2019

Chris.SE

_{sentiment_very_satisfied}Platinum

4:51 AM

MikeP:

I think the rest of the content of Derek's post(s) shows he very much knows what he's on about, the issue seems to be COM6.

Derek Brabrook:

I assume that you've checked COM6 with that neighbour again, I'd have thought more people would have been complaining if it was still off-air, but then again ......

link to this comment

Chris.SE's 4,393 posts GB flag

Roger Mellie
7:06 AM

Derek Brabrook: Ring who exactly? Your line of sight to a major with absolutely no one else complaining, yet somehow its not your equipment?

You do realise that the transmitter owner has a 24/7 control room monitoring every transmitter constantly? If the COM6 was off air they would know and would fix it. But its not. Maybe there is an issue very local to you, but its certainly not a transmitter problem.

Perhaps your few hundred quids worth of consumer kit is actually at fault? rather than the several million pounds worth of professional, multi-redundant hardware operated by the broadcasters?

link to this comment

Roger Mellie's 1 post GB flag

Chris.SE

_{sentiment_very_satisfied}Platinum

10:24 AM

Roger Mellie:

There's no need to be that rude, he didn't say it wasn't his equipment, but I did suggest he checked with that neighbour again, perhaps you should have read the earlier posts.
I assume you are picking up COM6 OK? What's your postcode?
It's always possible that there's some peculiar issue which hasn't yet been discovered, although I'm doubting that, the may not be radiating correctly in all directions for example. I have known faults that haven't been reported, yet get fixed in not a very timely manner!

link to this comment

Chris.SE's 4,393 posts GB flag

Derek Brabrook
1:46 PM

Roger Mellie:

"You do realise that the owner has a 24/7 control room monitoring every transmitter constantly? If the COM6 was off air they would know and would fix it. But its not. Maybe there is an issue very local to you, but its certainly not a transmitter problem."

they use telemetry to monitor I've known broadcast engineers forget to plug a portion of the array in which causes a massive SWR on the front end, shutting down that array module or simply mix up the array pattern profile and turn off a portion of the array, we could be sitting in a massive dead spot.

By the way ..........

I am a fully qualified electronics engineer in both and digital
I am also fully qualified in computing, cryptography and security
I am also fully qualified in communications.

I am more than comfortable in all technical matters regarding communications,mux's,frequencies,propagation,dual path, multipath, refraction etc, however it's transmitted. I was initially trained in the Royal Corps of Signals in RF, and long haul communications, in frequencies ranging from 1Mhz to many Ghz, using a bewildering array of different methods and antennae.

and if that wasn't enough when I came out of the Royal Corps of Signals I got my first
job as a broadcast engineer.

---------- > I think I know when a channel/mux is down <----------

Now I'm not saying it's down for EVERYONE but it's down where I am and in the locality

and yes my neighbour and two others since are still complaining they've lost channel 48 com6
and I have tried again to re-tune their TV's last night and can confirm channel 48 is dead as a dodo on their
TV's

I've pushed the issue up to the Radio and Television investigation service as freeview and arqiva
were about as much use as a chocolate teapot.

T 490000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # Wales
T 642167000 8MHz 3/4 NONE QAM64 8k 1/32 NONE
T 602000000 8MHz 3/4 NONE QPSK 8k 1/32 NONE
T 754000000 8MHz 3/4 NONE QPSK 8k 1/32 NONE
T 546000000 8MHz 3/4 NONE QPSK 8k 1/32 NONE
T2 0 AUTO AUTO NONE AUTO AUTO AUTO NONE
T2 0 AUTO AUTO NONE AUTO AUTO AUTO NONE
T 514000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # Wales
T 570000000 8MHz 3/4 NONE QAM64 8k 1/32 NONE # Wales
T 594000000 8MHz 3/4 NONE QAM64 8k 1/32 NONE # Wales

(as you can see there is no 690Mhz if there was it would have been detected and scanned)

so considering I have full and strong signal on ALL of the other muxs/channels, what possible reason could there be for it NOT to detect channel 48 ? other than it's not getting to mine or my neighbours antennas ???

do we ALL have the same fault just on channel 48 on all our dissimilar TV's and equipment and we ALL developed
the exact same fault to stop us from receiving channel 48 directly after the work on the 17th July 2019 ?????

or shall we resort to Occams Razor ?

w_scan -x -c GB > dvbscan.txt
w_scan -x -c GB
w_scan version 20170107 (compiled for DVB API 5.10)
using settings for UNITED KINGDOM
DVB aerial
DVB-T GB
scan type TERRESTRIAL, channellist 6
output format initial tuning data
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
/dev/dvb/adapter0/frontend0 -> TERRESTRIAL "Silicon Labs Si2168": very good :-))

Using TERRESTRIAL frontend (adapter /dev/dvb/adapter0/frontend0)
-_-_-_-_ Getting frontend capabilities-_-_-_-_
Using DVB API 5.11
frontend 'Silicon Labs Si2168' supports
DVB-T2
INVERSION_AUTO
QAM_AUTO
TRANSMISSION_MODE_AUTO
GUARD_INTERVAL_AUTO
HIERARCHY_AUTO
FEC_AUTO
BANDWIDTH_AUTO not supported, trying 6/7/8 MHz.
FREQ (42.00MHz ... 870.00MHz)
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
Scanning DVB-T...
Scanning 8MHz frequencies...
474000: (time: 00:05.875)
474167: (time: 00:07.911)
473833: (time: 00:10.031)
482000: (time: 00:12.071)
482167: (time: 00:14.115)
481833: (time: 00:16.163)
490000: (time: 00:18.211) signal ok: QAM_AUTO f = 490000 kHz I999B8C999D999T999G999Y999 (0:0:0)
QAM_AUTO f = 490000 kHz I999B8C999D999T999G999Y999 (0:0:0) : updating transport_stream_id: -> (0:0:4222)
QAM_AUTO f = 490000 kHz I999B8C999D999T999G999Y999 (0:0:4222) : updating network_id -> (0:12368:4222)
new transponder: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544)) 0x405A
already known: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544)), but not found by pids
QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544) : updating tp ids -> (9018:12368:24640)
new transponder: (QPSK f = 602000 kHz I999B8C34D0T8G32Y0 (9018:12368:32771)) 0x405A
new transponder: (QPSK f = 754000 kHz I999B8C34D0T8G32Y0 (9018:12368:32807)) 0x405A
new transponder: (QPSK f = 546000 kHz I999B8C34D0T8G32Y0 (9018:12368:32814)) 0x405A
new transponder: (QAM_AUTO f = 0 kHz I999B999C999D0T999G999Y0P0 (9018:12368:40960)) 0x4004
new transponder: (QAM_AUTO f = 0 kHz I999B999C999D0T999G999Y0P0 (9018:12368:45056)) 0x4004
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
updating transponder:
(QAM_AUTO f = 490000 kHz I999B8C999D999T999G999Y999 (0:12368:4222)) 0x0000
to (QAM_64 f = 490000 kHz I999B8C23D0T8G32Y0 (9018:12368:4222)) 0x405A
already known: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:24640)), but not found by pids
QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:24640) : updating tp ids -> (9018:12368:8205)
updating transponder:
(QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:8205)) 0x405A
to (QAM_64 f = 0 kHz I999B8C23D0T8G32Y0 (9018:12368:8205)) 0x405A
already known: (QAM_64 f = 0 kHz I999B8C23D0T8G32Y0 (9018:12368:8205)), but not found by pids
QAM_64 f = 0 kHz I999B8C23D0T8G32Y0 (9018:12368:8205) : updating tp ids -> (9018:12368:12295)
updating transponder:
(QAM_64 f = 0 kHz I999B8C23D0T8G32Y0 (9018:12368:12295)) 0x405A
to (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:12295)) 0x405A
new transponder: (QAM_AUTO f = 0 kHz I999B999C999D0T999G999Y0P0 (9018:12368:16574)) 0x4004
490167: skipped (already known transponder)
489833: skipped (already known transponder)
498000: (time: 00:26.559)
498167: (time: 00:28.615)
497833: (time: 00:30.787)
506000: (time: 00:32.835)
506167: (time: 00:34.883)
505833: (time: 00:36.931)
514000: (time: 00:38.979) signal ok: QAM_AUTO f = 514000 kHz I999B8C999D999T999G999Y999 (0:0:0)
QAM_AUTO f = 514000 kHz I999B8C999D999T999G999Y999 (0:0:0) : updating transport_stream_id: -> (0:0:8205)
QAM_AUTO f = 514000 kHz I999B8C999D999T999G999Y999 (0:0:8205) : updating network_id -> (0:12368:8205)
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
updating transponder:
(QAM_AUTO f = 514000 kHz I999B8C999D999T999G999Y999 (0:12368:8205)) 0x0000
to (QAM_64 f = 514000 kHz I999B8C23D0T8G32Y0 (9018:12368:8205)) 0x405A
already known: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:12295)), but not found by pids
QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:12295) : updating tp ids -> (9018:12368:20544)
already known: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544)), but not found by pids
QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544) : updating tp ids -> (9018:12368:24640)
514167: skipped (already known transponder)
513833: skipped (already known transponder)
522000: (time: 00:45.555)
522167: (time: 00:47.563)
521833: (time: 00:49.603)
530000: (time: 00:51.651)
530167: (time: 00:53.699)
529833: (time: 00:55.747)
538000: (time: 00:57.795)
538167: (time: 00:59.843)
537833: (time: 01:01.891)
546000: skipped (already known transponder)
546167: skipped (already known transponder)
545833: skipped (already known transponder)
554000: (time: 01:03.939)
554167: (time: 01:05.991)
553833: (time: 01:08.111)
562000: (time: 01:10.151)
562167: (time: 01:12.199)
561833: (time: 01:14.243)
570000: (time: 01:16.291) signal ok: QAM_AUTO f = 570000 kHz I999B8C999D999T999G999Y999 (0:0:0)
QAM_AUTO f = 570000 kHz I999B8C999D999T999G999Y999 (0:0:0) : updating transport_stream_id: -> (0:0:12295)
QAM_AUTO f = 570000 kHz I999B8C999D999T999G999Y999 (0:0:12295) : updating network_id -> (0:12368:12295)
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
updating transponder:
(QAM_AUTO f = 570000 kHz I999B8C999D999T999G999Y999 (0:12368:12295)) 0x0000
to (QAM_64 f = 570000 kHz I999B8C34D0T8G32Y0 (9018:12368:12295)) 0x405A
already known: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:24640)), but not found by pids
QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:24640) : updating tp ids -> (9018:12368:20544)
already known: (QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544)), but not found by pids
QAM_64 f = 0 kHz I999B8C34D0T8G32Y0 (9018:12368:20544) : updating tp ids -> (9018:12368:24640)
570167: skipped (already known transponder)
569833: skipped (already known transponder)
578000: (time: 01:26.303)
578167: (time: 01:28.355)
577833: (time: 01:30.407)
586000: (time: 01:32.527)
586167: (time: 01:34.567)
585833: (time: 01:36.739)
594000: (time: 01:38.787) signal ok: QAM_AUTO f = 594000 kHz I999B8C999D999T999G999Y999 (0:0:0)
QAM_AUTO f = 594000 kHz I999B8C999D999T999G999Y999 (0:0:0) : updating transport_stream_id: -> (0:0:20544)
QAM_AUTO f = 594000 kHz I999B8C999D999T999G999Y999 (0:0:20544) : updating network_id -> (0:12368:20544)
updating transponder:
(QAM_AUTO f = 594000 kHz I999B8C999D999T999G999Y999 (0:12368:20544)) 0x0000
to (QAM_64 f = 594000 kHz I999B8C34D0T8G32Y0 (9018:12368:20544)) 0x405A
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
594167: skipped (already known transponder)
593833: skipped (already known transponder)
602000: skipped (already known transponder)
602167: skipped (already known transponder)
601833: skipped (already known transponder)
610000: (time: 01:47.183)
610167: (time: 01:49.219)
609833: (time: 01:51.267)
618000: (time: 01:53.315)
618167: (time: 01:55.363)
617833: (time: 01:57.411)
626000: (time: 01:59.459)
626167: (time: 02:01.507)
625833: (time: 02:03.555)
634000: (time: 02:05.603)
634167: (time: 02:07.650)
633833: (time: 02:09.698)
642000: (time: 02:11.746)
642167: (time: 02:13.794)
641833: (time: 02:15.842)
650000: (time: 02:17.890)
650167: (time: 02:19.938)
649833: (time: 02:21.986)
658000: (time: 02:24.034)
658167: (time: 02:26.082)
657833: (time: 02:28.130)
666000: (time: 02:30.178)
666167: (time: 02:32.230)
665833: (time: 02:34.402)
674000: (time: 02:36.450)
674167: (time: 02:38.498)
673833: (time: 02:40.554)
682000: (time: 02:42.722)
682167: (time: 02:44.770)
681833: (time: 02:46.818)
690000: (time: 02:48.866)
690167: (time: 02:53.538)
689833: (time: 02:59.462)
698000: (time: 03:04.022)
698167: (time: 03:06.030)
697833: (time: 03:08.066)
706000: (time: 03:10.114)
706167: (time: 03:12.162)
705833: (time: 03:14.210)
714000: (time: 03:16.258)
714167: (time: 03:18.306)
713833: (time: 03:20.354)
722000: (time: 03:22.402)
722167: (time: 03:24.450)
721833: (time: 03:26.498)
730000: (time: 03:28.546)
730167: (time: 03:30.594)
729833: (time: 03:32.642)
738000: (time: 03:34.694)
738167: (time: 03:36.866)
737833: (time: 03:38.918)
746000: (time: 03:41.038)
746167: (time: 03:43.082)
745833: (time: 03:45.250)
754000: skipped (already known transponder)
754167: skipped (already known transponder)
753833: skipped (already known transponder)
762000: (time: 03:47.302)
762167: (time: 03:49.474)
761833: (time: 03:51.522)
770000: (time: 03:53.570)
770167: (time: 03:55.618)
769833: (time: 03:57.666)
778000: (time: 03:59.718)
778167: (time: 04:01.838)
777833: (time: 04:03.882)
786000: (time: 04:06.050)
786167: (time: 04:08.102)
785833: (time: 04:10.149)
794000: (time: 04:12.197)
794167: (time: 04:14.245)
793833: (time: 04:16.293)
802000: (time: 04:18.341)
802167: (time: 04:20.389)
801833: (time: 04:22.437)
810000: (time: 04:24.485)
810167: (time: 04:26.533)
809833: (time: 04:28.581)
818000: (time: 04:30.633)
818167: (time: 04:32.805)
817833: (time: 04:34.853)
826000: (time: 04:36.901)
826167: (time: 04:38.949)
825833: (time: 04:40.997)
834000: (time: 04:43.045)
834167: (time: 04:45.093)
833833: (time: 04:47.141)
842000: (time: 04:49.189)
842167: (time: 04:51.237)
841833: (time: 04:53.285)
850000: (time: 04:55.333)
850167: (time: 04:57.381)
849833: (time: 04:59.433)
858000: (time: 05:01.609)
858167: (time: 05:03.725)
857833: (time: 05:05.765)
Scanning DVB-T2...
474000: (time: 05:07.813)
474167: (time: 05:09.869)
473833: (time: 05:11.993)
482000: (time: 05:14.009)
482167: (time: 05:16.021)
481833: (time: 05:18.041)
490000: skipped (already known transponder)
490167: skipped (already known transponder)
489833: skipped (already known transponder)
498000: (time: 05:20.057)
498167: (time: 05:22.069)
497833: (time: 05:24.085)
506000: (time: 05:26.101)
506167: (time: 05:28.121)
505833: (time: 05:30.137)
514000: skipped (already known transponder)
514167: skipped (already known transponder)
513833: skipped (already known transponder)
522000: (time: 05:32.153)
522167: (time: 05:34.165)
521833: (time: 05:36.181)
530000: (time: 05:38.201)
530167: (time: 05:40.213)
529833: (time: 05:42.233)
538000: (time: 05:44.245) signal ok: QAM_AUTO f = 538000 kHz I999B8C999D999T999G999Y999P0 (0:0:0)
QAM_AUTO f = 538000 kHz I999B8C999D999T999G999Y999P0 (0:0:0) : updating transport_stream_id: -> (0:0:16574)
QAM_AUTO f = 538000 kHz I999B8C999D999T999G999Y999P0 (0:0:16574) : updating network_id -> (0:12368:16574)
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
538167: skipped (already known transponder)
537833: skipped (already known transponder)
546000: skipped (already known transponder)
546167: skipped (already known transponder)
545833: skipped (already known transponder)
554000: (time: 05:51.653)
554167: (time: 05:53.829)
553833: (time: 05:55.833)
562000: (time: 05:57.845)
562167: (time: 05:59.861)
561833: (time: 06:01.877)
570000: skipped (already known transponder)
570167: skipped (already known transponder)
569833: skipped (already known transponder)
578000: (time: 06:03.893)
578167: (time: 06:05.909)
577833: (time: 06:07.925)
586000: (time: 06:09.941)
586167: (time: 06:11.957)
585833: (time: 06:13.972)
594000: skipped (already known transponder)
594167: skipped (already known transponder)
593833: skipped (already known transponder)
602000: skipped (already known transponder)
602167: skipped (already known transponder)
601833: skipped (already known transponder)
610000: (time: 06:15.988)
610167: (time: 06:18.004)
609833: (time: 06:20.020)
618000: (time: 06:22.040)
618167: (time: 06:24.052)
617833: (time: 06:26.068)
626000: (time: 06:28.084)
626167: (time: 06:30.100)
625833: (time: 06:32.116)
634000: (time: 06:34.132)
634167: (time: 06:36.148)
633833: (time: 06:38.164)
642000: (time: 06:40.180)
642167: (time: 06:42.196)
641833: (time: 06:44.212)
650000: (time: 06:46.228)
650167: (time: 06:48.244)
649833: (time: 06:50.260)
658000: (time: 06:52.276)
658167: (time: 06:54.292)
657833: (time: 06:56.308)
666000: (time: 06:58.324)
666167: (time: 07:00.340)
665833: (time: 07:02.356)
674000: (time: 07:04.372)
674167: (time: 07:06.388)
673833: (time: 07:08.404)
682000: (time: 07:10.420)
682167: (time: 07:12.436)
681833: (time: 07:14.452)
690000: (time: 07:16.468)
690167: (time: 07:18.488)
689833: (time: 07:20.504)
698000: (time: 07:22.516)
698167: (time: 07:24.536)
697833: (time: 07:26.548)
706000: (time: 07:28.568)
706167: (time: 07:30.580)
705833: (time: 07:32.600)
714000: (time: 07:34.612)
714167: (time: 07:36.628)
713833: (time: 07:38.644)
722000: (time: 07:40.660)
722167: (time: 07:42.676)
721833: (time: 07:44.692)
730000: (time: 07:46.708)
730167: (time: 07:48.724)
729833: (time: 07:50.740)
738000: (time: 07:52.756)
738167: (time: 07:54.772)
737833: (time: 07:56.788)
746000: (time: 07:58.804)
746167: (time: 08:00.820)
745833: (time: 08:02.836)
754000: skipped (already known transponder)
754167: skipped (already known transponder)
753833: skipped (already known transponder)
762000: (time: 08:04.852)
762167: (time: 08:06.868)
761833: (time: 08:08.884)
770000: (time: 08:10.904)
770167: (time: 08:12.920)
769833: (time: 08:14.932)
778000: (time: 08:16.947)
778167: (time: 08:18.963)
777833: (time: 08:20.979)
786000: (time: 08:22.999)
786167: (time: 08:25.011)
785833: (time: 08:27.027)
794000: (time: 08:29.043)
794167: (time: 08:31.059)
793833: (time: 08:33.075)
802000: (time: 08:35.091)
802167: (time: 08:37.107)
801833: (time: 08:39.123)
810000: (time: 08:41.139)
810167: (time: 08:43.155)
809833: (time: 08:45.171)
818000: (time: 08:47.187)
818167: (time: 08:49.203)
817833: (time: 08:51.219)
826000: (time: 08:53.235)
826167: (time: 08:55.251)
825833: (time: 08:57.267)
834000: (time: 08:59.283)
834167: (time: 09:01.299)
833833: (time: 09:03.319)
842000: (time: 09:05.331)
842167: (time: 09:07.347)
841833: (time: 09:09.363)
850000: (time: 09:11.379)
850167: (time: 09:13.399)
849833: (time: 09:15.411)
858000: (time: 09:17.427)
858167: (time: 09:19.443)
857833: (time: 09:21.459)
tune to: QAM_64 f = 490000 kHz I999B8C23D0T8G32Y0 (9018:12368:4222) (time: 09:23.475)
service = BBC ONE Wales ((null))
service = BBC TWO Wales ((null))
service = BBC NEWS ((null))
service = BBC Red Button ((null))
service = BBC FOUR ((null))
service = CBBC ((null))
service = CBeebies ((null))
service = BBC Parliament ((null))
service = BBC R5L ((null))
service = BBC R5SX ((null))
service = BBC 6 Music ((null))
service = BBC Radio 4 Ex ((null))
service = BBC R1X ((null))
service = BBC Asian Net. ((null))
service = BBC World Sv. ((null))
service = BBC Radio Wales ((null))
service = BBC Radio Cymru ((null))
service = BBC Radio Cymru 2 ((null))
service = BBC Radio 1 ((null))
service = BBC Radio 2 ((null))
service = BBC Radio 3 ((null))
service = BBC Radio 4 ((null))
service = BBC RB 1 ((null))
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
retrying with center_frequency = 642167000
tune to: QAM_64 f = 642167 kHz I999B8C34D0T8G32Y0 (9018:12368:24640) (time: 09:37.835)
----------no signal----------
tune to: QAM_AUTO f = 642167 kHz I999B8C999D0T999G999Y0 (9018:12368:24640) (time: 09:43.923) (no signal)
----------no signal----------
tune to: QPSK f = 602000 kHz I999B8C34D0T8G32Y0 (9018:12368:32771) (time: 09:49.999)
----------no signal----------
tune to: QAM_AUTO f = 602000 kHz I999B8C999D0T999G999Y0 (9018:12368:32771) (time: 09:56.075) (no signal)
----------no signal----------
tune to: QPSK f = 754000 kHz I999B8C34D0T8G32Y0 (9018:12368:32807) (time: 10:02.155)
----------no signal----------
tune to: QAM_AUTO f = 754000 kHz I999B8C999D0T999G999Y0 (9018:12368:32807) (time: 10:08.235) (no signal)
----------no signal----------
tune to: QPSK f = 546000 kHz I999B8C34D0T8G32Y0 (9018:12368:32814) (time: 10:14.319)
----------no signal----------
tune to: QAM_AUTO f = 546000 kHz I999B8C999D0T999G999Y0 (9018:12368:32814) (time: 10:20.398) (no signal)
----------no signal----------
tune to: QAM_AUTO f = 538000 kHz I999B999C999D0T999G999Y0P0 (9018:12368:16574) (time: 10:26.478)
----------no signal----------
tune to: QAM_AUTO f = 538000 kHz I999B999C999D0T999G999Y0P0 (9018:12368:16574) (time: 10:32.498) (no signal)
----------no signal----------
tune to: QAM_64 f = 514000 kHz I999B8C23D0T8G32Y0 (9018:12368:8205) (time: 10:38.514)
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
service = ITV Wales ((null))
service = ITV3 ((null))
service = ITV2 ((null))
service = ITV4 ((null))
service = ITV +1 ((null))
service = Channel 4 ((null))
service = Film4 ((null))
service = More 4 ((null))
service = Channel 4+1 ((null))
service = S4C ((null))
service = Film4+1 ((null))
service = Channel 5 ((null))
service = Freeview ((null))
updating transponder:
(QAM_AUTO f = 642167 kHz I999B8C999D0T999G999Y0 (9018:12368:24640)) 0x0000
to (QAM_64 f = 642167 kHz I999B8C34D0T8G32Y0 (9018:12368:24640)) 0x405A
updating transponder:
(QAM_AUTO f = 602000 kHz I999B8C999D0T999G999Y0 (9018:12368:32771)) 0x0000
to (QPSK f = 602000 kHz I999B8C34D0T8G32Y0 (9018:12368:32771)) 0x405A
updating transponder:
(QAM_AUTO f = 754000 kHz I999B8C999D0T999G999Y0 (9018:12368:32807)) 0x0000
to (QPSK f = 754000 kHz I999B8C34D0T8G32Y0 (9018:12368:32807)) 0x405A
updating transponder:
(QAM_AUTO f = 546000 kHz I999B8C999D0T999G999Y0 (9018:12368:32814)) 0x0000
to (QPSK f = 546000 kHz I999B8C34D0T8G32Y0 (9018:12368:32814)) 0x405A
tune to: QAM_64 f = 570000 kHz I999B8C34D0T8G32Y0 (9018:12368:12295) (time: 10:52.838)
service = ITV4+1 ((null))
service = ITV2 +1 ((null))
service = ITV3+1 ((null))
service = CITV ((null))
service = 5SELECT ((null))
service = Paramount Network ((null))
service = Ketchup TV ((null))
service = Drama ((null))
service = E4 ((null))
service = 5STAR ((null))
service = 5 USA ((null))
service = Channel 5+1 ((null))
service = QVC ((null))
service = Blaze ((null))
service = Blaze+1 ((null))
service = Hochanda ((null))
service = Box Nation ((null))
service = QUEST+1 ((null))
service = CBS Reality ((null))
service = Horror Channel ((null))
service = TCC ((null))
service = QUEST ((null))
service = ADULT Studio 66 ((null))
service = Absolute Radio ((null))
service = Heart ((null))
service = Capital ((null))
service = 365 Travel ((null))
service = Loveworld ((null))
service = Sonlife ((null))
service = Racing UK ((null))
service = Arqiva Test Channel ((null))
service = Planet Knowledge ((null))
service = Kiss Chat & Date ((null))
service = Proud Dating ((null))
service = 696 ((null))
service = ADULT Section ((null))
service = 695 ((null))
service = Arise News ((null))
service = VisionTV ((null))
service = Sports Channel Network ((null))
service = ADULT Party ((null))
service = ITVBe ((null))
service = ITVBe+1 ((null))
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
tune to: QAM_64 f = 594000 kHz I999B8C34D0T8G32Y0 (9018:12368:20544) (time: 11:07.846)
service = Sky News ((null))
service = Pick ((null))
service = Challenge ((null))
service = Dave ((null))
service = E4+1 ((null))
service = ADULT smileTV3 ((null))
service = talkSPORT ((null))
service = RNIB Connect ((null))
service = Classic FM ((null))
service = LBC ((null))
service = Food Network ((null))
service = TJC ((null))
service = TBN UK ((null))
service = YourTV ((null))
service = Really ((null))
service = Quest Red ((null))
service = True Entertainment ((null))
service = movies4men ((null))
service = Sony Movie Ch ((null))
service = ADULT Xpanded TV ((null))
service = Create & Craft ((null))
service = Gems TV ((null))
service = 697 ((null))
===================== parse_network_change_notify_descriptor ===========
len = 35
0x00: 07 10 43 0C 01 01 E5 39 05 01 00 11 59 00 09 00 : C 9 Y
0x10: 10 44 10 02 01 E5 39 05 01 00 11 59 00 19 00 30 : D 9 Y 0
0x20: 07 23 3A : #:
========================================================================
(time: 11:22.838) dumping lists (70 services)
..
Done, scan time: 11:22.838
root@qehs-tv:~#

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Derek Brabrook's 8 posts GB flag

Derek Brabrook
2:02 PM

Oh and as an addendum

usually when scanning for DTV if you simply put in ONE working mux it will auto discover the rest through the NIT
( Information Table (NIT) hex (0x40, 0x41))

as you can see from my previous post of the low level mux the NIT is not reporting 690Mhz anywhere

link to this comment

Derek Brabrook's 8 posts GB flag

Roger Mellie
4:27 PM

Derek Brabrook: you really are an 'all the gear no idea' person arn't you? I see you decided to go with the normal recourse of those who dont actually know what they are on about but cant bear to be wrong - spout your entire career history, walting it up a bit, plus endless dumps of pointless data.

So, first a whole mux is simply missing... and now the NIT, which goes out on EVERY mux on the whole , isnt carrying the COM6 table...

...yet only YOU and your (now increasing...) number of neighbours are affected. Im not sure you really understand how the NIT works...

If you were a broadcasting engineer, with all that experience behind you, then you yourself would be applying Occams Razor to your problem - which is that YOUR cheap system is most likely to be at fault.

Im guessing, being a time served broadcast engineer, you will have analysed the incoming signals using a professional transport stream analyser?

Im rather loath to assist someone of your arrogance, but perhaps you might like to start by bringing your incoming level down to a mid level and ensure your not overloading the system to begin with.

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Roger Mellie's 1 post GB flag

Roger Mellie
4:44 PM

I have a for the future - you will find what the fault is, but then never again visit this board and state what the problem was, as you will not bear to admit it was your kit.

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Roger Mellie's 1 post GB flag

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